| Patent | Date |
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Method For Producing Spherical Thermoplastic Polymer Particles
App 20220250283 - Bauder; Andreas ; et al. | 2022-08-11 |
Method for continuously producing a polyamide powder
Grant 11,186,684 - Stammer , et al. November 30, 2 | 2021-11-30 |
Method For Continuously Producing A Polyamide Powder
App 20210269596 - STAMMER; Achim ; et al. | 2021-09-02 |
Energy recovery in a method for preparing 1,3,5-trioxane
Grant 11,097,202 - Stammer , et al. August 24, 2 | 2021-08-24 |
Process For Preparing Polyamide Powders By Precipitation
App 20210206919 - ULZHOFER; Angela ; et al. | 2021-07-08 |
Desalination of polyaryl ethers by means of melt extraction
Grant 10,889,689 - Gramlich , et al. January 12, 2 | 2021-01-12 |
Method For Producing Fibers, Films And Moldings Of A Polybenzazole Polymer (p)
App 20200407508 - BRILL; Marcel ; et al. | 2020-12-31 |
Process for the production of thermoplastic moulding compounds
Grant 10,843,384 - Ahn , et al. November 24, 2 | 2020-11-24 |
Energy Recovery In A Method For Preparing 1,3,5-trioxane
App 20200261823 - STAMMER; Achim ; et al. | 2020-08-20 |
Method for continuously producing polyamide oligomers and producing semicrystalline or amorphous polyamides that can be thermoplastically processed
Grant 10,676,569 - Clauss , et al. | 2020-06-09 |
Process For Making An Oxymethylene Polymer
App 20200048395 - Heitz; Thomas ; et al. | 2020-02-13 |
Process for the production of thermoplastic moulding compounds
Grant 10,525,439 - Ahn , et al. J | 2020-01-07 |
Desalination Of Polyaryl Ethers By Means Of Melt Extraction
App 20190085134 - GRAMLICH; Simon ; et al. | 2019-03-21 |
Process For The Production Of Thermoplastic Moulding Compounds
App 20180178411 - AHN; SangJun ; et al. | 2018-06-28 |
Process for the continuous preparation of an aliphatic or partially aromatic polyamide
Grant 9,994,678 - Schmidt , et al. June 12, 2 | 2018-06-12 |
Desalination of polyaryl ethers by means of melt extraction
Grant 9,975,994 - Gramlich , et al. May 22, 2 | 2018-05-22 |
Device and method for synthesis of a polymer under separation of a gaseous substance
Grant 9,957,355 - Zhu , et al. May 1, 2 | 2018-05-01 |
Process For The Production Of Thermoplastic Moulding Compounds
App 20180085732 - AHN; SangJun ; et al. | 2018-03-29 |
Device for synthesizing a polymer with reduced formation of deposits in the reaction chamber
Grant 9,914,805 - Zhu , et al. March 13, 2 | 2018-03-13 |
Desalination Of Polyaryl Ethers From A Melt Polymerization Method
App 20180009950 - GRAMLICH; Simon ; et al. | 2018-01-11 |
Desalination Of Polyaryl Ethers By Means Of Melt Extraction
App 20180009944 - GRAMLICH; SIMON ; et al. | 2018-01-11 |
Method for producing highly viscous polyamides
Grant 9,738,756 - Haffner , et al. August 22, 2 | 2017-08-22 |
Method for producing aliphatic or partially aromatic polyamides, said method comprising a solid-phase polymerization process
Grant 9,701,790 - Schmidt , et al. July 11, 2 | 2017-07-11 |
Device for the synthesis of a polymer with extraction of a gaseous substance comprising a reaction chamber having at least one circular-cylindrical section
Grant 9,631,051 - Zhu , et al. April 25, 2 | 2017-04-25 |
Production Of Polyamides By Hydrolytic Polymerization And Subsequent Treatment In A Kneader
App 20170081472 - ZHU; Ning ; et al. | 2017-03-23 |
Production of polyamides by polycondensation
Grant 9,534,083 - Stammer , et al. January 3, 2 | 2017-01-03 |
Polyolefin Copolymers as Color Enhancers in Polyamides
App 20160340509 - Schmidt; Christian ; et al. | 2016-11-24 |
Method For Producing Polyamides By Means Of A Spray Nozzle Arrangement For The Collision Of Spray Jets
App 20160325265 - ZHU; NING ; et al. | 2016-11-10 |
Process for producing polyamide that is stable during processing
Grant 9,428,613 - Grutzner , et al. August 30, 2 | 2016-08-30 |
Device For The Synthesis Of A Polmer With Extraction Of A Gaseous Substance Comprising A Reaction Chamber Having At Least One Circular-cylindrical Section
App 20160200870 - Zhu; Ning ; et al. | 2016-07-14 |
