| Patent | Date |
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Multilayer Composite Material Containing Special Polycarbonate Compositions As A Matrix Material
App 20220135754 - WEHRMANN; Rolf ; et al. | 2022-05-05 |
Multilayer Composite Material Containing Special Polycarbonate Compositions As A Matrix Material
App 20220088906 - WEHRMANN; Rolf ; et al. | 2022-03-24 |
Graphite-containing polycarbonate compositions containing a new type of flow promoter
Grant 11,279,812 - Wehrmann , et al. March 22, 2 | 2022-03-22 |
Layered manufacturing process for an object with different layer material and object with different layer material
Grant 11,267,192 - Achten , et al. March 8, 2 | 2022-03-08 |
Multilayer Composite Design Material Having Special Polycarbonate Compositions As Matrix Material
App 20220025134 - WEHRMANN; Rolf ; et al. | 2022-01-27 |
Graphite-containing Polycarbonate Compositions Containing A New Type Of Flow Promoter
App 20210332216 - WEHRMANN; Rolf ; et al. | 2021-10-28 |
Thermoplastic Compositions Having Good Stability
App 20210171767 - Seidel; Andreas ; et al. | 2021-06-10 |
Additive fabrication process with a structural material comprising an IR absorber
Grant 10,974,498 - Achten , et al. April 13, 2 | 2021-04-13 |
Polycarbonate compositions containing a carboxylic acid and their glycerol or diglycerol esters
Grant 10,934,415 - Wehrmann , et al. March 2, 2 | 2021-03-02 |
Multilayer Composite Material Containing Special Polycarbonate Compositions As A Matrix Material
App 20200331247 - HEUER; Helmut Werner ; et al. | 2020-10-22 |
Poycarbonate compositions containing isosorbide diesters
Grant 10,676,613 - Heuer , et al. | 2020-06-09 |
Polycarbonate compositions containing polyglycidyl ether
Grant 10,669,418 - Wehrmann , et al. | 2020-06-02 |
Method For Producing An Object By Means Of An Additive Manufacturing Process Using A Polycarbonate Building Material With Improv
App 20190366621 - ACHTEN; Dirk ; et al. | 2019-12-05 |
Layered Manufacturing Process For An Object With Different Layer Material And Object With Different Layer Material
App 20190344497 - Achten; Dirk ; et al. | 2019-11-14 |
Additive Fabrication Process With A Structural Material Comprising An Ir Absorber
App 20190344555 - ACHTEN; Dirk ; et al. | 2019-11-14 |
Improving the flowability of thermoconductive polycarbonate compositions
Grant 10,472,516 - Heuer , et al. Nov | 2019-11-12 |
Transparent Moulded Parts Having Reduced Thickness
App 20190276597 - DOBLER; Martin ; et al. | 2019-09-12 |
Multilayer Composite Material Containing Special Polycarbonate Compositions As A Matrix Material
App 20190255825 - WEHRMANN; Rolf ; et al. | 2019-08-22 |
Copolycarbonate compositions with cyclic and linear oligomers and improved optical properties
Grant 10,323,145 - Wehrmann , et al. | 2019-06-18 |
Polycarbonate Compositions Containing A Carboxylic Acid And Their Glycerol Or Diglycerol Esters
App 20190161576 - WEHRMANN; Rolf ; et al. | 2019-05-30 |
Polycarbonate Compositions Containing A Carboxylic Acid And Their Glycerol Or Diglycerol Esters
App 20190153199 - WEHRMANN; Rolf ; et al. | 2019-05-23 |
Copolycarbonate As A Supporting Material In 3-d Printing
App 20190143582 - HUNGERLAND; Tim ; et al. | 2019-05-16 |
Poycarbonate Compositions Containing Isosorbide Diesters
App 20190136047 - HEUER; Helmut Werner ; et al. | 2019-05-09 |
Polycarbonate compositions containing polyethylene wax
Grant 10,189,941 - Wehrmann , et al. Ja | 2019-01-29 |
