LIESENFELDER; Ulrich

Patent Applications and Registrations

Patent applications and USPTO patent grants for LIESENFELDER; Ulrich.The latest application filed is for "siloxane-containing block copolycarbonates having a small domain size".

Company Profile

4.32.27

LIESENFELDER; Ulrich - Bergisch Gladbach DE
Liesenfelder; Ulrich - K oln DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Siloxane-containing Block Copolycarbonates Having A Small Domain Size App 20220195123 - MEYER; Alexander ; et al.	2022-06-23
Method For Recovering Diisocyanates From Distillation Residues App 20210024459 - Morawski; Joerg ; et al.	2021-01-28
Process for extruding plastic compositions Grant 10,836,076 - Bierdel , et al. November 17, 2	2020-11-17
Flame-retardant, glass fiber-containing molding compounds containing siloxane-containing polycarbonate block co-condensate Grant 10,717,871 - Meyer , et al.	2020-07-21
Flame-retardant molding compounds containing siloxane-containing polycarbonate block co-condensate Grant 10,487,208 - Meyer , et al. Nov	2019-11-26
Process For Extruding Plastic Compositions App 20190061200 - Bierdel; Michael ; et al.	2019-02-28
Production arrangement for performing a chemical reaction and use of a standard transport container Grant 10,035,123 - Frye , et al. July 31, 2	2018-07-31
Polysiloxane-polycarbonate block cocondensates with improved rheological properties Grant 10,035,884 - Meyer , et al. July 31, 2	2018-07-31
Screw elements with improved dispersing action and low energy input Grant 10,029,393 - Bierdel , et al. July 24, 2	2018-07-24
Processing unit and use of a plurality of processing units Grant 9,975,104 - Frye , et al. May 22, 2	2018-05-22
Method for extruding plastic materials Grant 9,944,008 - Koenig , et al. April 17, 2	2018-04-17
Screw elements for extruding plastic compositions Grant 9,868,245 - Bierdel , et al. January 16, 2	2018-01-16
Flame-retardant Molding Compounds Containing Siloxane-containing Polycarbonate Block Co-condensate App 20180009986 - MEYER; Alexander ; et al.	2018-01-11
Flame-retardant, Glass Fiber-containing Molding Compounds Containing Siloxane-containing Polycarbonate Block Co-condensate App 20170369707 - MEYER; Alexander ; et al.	2017-12-28
Preparation of siloxane-containing block copolycarbonates by means of reactive extrusion Grant 9,828,462 - Meyer , et al. November 28, 2	2017-11-28
Screw elements with reduced energy input during the build-up of pressure Grant 9,808,978 - Bierdel , et al. November 7, 2	2017-11-07
Screw Elements with Improved Dispersing Action and Low Energy Input App 20170252948 - Bierdel; Michael ; et al.	2017-09-07
Method for extruding plastic masses Grant 9,738,025 - Konig , et al. August 22, 2	2017-08-22
Screw elements with improved dispersing action and low energy input Grant 9,688,002 - Bierdel , et al. June 27, 2	2017-06-27
Polysiloxane-polycarbonate Block Cocondensates With Improved Rheological Properties App 20170009021 - MEYER; Alexander ; et al.	2017-01-12
Preparation Of Siloxane-containing Block Copolycarbonates By Means Of Reactive Extrusion App 20160244559 - Meyer; Alexander ; et al.	2016-08-25
Production Arrangement For Performing A Chemical Reaction And Use Of A Standard Transport Container App 20150343408 - FRYE; Lars ; et al.	2015-12-03
Processing Unit And Use Of A Plurality Of Processing Units App 20150298094 - FRYE; Lars ; et al.	2015-10-22
Screw elements with reduced sweep angle Grant 8,979,355 - Bierdel , et al. March 17, 2	2015-03-17
Method for constructing co-rotating contiguous bodies and computer program product for carrying out said method and screw elements produced accordingly Grant 8,915,642 - Bierdel , et al. December 23, 2	2014-12-23
Method for constructing co-rotating, contiguous bodies and computer program product for carrying out said method Grant 8,876,360 - Bierdel , et al. November 4, 2	2014-11-04
Screw feed elements for extrusion of viscoelastic masses Grant 8,753,003 - Kirchhoff , et al. June 17, 2	2014-06-17
Process and apparatus for the preparation of polycarbonate Grant 8,394,912 - Doebert , et al. March 12, 2	2013-03-12
Screw Feed Elements For Extruding Viscoelastic Masses App 20130033956 - Kirchhoff; Jorg ; et al.	2013-02-07
Process For Continuously Producing Thermoplastically Processable Polyurethanes App 20120116030 - HEPPERLE; Jens ; et al.	2012-05-10
Method For Extruding Plastic Materials App 20110233818 - Koenig; Thomas ; et al.	2011-09-29
Screw Elements With Reduced Energy Input During the Build-Up of Pressure App 20110180949 - Bierdel; Michael ; et al.	2011-07-28
Process And Apparatus For The Preparation Of Polycarbonate App 20110184144 - Doebert; Frank ; et al.	2011-07-28
Method For The Extrusion Of Plastic Materials App 20110184089 - Bierdel; Michael ; et al.	2011-07-28
Method For Extruding Plastic Masses App 20110160381 - Konig; Thomas ; et al.	2011-06-30
Screw Elements with Improved Dispersing Action and Low Energy Input App 20110158039 - Bierdel; Michael ; et al.	2011-06-30
Screw Elements With Reduced Sweep Angle App 20110141843 - Bierdel; Michael ; et al.	2011-06-16
Process For Continuously Producing Thermoplastically Processable Polyurethanes App 20110124773 - HEPPERLE; Jens ; et al.	2011-05-26
Method for Constructing Co-Rotating Contiguous Bodies and Computer Program Product for Carrying Out Said Method and Screw Elements Produced Accordingly App 20110110183 - Bierdel; Michael ; et al.	2011-05-12
Screw Elements for Extruding Plastic Compositions App 20110096617 - Bierdel; Michael ; et al.	2011-04-28
Method For Constructing Co-rotating, Contiguous Bodies And Computer Program Product For Carrying Out Said Method App 20110075511 - Bierdel; Michael ; et al.	2011-03-31
Process and device for the production of elastomer-modified thermoplastics Grant 7,368,061 - Eitel , et al. May 6, 2	2008-05-06
Process for separating volatile components from polymers Grant 7,144,981 - Konig , et al. December 5, 2	2006-12-05
Process and device for the production of elastomer-modified thermoplastics App 20050014897 - Eitel, Alfred ; et al.	2005-01-20
Process for separating volatile components from polymers App 20040255780 - Konig, Thomas ; et al.	2004-12-23
Method and device for removing volatile components from polymer materials App 20030176636 - Liesenfelder, Ulrich ; et al.	2003-09-18
Process for the continuous preparation of melt processable polyurethanes with improved softening behaviour Grant 6,355,762 - Kaufhold , et al. March 12, 2	2002-03-12
Process for preparing polysuccinimide and polyaspartic acid Grant 5,610,255 - Groth , et al. March 11, 1	1997-03-11

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