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For the Inventor, By the Inventor

Schörfling am Attersee, Austria

Evonik Fibres Gmbh


USPTO Granted Patents = 14



Trademarks = 1

Forward Citations = 107

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15 inventors (with patents filed for the assignee):

goldMedal Markus Ungerank (9 out of 10 patents)

silverMedal Harald Roegl (4 out of 4 patents)

bronzeMedal Tymen Visser (3 out of 3 patents)

4.  Harald Rögl (3 out of 5 patents)

5.  Steven Kristian Pedersen (2 out of 53 patents)

6.  Goetz Baumgarten (2 out of 11 patents)

7.  Markus Priske (2 out of 13 patents)

8.  Frank Wiese (1 out of 8 patents)

9.  Jörg Balster (1 out of 1 patent)

10.  Christoph Führer (1 out of 1 patent)

11.  Christian Maurer (1 out of 1 patent)

12.  Dieter Danzer (1 out of 1 patent)

13.  Juergen Eder (1 out of 1 patent)

14.  Joerg Balster (1 out of 1 patent)

15.  Ingrid Winette Velthoen (1 out of 1 patent)


14 patents:

1. 11724978 - Method for oxidizing a 1,1,-bis-(3,4-dimethylphenyl)-alkane to 3,3',4,4′-benzophenone tetracarboxylic acid (2023-08-15),
2. 11547970 - Membrane bundle layout having spacers (2023-01-10),
3. 10933378 - Hollow fibre membrane cartridge and module for the separation of fluids (2021-03-02),
4. 10471380 - Process for separation of gases with reduced maintenance costs (2019-11-12),
5. 10456750 - Membrane cartridge system (2019-10-29),
6. 10118136 - Polyimide membranes made of polymerization solutions (2018-11-06),
7. 10040036 - Highly-selective polyimide membranes with increased permeance, said membranes consisting of block copolyimides (2018-08-07),
8. 9873093 - Method for producing polyimide membranes (2018-01-23),
9. 9770687 - Control of gas composition of a gas separation system having membranes (2017-09-26),
10. 9469048 - Polyimide powder having high thermooxidative stability (2016-10-18),
11. 9314735 - Method for separating gases (2016-04-19),
12. 8999038 - Process for separation of gases (2015-04-07),
13. 7812099 - Process for preparing a block copolymer from polyimides and use of the block copolymer for producing powders and mouldings (2010-10-12),
14. 7687668 - Process for preparing 4,4' difluorobenzophenone (2010-03-30),
Evonik Fibres GmbH is a leading manufacturer of high-performance fibers for the textile industry. With a focus on innovation, sustainability, and customer satisfaction, the company offers a wide range of specialty fibers that are used in various applications including apparel, automotive, and industrial sectors. Evonik Fibres GmbH is committed to delivering exceptional quality products and contributing to the development of sustainable textile solutions.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

14 Patents

#1 in Schörfling am Attersee

#227 in Austria

#40,936 in the World

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Schörfling am Attersee, Austria

Evonik Fibres Gmbh

Forward Citations = 107

15 inventors:

goldMedal Markus Ungerank (9 out of 10 patents)

silverMedal Harald Roegl (4 out of 4 patents)

bronzeMedal Tymen Visser (3 out of 3 patents)

4.  Harald Rögl (3 out of 5 patents)

5.  Steven Kristian Pedersen (2 out of 53 patents)

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