| Patent | Date |
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Method for the separation of volatile compounds from viscous products by means of a thin-film evaporator, and polylactide resin
Grant 11,447,604 - Muhlbauer , et al. September 20, 2 | 2022-09-20 |
Apparatus And Method For Mixing Recycling Material Into A Polyester Melt
App 20200399437 - PAWELSKI; Alexander ; et al. | 2020-12-24 |
Process and device for producing polyamides, with optimized flow guidance
Grant 10,584,204 - Konigsmann | 2020-03-10 |
Method For The Separation Of Volatile Compounds From Viscous Products By Means Of A Thin-film Evaporator, And Polylactide Resin
App 20190352457 - MUHLBAUER; Udo ; et al. | 2019-11-21 |
Method for the production of a titanium containing catalyst, titanium containing catalyst, method for the production of polyester and polyester
Grant 10,442,824 - Schoennagel , et al. Oc | 2019-10-15 |
Process and apparatus for preparation of a crystallizable polylactic acid mixture, and polylactic acid mixture
Grant 10,414,917 - Hagen , et al. Sept | 2019-09-17 |
Device and method for separating a cyclic diester from polymer melts
Grant 10,322,358 - Hagen , et al. | 2019-06-18 |
Method For Crystallization And Separation Of Low-molecular Components From A Granulate Of A Crystallizable Thermoplastic Material And Device Therefor
App 20180118882 - HAGEN; Rainer ; et al. | 2018-05-03 |
Polymerisation device and method for the production of thermoplastic polymers
Grant 9,943,824 - Siebecke , et al. April 17, 2 | 2018-04-17 |
Reactor with vertical condensation tube and method for the polymerisation of polyamides in such a reactor
Grant 9,938,375 - Siebecke , et al. April 10, 2 | 2018-04-10 |
Additive for polyamide moulding compounds and use thereof
Grant 9,908,973 - Katzer March 6, 2 | 2018-03-06 |
Method And Device For Producing Polyamides, With Optimized Flow Management
App 20180022870 - KONIGSMANN; Bernd | 2018-01-25 |
Process For Preparing A High Molecular Weight Heteroaromatic Polyester Or Copolyester
App 20170218118 - Hess; Christopher ; et al. | 2017-08-03 |
Process for preparing a high molecular weight heteroaromatic polyester or copolyester
Grant 9,714,320 - Hess , et al. July 25, 2 | 2017-07-25 |
Extraction reactor and also method for extraction from granular material
Grant 9,708,271 - Siebecke , et al. July 18, 2 | 2017-07-18 |
Drying-/degassing device and also device and method for the direct production of moulded articles from polyester melts
Grant 9,707,702 - Hittorff , et al. July 18, 2 | 2017-07-18 |
Conveying device for granulate and also method for conveying granulate
Grant 9,643,797 - Siebecke , et al. May 9, 2 | 2017-05-09 |
Method for the production of an aqueous solution of salts
Grant 9,561,999 - Siebecke , et al. February 7, 2 | 2017-02-07 |
Process And Apparatus For Preparation Of A Crystallizable Polylactic Acid Mixture, And Polylactic Acid Mixture
App 20160280908 - HAGEN; Rainer ; et al. | 2016-09-29 |
Method for the production of cyclic diesters, in particular dilactide
Grant 9,428,484 - Paetz , et al. August 30, 2 | 2016-08-30 |
Quality test for polymerizable lactic acid and method for producing same
Grant 9,416,222 - Schulze , et al. August 16, 2 | 2016-08-16 |
Method for the production of aliphatic polyesters
Grant 9,376,530 - Hess , et al. June 28, 2 | 2016-06-28 |
Method for the production of polyester granulates from highly viscous polyester melts and also device for the production of the polyester granulates
Grant 9,346,191 - Hanimann , et al. May 24, 2 | 2016-05-24 |
Method For The Production Of A Titanium Containing Catalyst, Titanium Containing Catalyst, Method For The Production Of Polyester And Polyester
App 20160108068 - SCHOENNAGEL; Matthias ; et al. | 2016-04-21 |
Method For Separating Volatile Substances From Material Mixtures And Device For Producing Polyarylene Sulfides
App 20160096929 - SCHAFERSKUPPER; Clifford ; et al. | 2016-04-07 |
Reactor Having A Vertical Condensation Tube And Method For The Polymerization Of Polyamides In Such A Reactor
App 20160032050 - SIEBECKE; Ekkehard ; et al. | 2016-02-04 |
Method for the Production of Polyester Granulates From Highly Viscous Polyester Melts and Also Device for the Production of the Polyester Granulates
App 20160023377 - Hanimann; Kurt ; et al. | 2016-01-28 |
Polymerisation Device And Method For The Production Of Thermoplastic Polymers
App 20160001254 - SIEBECKE; Ekkehard ; et al. | 2016-01-07 |
Additive For Polyamide Moulding Compounds And Use Thereof
App 20150329671 - KATZER; Johannes | 2015-11-19 |
Device And Method For Separating A Cyclic Diester From Polymer Melts
App 20150329516 - HAGEN; Rainer ; et al. | 2015-11-19 |
Conveying Device For Granulate And Also Method For Conveying Granulate
App 20150314969 - SIEBECKE; Ekkehard ; et al. | 2015-11-05 |
Method For The Production Of A High-molecular Polyester Or Copolyester And Also Of A Polymer Blend Comprising These
App 20150291733 - Hess; Christopher ; et al. | 2015-10-15 |
Method For The Production Of Cyclic Diesters, In Particular Dilactide
App 20150266849 - Paetz; Caspar ; et al. | 2015-09-24 |
Method For Separating Volatile Substances From Material Mixtures And Device For Producing Polyarylene Sulphides