Device And Method For Synthesis Of A Polymer Under Seperation Of A Gaseous Substance
App 20160159983 - Zhu; Ning ; et al. | 2016-06-09 |
Process For The Continuous Preparation Of An Aliphatic Or Partially Aromatic Polyamide
App 20160145390 - Schmidt; Christian ; et al. | 2016-05-26 |
Method For Producing Aliphatic Or Partially Aromatic Polyamides, Said Method Comprising A Solid-phase Polymerization Process
App 20160137783 - Schmidt; Christian ; et al. | 2016-05-19 |
Method For Continuously Producing Polyamide Oligomers And Producing Semicrystalline Or Amorphous Polyamides That Can Be Thermoplastically Processed
App 20160130397 - Clauss; Joachim ; et al. | 2016-05-12 |
Device For Synthesizing A Polymer With Reduced Formation Of Deposits In The Reaction Chamber
App 20160130398 - Zhu; Ning ; et al. | 2016-05-12 |
Method For Producing Highly Viscous Polyamides
App 20160075828 - HAFFNER; Rudiger ; et al. | 2016-03-17 |
Preparation Of Polyamides By Hydrolytic Polymerization, Postpolymerization And Subsequent Extraction
App 20160009869 - BIEDASEK; Silke ; et al. | 2016-01-14 |
Process for producing aromatic polyether sulfones
Grant 9,045,598 - El-Toufaili , et al. June 2, 2 | 2015-06-02 |
Process For Producing Aromatic Polyether Sulfones
App 20150065677 - El-Toufaili; Faissal-Ali ; et al. | 2015-03-05 |
Process for producing moldings
Grant 8,957,180 - Scherzer , et al. February 17, 2 | 2015-02-17 |
Purification of polyamide particles
App 20140350213 - El-Toufaili; Faissal-Ali ; et al. | 2014-11-27 |
Process for working up particulate crude polyoxymethylene
Grant 8,859,721 - Deininger , et al. October 14, 2 | 2014-10-14 |
Preparation Of Polyamides By Hydrolytic Polymerization And Subsequent Devolatilization
App 20140256905 - Biedasek; Silke ; et al. | 2014-09-11 |
Preparation Of Polyamides By Hydrolytic Polymierization And Multiple Extraction
App 20140256887 - Kory; Gad ; et al. | 2014-09-11 |
Continuous method for multi-staged drying and subsequent condensation of a polyamide granulate
Grant 8,703,879 - Loth , et al. April 22, 2 | 2014-04-22 |
Process for Producing Polyamide that is Stable During Processing
App 20140088268 - Grutzner; Rolf-Egbert ; et al. | 2014-03-27 |
Production Of Polyamides By Polycondensation
App 20140066588 - Stammer; Achim ; et al. | 2014-03-06 |
Simplified production of nylon-6
Grant 8,629,237 - Haffner , et al. January 14, 2 | 2014-01-14 |
Trioxane production method wherein a side aqueous flow is deducted at a first distillation stage
Grant 8,530,678 - Siegert , et al. September 10, 2 | 2013-09-10 |
Simplified Production of Nylon-6
App 20130131305 - Haffner; Rudiger ; et al. | 2013-05-23 |
Process For Producing Moldings
App 20130053535 - Scherzer; Dietrich ; et al. | 2013-02-28 |
Process For Producing Moldings
App 20130052444 - Scherzer; Dietrich ; et al. | 2013-02-28 |
Process For Working Up Particulate Crude Polyoxymethylene
App 20130041126 - Deininger; Jurgen ; et al. | 2013-02-14 |
Method For The Drying And Post-condensation Of Polyamide Particles
App 20120157654 - El-Toufaili; Faissal-Ali ; et al. | 2012-06-21 |
Process For Producing Polyamide That Is Stable During Processing
App 20120065339 - Grutzner; Rolf-Egbert ; et al. | 2012-03-15 |
Method for the production of water absorbent polymer particles by polymerizing drops of a monomer solution
Grant 8,013,087 - Losch , et al. September 6, 2 | 2011-09-06 |
Continuous Method For Multi-staged Drying And Subsequent Condensation Of A Polyamide Granulate
App 20110092645 - Loth; Wolfgang ; et al. | 2011-04-21 |
Method for producing polyoxymethylenes
Grant 7,863,393 - Assmann , et al. January 4, 2 | 2011-01-04 |
Method for the production of dioxolane
Grant 7,754,900 - Siegert , et al. July 13, 2 | 2010-07-13 |
Integrated Method For Producing Trioxane From Formaldehyde
App 20100152466 - Lang; Neven ; et al. | 2010-06-17 |
Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification
Grant 7,713,387 - Siegert , et al. May 11, 2 | 2010-05-11 |
Method for the Production of Water Absorbent Polymer Particles by Polymerizing Drops of a Monomer Solution
App 20100010176 - Losch; Dennis ; et al. | 2010-01-14 |