Polycarbonate Compositions Containing Polyglycidyl Ether
App 20180355167 - WEHRMANN; Rolf ; et al. | 2018-12-13 |
Multi-layer film composite having a polycarbonate layer
Grant 10,131,123 - Heuer , et al. November 20, 2 | 2018-11-20 |
Flowability of polycarbonate compositions
Grant 10,119,009 - Wehrmann , et al. November 6, 2 | 2018-11-06 |
Impact-modified Polycarbonate Compositions Having Improved Flowability And A High Heat Deflection Temperature
App 20180201755 - WEHRMANN; ROLF ; et al. | 2018-07-19 |
Improving The Flowability Of Thermoconductive Polycarbonate Compositions
App 20180201780 - HEUER; Helmut Werner ; et al. | 2018-07-19 |
Boron Nitride-containing Thermoplastic Composition
App 20180194926 - SAMISCH; BIRTE ; et al. | 2018-07-12 |
Boron Nitride Hybrid Material-containing Thermoplastic Composition
App 20180194925 - SAMISCH; Birte ; et al. | 2018-07-12 |
Copolycarbonate Compositions with Cyclic and Linear Oligomers and Improved Optical Properties
App 20180179378 - Wehrmann; Rolf ; et al. | 2018-06-28 |
Copolycarbonate compositions with branch structures and linear oligomers and improved rheological properties
Grant 9,969,879 - Wehrmann , et al. May 15, 2 | 2018-05-15 |
Flowability Of Polycarbonate Compositions
App 20170362410 - WEHRMANN; Rolf ; et al. | 2017-12-21 |
Filled Polycarbonate Compositions Having Improved Flowability And Great Rigidity
App 20170362430 - HEUER; Helmut Werner ; et al. | 2017-12-21 |
Copolycarbonate Compositions With Improved Rheological And Optical Properties Containing Diglycerolesters
App 20170362431 - WEHRMANN; Rolf ; et al. | 2017-12-21 |
Copolycarbonate Compositions With Improved Processing Behaviour Containing Pe-wax
App 20170355817 - WEHRMANN; Rolf ; et al. | 2017-12-14 |
Polycarbonate Compositions Containing Polyethylene Wax
App 20170355816 - WEHRMANN; Rolf ; et al. | 2017-12-14 |
High-temperature (co)polycarbonates with improved rheological properties
Grant 9,783,673 - Wehrmann , et al. October 10, 2 | 2017-10-10 |
Copolycarbonate Compositions with Branch Structures and Cyclic Oligomers and Improved Rheological Properties
App 20170233571 - Wehrmann; Rolf ; et al. | 2017-08-17 |
Copolycarbonate Compositions with Branch Structures and Linear Oligomers and Improved Rheological Properties
App 20170226340 - Wehrmann; Rolf ; et al. | 2017-08-10 |
Copolycarbonate Compositions With Cyclic And Linear Oligomers And Improved Rheological Properties
App 20170218197 - Wehrmann; Rolf ; et al. | 2017-08-03 |
High-temperature (co)polycarbonates containing phthalimide and having improved rheological properties
Grant 9,718,951 - Wehrmann , et al. August 1, 2 | 2017-08-01 |
Polycarbonate having improved thermal and mechanical properties and reduced coefficients of thermal expansion
Grant 9,676,716 - Heuer , et al. June 13, 2 | 2017-06-13 |
Polymer composition with heat-absorbing properties
Grant 9,651,712 - Erkelenz , et al. May 16, 2 | 2017-05-16 |
Polymeric anti-static agent
Grant 9,290,590 - Heuer , et al. March 22, 2 | 2016-03-22 |
High-temperature (co)polycarbonates Containing Phthalimide And Having Improved Rheological Properties
App 20160040005 - Wehrmann; Rolf ; et al. | 2016-02-11 |
(Co)polycarbonates with improved optical properties
Grant 9,139,730 - Wehrmann , et al. September 22, 2 | 2015-09-22 |
Polycarbonate Compositions With Improved Melt Stability
App 20140357767 - Wehrmann; Rolf ; et al. | 2014-12-04 |
Polymer Composition With Heat-absorbing Properties
