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For the Inventor, By the Inventor

Berlin, Germany

Uhde Inventa-Fischer Gmbh


USPTO Granted Patents = 31

% Expired Patents = 12.9



Trademarks = 7

Forward Citations = 48

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31 inventors (with patents filed for the assignee):

goldMedal Rainer Hagen (12 out of 28 patents)

silverMedal Eike Schulz Van Endert (8 out of 13 patents)

bronzeMedal Udo Muhlbauer (7 out of 7 patents)

4.  Udo Mühlbauer (4 out of 4 patents)

5.  Ekkehard Siebecke (4 out of 5 patents)

6.  Kurt Hanimann (4 out of 6 patents)

7.  Bernd Königsmann (3 out of 5 patents)

8.  Caspar Paetz (3 out of 3 patents)

9.  Mirko Bär (3 out of 4 patents)

10.  Johannes Katzer (3 out of 3 patents)

11.  Christopher Hess (3 out of 3 patents)

12.  Theodor Anton Bruckmann (3 out of 9 patents)

13.  Matthias Schoennagel (2 out of 3 patents)

14.  Martin Hittorff (2 out of 2 patents)

15.  Heinrich Koch (2 out of 3 patents)


Core Competencies:
Polyester
Cyclic Diesters
Polylactide
Polyamide
Catalyst
Polyester Granulates
Esterification
Transesterification
Reactor
Additive
Separation
Moulding Compounds

31 patents:

1. 11814486 - Apparatus and method for mixing recycling material into a polyester melt (2023-11-14),
2. 11447604 - Method for the separation of volatile compounds from viscous products by means of a thin-film evaporator, and polylactide resin (2022-09-20),
3. 10442824 - Method for the production of a titanium containing catalyst, titanium containing catalyst, method for the production of polyester and polyester (2019-10-15),
4. 10414917 - Process and apparatus for preparation of a crystallizable polylactic acid mixture, and polylactic acid mixture (2019-09-17),
5. 10322358 - Device and method for separating a cyclic diester from polymer melts (2019-06-18),
6. 9938375 - Reactor with vertical condensation tube and method for the polymerisation of polyamides in such a reactor (2018-04-10),
7. 9908973 - Additive for polyamide moulding compounds and use thereof (2018-03-06),
8. 9714320 - Process for preparing a high molecular weight heteroaromatic polyester or copolyester (2017-07-25),
9. 9708271 - Extraction reactor and also method for extraction from granular material (2017-07-18),
10. 9707702 - Drying-/degassing device and also device and method for the direct production of moulded articles from polyester melts (2017-07-18),
11. 9643797 - Conveying device for granulate and also method for conveying granulate (2017-05-09),
12. 9561999 - Method for the production of an aqueous solution of salts (2017-02-07),
13. 9428484 - Method for the production of cyclic diesters, in particular dilactide (2016-08-30),
14. 9416222 - Quality test for polymerizable lactic acid and method for producing same (2016-08-16),
15. 9376530 - Method for the production of aliphatic polyesters (2016-06-28),
Company Overview
Uhde Inventa-Fischer GmbH, based in Berlin, specializes in the development and manufacturing of innovative chemical process technologies. The company focuses on the design and optimization of processes for the production of high-performance polymers and specialty chemicals. With a strong emphasis on research and development, Uhde Inventa-Fischer is dedicated to advancing sustainable solutions in the chemical industry, catering to a global market while fostering technological advancements in its field.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

31 Patents

#32 in D-1000 Berlin

#1,566 in Germany

#21,284 in the World

Berlin, DE
Berlin, Germany

Uhde Inventa-Fischer Gmbh

Forward Citations = 48

31 inventors:

goldMedal Rainer Hagen (12 out of 28 patents)

silverMedal Eike Schulz Van Endert (8 out of 13 patents)

bronzeMedal Udo Muhlbauer (7 out of 7 patents)

4.  Udo Mühlbauer (4 out of 4 patents)

5.  Ekkehard Siebecke (4 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Uhde Inventa-Fischer Gmbh. Retrieved from https://idiyas.com/company/uhde-inventa-fischer

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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