Polysulphones And Polyether Sulphones With Reduced Yellow Index And Processes For Their Preparation
App 20090275725 - Dienes; Christian ; et al. | 2009-11-05 |
Method for removing residual monomers from polyoxymethylenes
Grant 7,598,339 - Schwittay , et al. October 6, 2 | 2009-10-06 |
Process for Producing Trioxane and at Least One Comonomer
App 20080283384 - Lang; Neven ; et al. | 2008-11-20 |
Integrated Method For the Production of Trioxane From Formaldehyde
App 20080281109 - Lang; Neven ; et al. | 2008-11-13 |
Method For the Production of Dioxolane
App 20080255376 - Siegert; Markus ; et al. | 2008-10-16 |
Method for carrying out the distillation or reactive distillation of a mixture containing at least one toxic constituent
Grant 7,431,804 - Strofer , et al. October 7, 2 | 2008-10-07 |
Process for Preparing Polyoxymethtylene Homopolymers or Copolymers
App 20080234459 - Lang; Neven ; et al. | 2008-09-25 |
Integrated Process For Preparing Trioxane From Formaldehyde
App 20080194845 - Lang; Neven ; et al. | 2008-08-14 |
Method for Producing Polyoxymethylenes
App 20080167439 - Assmann; Jens ; et al. | 2008-07-10 |
Method for the Separation by Distillation of Pure Trioxane
App 20070293688 - Siegert; Markus ; et al. | 2007-12-20 |
Trioxane Production Method Wherein A Side Aqueous Flow Is Deducted At A First Distillation Stage
App 20070293689 - Siegert; Markus ; et al. | 2007-12-20 |
Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification
App 20070272540 - Siegert; Markus ; et al. | 2007-11-29 |
Method for removing residual monomers from polyoxymethylenes
App 20070191588 - Schwittay; Claudius ; et al. | 2007-08-16 |
Method for separating trioxane from a mixture containing trioxane, formaldehyde and water
App 20070155972 - Lang; Neven ; et al. | 2007-07-05 |
Method for the separation of formaldehyde from a reaction mixture containing polyols by the addition of solvents before and/or during the distillation
Grant 6,809,224 - Dernbach , et al. October 26, 2 | 2004-10-26 |
Method for carrying out the distillation or reactive distillation of a mixture containing at least one toxic constituent
App 20040150123 - Strofer, Eckhard ; et al. | 2004-08-05 |
Method for purifying trimethylolpropane, which is produced by hydrogenation, by means of continuous distillation
Grant 6,692,616 - Dernbach , et al. February 17, 2 | 2004-02-17 |
Method for producing platinum metal catalysts
Grant 6,676,919 - Fischer , et al. January 13, 2 | 2004-01-13 |
Highly pure aqueous hydrogen peroxide solutions, method for producing same and their use
Grant 6,592,840 - Fischer , et al. July 15, 2 | 2003-07-15 |
Method for the decomposition of high boiling by-products produced in the synthesis of polyhydric alcohols
App 20030088131 - Dernbach, Matthias ; et al. | 2003-05-08 |
Color number improvement in polyhydric alcohols by hydrogenation
App 20030045760 - Dernbach, Matthias ; et al. | 2003-03-06 |
Method for oxidizing an organic compound containing at least one C-C double bond
Grant 6,518,441 - Grosch , et al. February 11, 2 | 2003-02-11 |
Method for purifying trimethylolpropane, which is produced by hydrogenation, by means of continuous distillation
App 20020189926 - Dernbach, Matthias ; et al. | 2002-12-19 |
Method For Oxidizing An Organic Compound Containing At Least On C-c Double Bond
App 20020120158 - GROSCH, GEORG HEINRICH ; et al. | 2002-08-29 |
Structured packing for heat exchange and mass transfer
Grant 6,427,985 - Kaibel , et al. August 6, 2 | 2002-08-06 |
Process for the manufacture of hydrogen peroxide
Grant 6,375,920 - Fischer , et al. April 23, 2 | 2002-04-23 |
Packing for heat-exchange and mass-transfer columns
App 20020003313 - Kaibel, Gerd ; et al. | 2002-01-10 |
Process For The Manufacture Of Hydrogen Peroxide
App 20010003578 - FISCHER, MARTIN ; et al. | 2001-06-14 |
Method for producing polyalcohols
Grant 6,187,971 - Kratz , et al. February 13, 2 | 2001-02-13 |
Process for the preparation of polyalcohols
Grant 6,018,074 - Kratz , et al. January 25, 2 | 2000-01-25 |
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