App 20140252282 - Erkelenz; Michael ; et al. | 2014-09-11 |
Polycarbonate compositions having improved optical properties
Grant 8,664,349 - Wehrmann , et al. March 4, 2 | 2014-03-04 |
Modified polycarbonates having improved surface properties
Grant 8,507,635 - Meyer , et al. August 13, 2 | 2013-08-13 |
Branched melt polycarbonate with low content of defective structures
Grant 8,487,025 - Konrad , et al. July 16, 2 | 2013-07-16 |
Polycarbonate compositions having improved surface hardness
Grant 8,470,934 - Heuer , et al. June 25, 2 | 2013-06-25 |
Polymeric Anti-static Agent
App 20130109809 - Heuer; Helmut Werner ; et al. | 2013-05-02 |
Polymer composition with heat-absorbing properties and high stability
Grant 8,399,547 - Meyer , et al. March 19, 2 | 2013-03-19 |
Copolycarbonates having improved surface hardness
Grant 8,329,852 - Heuer , et al. December 11, 2 | 2012-12-11 |
Uv-stable Polycarbonate Composition Having Improved Properties
App 20120232196 - Konrad; Stephan ; et al. | 2012-09-13 |
Polycarbonate Compositions With Improved Melt Stability
App 20120208936 - Wehrmann; Rolf ; et al. | 2012-08-16 |
Polycarbonate Compositions Having Improved Optical Properties
App 20120190778 - Wehrmann; Rolf ; et al. | 2012-07-26 |
Alkylphenol for adjusting the molecular weight, and polycarbonate compositions having improved properties
Grant 8,202,961 - Wehrmann , et al. June 19, 2 | 2012-06-19 |
Polycarbonate composition with improved melt-flowability
Grant 8,163,822 - Konrad , et al. April 24, 2 | 2012-04-24 |
Polycarbonates having rearrangement structures, cyclic and linear oligomers and also flow behavior
Grant 8,158,745 - Wehrmann , et al. April 17, 2 | 2012-04-17 |
Polycarbonates comprising cyclic oligomers and having an improved flow behavior
Grant 8,110,649 - Wehrmann , et al. February 7, 2 | 2012-02-07 |
(co)polycarbonates With Improved Optical Properties
App 20120022204 - Wehrmann; Rolf ; et al. | 2012-01-26 |
Copolycarbonates With Improved Properties
App 20120004375 - Heuer; Helmut Werner ; et al. | 2012-01-05 |
Multi-layer Film Composite Having A Polycarbonate Layer
App 20110293912 - Heuer; Helmut Werner ; et al. | 2011-12-01 |
Light Emitting Device, And Method For The Production Thereof
App 20110278614 - Maier-Richter; Andrea ; et al. | 2011-11-17 |
Molded Parts Having Improved Surfaces
App 20110269896 - Wehrmann; Rolf ; et al. | 2011-11-03 |
Branched Melt Polycarbonate With Low Content Of Defective Structures
App 20110251309 - Konrad; Stephan ; et al. | 2011-10-13 |
Copolycarbonates Having Improved Surface Hardiness
App 20110230626 - Heure; Helmut-Werner ; et al. | 2011-09-22 |
Alkylphenol-terminated copolycarbonates, processes for preparing the same, molding compositions containing the same, and articles prepared therefrom
Grant 7,968,671 - Heuer , et al. June 28, 2 | 2011-06-28 |
Polycarbonate Having Improved Thermal And Mechanical Properties And Reduced Coefficients Of Thermal Expansion
App 20110151262 - Heuer; Helmut-Werner ; et al. | 2011-06-23 |
Modified Polycarbonates Having Improved Surface Properties
App 20110152470 - Meyer; Alexander ; et al. | 2011-06-23 |
Polycarbonate Compositions Having Improved Surface Hardness
App 20110144284 - Heuer; Helmut-Werner ; et al. | 2011-06-16 |
Copolycarbonate Compositions Having Improved Thermal Properties And Based On Blends
App 20110144283 - Heuer; Helmut-Werner ; et al. | 2011-06-16 |
Polymer Composition With Heat-absorbing Properties And High Stability
