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Frankfurt, Germany

Degussa - Huls Ag

USPTO Granted Patents = 148

% Expired Patents = 2.7

CIPO Patents = 3

Trademarks = 15

Forward Citations = 1,926

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378 inventors (with patents filed for the assignee):

Karlheinz Drauz (13 out of 128 patents)

Egbert Lox (12 out of 67 patents)

Klaus Huthmacher (11 out of 107 patents)

4. Thomas Kreuzer (10 out of 69 patents)

5. Thomas Haas (6 out of 97 patents)

6. Hans Joachim Hasselbach (6 out of 24 patents)

7. Helmut Mangold (6 out of 44 patents)

8. Wolfgang Strehlau (6 out of 18 patents)

9. Rudolf Vanheertum (6 out of 16 patents)

10. Steffen Krill (6 out of 25 patents)

11. Christoph Batz-Sohn (5 out of 42 patents)

12. Hermann Sahm (5 out of 43 patents)

13. Horst Weigel (5 out of 25 patents)

14. Georg Thiele (5 out of 33 patents)

15. Michael Huss (5 out of 13 patents)

Core Competencies:

Nitrogen Oxides

Catalyst

Amino Acids

Exhaust Gas

Carbon Black

Hydrogen Peroxide

Enzymatic Production

Silica

148 patents: Sort by Forward Citations

1. 6841360 - Nucleotide sequences coding for the export of branched-chain amino acids, process for the isolation thereof and use thereof (2005-01-11),

2. 6821922 - Supported catalyst for the production of vinyl acetate monomer (2004-11-23),

3. 6797509 - Nucleotide sequences which code for the tal gene (2004-09-28),

4. 6685769 - Aqueous carbon black dispersions (2004-02-03),

5. 6677264 - Catalyst for cleaning up the exhaust gases of a diesel engine (2004-01-13),

6. 6627257 - Process for coating the flow channels in a monolithic catalyst carrier with a coating dispersion (2003-09-30),

7. 6602820 - Method for producing a nitrogen oxide storage material and a storage material made with it (2003-08-05),

8. 6534439 - Catalyst for reducing nitrogen oxides in oxidizing and reducing atmospheres (2003-03-18),

9. 6516611 - Process and device for removing soot from the exhaust gas of a diesel engine (2003-02-11),

10. 6500217 - Process for applying electrode layers to a polymer electrolyte membrane strip for fuel cells (2002-12-31),

11. 6492541 - Process for the preparation of 3-amino-2-oxo-pyrrolidines, novel intermediates and their use (2002-12-10),

12. 6472571 - Process for the production of organic compounds in a membrane reactor (2002-10-29),

13. 6471932 - Process for the plasma-catalytic production of ammonia (2002-10-29),

14. 6471763 - Oxidatively aftertreated carbon black (2002-10-29),

15. 6465025 - Aqueous lysine-containing animal feed supplements and process for the production thereof (2002-10-15),

Company Overview

Degussa - Huls AG, headquartered in Frankfurt, Germany, specializes in catalyst development with a strong focus on enhancing environmental sustainability. The company is recognized for its innovative solutions in nitrogen oxides reduction, catalytic processes, and the production of essential chemicals such as amino acids and hydrogen peroxide. With expertise in exhaust gas treatment and carbon black production, Degussa is committed to advancing technologies that support cleaner industrial practices and efficient resource utilization.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

148 Patents

#19 in

#416 in Germany

#5,522 in the World

Frankfurt, Germany

Degussa - Huls Ag

Forward Citations = 1,926

378 inventors:

Karlheinz Drauz (13 out of 128 patents)

Egbert Lox (12 out of 67 patents)

Klaus Huthmacher (11 out of 107 patents)

4. Thomas Kreuzer (10 out of 69 patents)

5. Thomas Haas (6 out of 97 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Degussa - Huls Ag. Retrieved from https://idiyas.com/company/degussa-huls-ag

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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