App 20150126705 - Schaferskupper; Clifford ; et al. | 2015-05-07 |
Method For The Production Of Aliphatic Polyesters
App 20150065678 - Hess; Christopher ; et al. | 2015-03-05 |
Method for the production of a mixture of lactide derivatives
Grant 8,957,229 - Hagen , et al. February 17, 2 | 2015-02-17 |
Cleaning device for separating dilactide from mixtures, polymerisation device, method for separating dilactide from mixtures and use thereof
Grant 8,940,910 - Hagen , et al. January 27, 2 | 2015-01-27 |
Drying-/degassing Device And Also Device And Method For The Direct Production Of Moulded Articles From Polyester Melts
App 20140353871 - Hittorff; Martin ; et al. | 2014-12-04 |
Process For Preparing A High Molecular Weight Heteroaromatic Polyester Or Coplyester
App 20140357808 - Hess; Christopher ; et al. | 2014-12-04 |
Method for increasing the molecular weight of a polyester granulate by using its residual heat
Grant 8,877,107 - Hanimann , et al. November 4, 2 | 2014-11-04 |
Method And Apparatus For Recovering Lactide From Polylactide Or Glycolide From Polyglycolide
App 20140316097 - Hagen; Rainer | 2014-10-23 |
Method For The Production Of An Aqueous Solution Of Salts
App 20140249330 - Siebecke; Ekkehard ; et al. | 2014-09-04 |
Method And Device For Direct, Continuous Modification Of Polymer Melts
App 20140243473 - Siebecke; Ekkehard ; et al. | 2014-08-28 |
Method Of Removing Absorbates From Gases Or Gas Mixtures Containing Absorbate Utilizing Miscibility Gaps
App 20140224119 - Kujath; Steffen | 2014-08-14 |
Extraction Reactor And Also Method For Extraction From Granular Material
App 20140135491 - Siebecke; Ekkehard ; et al. | 2014-05-15 |
Condensation and washing device, polymerisation device and method for cleaning process steam during the production of polylactide
Grant 8,702,852 - Hagen , et al. April 22, 2 | 2014-04-22 |
Cleaning Device For Separating Dilactide From Mixtures, Polymerisation Device, Method For Separating Dilactide From Mixtures And Use Thereof
App 20140011975 - Hagen; Rainer ; et al. | 2014-01-09 |
Cleaning device for separating dilactide from mixtures, polymerisation device, method for separating dilactide from mixtures and use thereof
Grant 8,569,517 - Hagen , et al. October 29, 2 | 2013-10-29 |
Method for the production of polyester granulates from highly viscous polyester melts and also device for the production of the polyester granulates
Grant 8,556,610 - Hanimann , et al. October 15, 2 | 2013-10-15 |
Condensation And Washing Device, Polymerisation Device And Method For Cleaning Process Steam During The Production Of Polylactide
App 20130236366 - Hagen; Rainer ; et al. | 2013-09-12 |
Condensation and washing device, polymerisation device and method for cleaning process steam during the production of polylactide
Grant 8,430,948 - Hagen , et al. April 30, 2 | 2013-04-30 |
Polymerisation reactor, polymerisation device, method for producing bio-degradeable polyester and uses
Grant 8,399,602 - Hagen , et al. March 19, 2 | 2013-03-19 |
Method for storing and transporting cyclic diesters
Grant 8,362,282 - Hagen , et al. January 29, 2 | 2013-01-29 |
Catalyst mixture and method for the production of polyesters with high viscosity
Grant 8,362,189 - Schoennagel January 29, 2 | 2013-01-29 |
Process for continuous preparation of high molecular weight polyesters by esterification of dicarboxylic acids and/or transesterification of dicarboxylic acids with diols and/or mixtures thereof and an apparatus therefor
Grant 8,252,888 - Van Endert August 28, 2 | 2012-08-28 |
Catalyst mixture and method for the production of polyesters with high viscosity
App 20120088898 - Schoennagel; Matthias | 2012-04-12 |
Method For Increasing The Molecular Weight Of A Polyester Granulate By Using Its Residual Heat
App 20120077951 - Hanimann; Kurt ; et al. | 2012-03-29 |
Process for continuous preparation of high molecular weight polyesters by esterification of dicarboxylic acids and/or transesterification of dicarboxylic acids with diols and/or mixtures thereof and an apparatus therefor
Grant 8,110,149 - Schulz Van Endert February 7, 2 | 2012-02-07 |
Method For Storing And Transporting Cyclic Diesters
App 20110288312 - Hagen; Rainer ; et al. | 2011-11-24 |
Method for the production of polyester granulates from highly viscous polyester melts and also device for the production of the polyester granulates
Grant 7,993,557 - Hanimann , et al. August 9, 2 | 2011-08-09 |
End reactor
Grant 7,964,152 - Schulz Van Endert June 21, 2 | 2011-06-21 |
Condensation And Washing Device, Polymerisation Device And Method For Cleaning Process Steam During The Production Of The Polylactide
App 20100252076 - Hagen; Rainer ; et al. | 2010-10-07 |
Cleaning Device For Separating Dilactide From Mixtures, Polymerisation Device, Method For Separating Dilactide From Mixtures And Use Thereof
App 20100249364 - Hagen; Rainer ; et al. | 2010-09-30 |
Method for continuous production of high-molecular weight polyesters and device for implementation of the method
Grant 7,259,227 - Schulz Van Endert , et al. August 21, 2 | 2007-08-21 |
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