App 20110144250 - Meyer; Alexander ; et al. | 2011-06-16 |
Polycarbonate Composition With Improved Melt-flowability
App 20110105659 - Konrad; Stephan ; et al. | 2011-05-05 |
Electroluminescent arrangements
Grant 7,923,475 - Jonas , et al. April 12, 2 | 2011-04-12 |
Polycarbonates Having Rearrangement Structures, Cyclic And Linear Oligomers And Also Flow Behavior
App 20110040066 - Wehrmann; Rolf ; et al. | 2011-02-17 |
Polycarbonates Comprising Cyclic Oligomers And Having An Improved Flow Behavior
App 20110003945 - Wehrmann; Rolf ; et al. | 2011-01-06 |
Alkylphenol For Adjusting The Molecular Weight, And Polycarbonate Compositions Having Improved Properties
App 20100317776 - Wehrmann; Rolf ; et al. | 2010-12-16 |
Polyformals as a coextrusion protective layer on polycarbonate
Grant 7,691,477 - Heuer , et al. April 6, 2 | 2010-04-06 |
Alkylphenol-terminated Copolycarbonates, Processes For Preparing The Same, Molding Compositions Containing The Same, And Articles Prepared Therefrom
App 20090286953 - Heuer; Helmut-Werner ; et al. | 2009-11-19 |
Copolycarbonates having improved flowability
Grant 7,425,358 - Heuer , et al. September 16, 2 | 2008-09-16 |
Cyclic oligoformals in polycarbonate
Grant 7,399,820 - Wehrmann , et al. July 15, 2 | 2008-07-15 |
Multifunctional 3,4-alkylenedioxythiophene derivatives and electrically conductive polymers containing them
Grant 7,358,326 - Heuer , et al. April 15, 2 | 2008-04-15 |
Branched polycarbonates
Grant 7,345,133 - Heuer , et al. March 18, 2 | 2008-03-18 |
Thermoplastic molding compositions having reduced water absorption
Grant 7,332,560 - Heuer , et al. February 19, 2 | 2008-02-19 |
Aromatic formals as additives for lowering the water uptake of polycarbonates
Grant 7,314,897 - Heuer , et al. January 1, 2 | 2008-01-01 |
Branched polyformals and copolyformals their preparation and use
Grant 7,208,564 - Heuer , et al. April 24, 2 | 2007-04-24 |
Polyformals and copolyformals with reduced water absorption, production and use thereof
Grant 7,199,208 - Heuer , et al. April 3, 2 | 2007-04-03 |
3,4-dioxythiophene derivatives
Grant 7,183,419 - Heuer , et al. February 27, 2 | 2007-02-27 |
Polyformals as a coextrusion protective layer on polycarbonate
App 20060251900 - Heuer; Helmut-Werner ; et al. | 2006-11-09 |
Aromatic dihydroxy compound useful for the preparation of (CO)polycarbonates
Grant 7,132,497 - Heuer , et al. November 7, 2 | 2006-11-07 |
Thermoplastic molding compositions having reduced water absorption
App 20060100389 - Heuer; Helmut-Werner ; et al. | 2006-05-11 |
Phosphorescent and luminescent conjugated polymers and their use in electroluminescent assemblies
App 20060093852 - Marsitzky; Dirk ; et al. | 2006-05-04 |
Branched polycarbonates
App 20060094855 - Heuer; Helmut-Werner ; et al. | 2006-05-04 |
Cyclic polycarbonates and copolycarbonates,production and use thereof
App 20060089483 - Wehrmann; Rolf ; et al. | 2006-04-27 |
Cyclic oligoformals in polycarbonate
App 20060025559 - Wehrmann; Rolf ; et al. | 2006-02-02 |
Copolycarbonates having improved flowability
App 20050250915 - Heuer, Helmut-Werner ; et al. | 2005-11-10 |
Multilayered arrangement for electro-optical device
Grant 6,940,626 - Wehrmann , et al. September 6, 2 | 2005-09-06 |
Polycarbonates, polyester carbonates and polyesters having lateral, cycloalkyl-substituted phenols
Grant 6,916,899 - Bruder , et al. July 12, 2 | 2005-07-12 |
3,4-dioxythiophene derivatives
App 20050137407 - Heuer, Helmut-Werner ; et al. | 2005-06-23 |
Multifunctional 3,4-alkylenedioxythiophene derivatives and electrically conductive polymers containing them
App 20050131204 - Heuer, Helmut-Werner ; et al. | 2005-06-16 |
Aromatic formals as additives for lowering the water uptake of polycarbonates
App 20050090593 - Heuer, Helmut-Werner ; et al. | 2005-04-28 |
Electrophosphorescent arrangement comprising conductive polymers
Grant 6,869,697 - Heuer , et al. March 22, 2 | 2005-03-22 |
Novel aromatic dihydroxy compound useful for the preparation of (CO)polycarbonates
App 20050054808 - Heuer, Helmut-Werner ; et al. | 2005-03-10 |
Branched polyformals and copolyformals their preparation and use
App 20050049389 - Heuer, Helmut-Werner ; et al. | 2005-03-03 |
Polyformals as a coextrusion protective layer on polycarbonate
App 20050031855 - Heuer, Helmut-Werner ; et al. | 2005-02-10 |
Polyformals and copolyformals with reduced water absorption, production and use thereof
App 20050020802 - Heuer, Helmut-Werner ; et al. | 2005-01-27 |
Polycarbonates, polyester carbonates and polyesters with special branched terminal groups
Grant 6,825,312 - Meyer , et al. November 30, 2 | 2004-11-30 |
3-4-Alkylenedioxythiophene diols, their preparation and use in capacitors
App 20040235990 - Heuer, Helmut-Werner ; et al. | 2004-11-25 |
Highly branched (co)polycarbonates having improved flowability
App 20040220374 - Heuer, Helmut-Werner ; et al. | 2004-11-04 |
Polycarbonates, polyester carbonates and polyesters having branched terminal groups
Grant 6,784,278 - Heuer , et al. August 31, 2 | 2004-08-31 |
Polycarbonates, polyester carbonates and polyesters having lateral, cycloalkyl-substituted phenols
App 20040158025 - Bruder, Friedrich-Karl ; et al. | 2004-08-12 |
Polycarbonates, polyester carbonates and polyesters having lateral, cycloalkyl-substituted phenols
App 20040127677 - Bruder, Friedrich-Karl ; et al. | 2004-07-01 |
Production of polyester carbonates
Grant 6,734,278 - Kratschmer , et al. May 11, 2 | 2004-05-11 |
Polyester polycarbonates of particular diphenols
Grant 6,696,543 - Wehrmann , et al. February 24, 2 | 2004-02-24 |
Polynuclear metal complexes as phosphorescence emitters in electroluminescent layer arrangements
App 20040026663 - Heuer, Helmut-Werner ; et al. | 2004-02-12 |
Polycarbonates, polyester carbonates and polyesters with special branched terminal groups
App 20040030090 - Meyer, Alexander ; et al. | 2004-02-12 |
Use of copolycarbonates
Grant 6,646,101 - Kratschmer , et al. November 11, 2 | 2003-11-11 |
Production of polyester carbonates
App 20030139564 - Kratschmer, Silke ; et al. | 2003-07-24 |
Polyester polycarbonates of particular diphenols
App 20030120024 - Wehrmann, Rolf ; et al. | 2003-06-26 |
Electrophosphorescent arrangement comprising conductive polymers
App 20030108769 - Heuer, Helmut-Werner ; et al. | 2003-06-12 |
Plastic substrate for solid-state laser
Grant 6,577,657 - Elschner , et al. June 10, 2 | 2003-06-10 |
Polyester carbonate and a data carrier therefrom
App 20030104234 - Bruder, Friedrich-Karl ; et al. | 2003-06-05 |
Polycarbonates, polyester carbonates and polyesters having branched terminal groups
App 20030096941 - Heuer, Helmut-Werner ; et al. | 2003-05-22 |
Use of copolycarbonates
App 20030092873 - Kratschmer, Silke ; et al. | 2003-05-15 |
Electroluminescent arrangements using blend systems
Grant 6,541,128 - Wehrmann , et al. April 1, 2 | 2003-04-01 |
Electro-luminescent arrangements with thiophene carboxylate metal complexes
Grant 6,503,643 - Heuer , et al. January 7, 2 | 2003-01-07 |
Multilayered arrangement for electro-optical device
App 20020159127 - Wehrmann, Rolf ; et al. | 2002-10-31 |
Electroluminescent arrangements
App 20020136923 - Jonas, Friedrich ; et al. | 2002-09-26 |
Electroluminescent Arrangements Using Blend Systems
App 20020136921 - WEHRMANN, ROLF ; et al. | 2002-09-26 |
Electro chromic assembly based on poly (3,4-ethylenedioxythiophene derivatives in the electrochromic layer and the ion-storage layer
Grant 6,452,711 - Heuer , et al. September 17, 2 | 2002-09-17 |
Use of copolycarbonates
App 20020120092 - Kratschmer, Silke ; et al. | 2002-08-29 |
Electroluminescent Assemblies Using Blend Systems
App 20020110701 - WEHRMANN, ROLF ; et al. | 2002-08-15 |
Electroluminescent arrangement using doped blend systems
App 20020090532 - Heuer, Helmut-Werner ; et al. | 2002-07-11 |
Auxiliary layers for electroluminescent assemblies
Grant 6,391,481 - Jonas , et al. May 21, 2 | 2002-05-21 |
Electroluminescent arrangements
Grant 6,376,105 - Jonas , et al. April 23, 2 | 2002-04-23 |
09283192electroluminescent Devices Using Blend Systems
App 20020045060 - WEHRMANN, ROLF ; et al. | 2002-04-18 |
Electron-conducting layer in organic electroluminescent arrangements
Grant 6,352,791 - Fink , et al. March 5, 2 | 2002-03-05 |
Electroluminescent Assemblies Using Boron Chelates Of 8-aminoquinoline Derivatives
App 20020006528 - HEUER, HELMUT-WERNER ; et al. | 2002-01-17 |
(Co)polymers based on vinyl units and use thereof in electroluminescent devices
App 20010026879 - Chen, Yun ; et al. | 2001-10-04 |
Electroluminescent assemblies containing boron chelates
Grant 6,287,713 - Heuer , et al. September 11, 2 | 2001-09-11 |
EL assembly based on tertiary amines, Alq3 derivatives or mixtures soluble in alcohol and polymeric binders
Grant 6,277,504 - Koch , et al. August 21, 2 | 2001-08-21 |
Copolymers based on vinyl units and use thereof in electroluminescent devices
Grant 6,248,457 - Chen , et al. June 19, 2 | 2001-06-19 |
Electrochromic device based on poly-(3,4-dioxy-thiopene) derivatives
Grant 6,175,441 - Heuer , et al. January 16, 2 | 2001-01-16 |
Electrochromic assembly based on poly(3,4-ethylenedioxythiophene) derivatives and a UV-stabilized gel electrolyte
Grant 6,157,479 - Heuer , et al. December 5, 2 | 2000-12-05 |
Conductive coatings
Grant 6,083,635 - Jonas , et al. July 4, 2 | 2000-07-04 |
Intermediate layer in electroluminescent arrangements containing finely divided inorganic particles
Grant 5,917,279 - Elschner , et al. June 29, 1 | 1999-06-29 |
(Co)polymers based on vinyl units and use thereof in electroluminescent devices
Grant 5,891,975 - Chen , et al. April 6, 1 | 1999-04-06 |
Conductive coatings
Grant 5,766,515 - Jonas , et al. June 16, 1 | 1998-06-16 |
Coumarin derivatives, a method of preparing them and their use as intermediates
Grant 5,650,456 - Yun , et al. July 22, 1 | 1997-07-22 |
Poly(arylether)/liquid crystalline polyester block copolymers and a process for their production
Grant 5,618,889 - Kumpf , et al. April 8, 1 | 1997-04-08 |
Dye-donor element for use according to thermal dye sublimation transfer
Grant 5,308,736 - Defieuw , et al. May 3, 1 | 1994-05-03 |
Optical biosensor and method of use
Grant 5,194,393 - Hugl , et al. March 16, 1 | 1993-03-16 |
Echo Compensation Circuit To Erase Echoes In Telephone Circuits
Grant 3,860,768 - Wehrmann January 14, 1 | 1975-01-14 |
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