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For the Inventor, By the Inventor

Essen, Germany

Evonik Operations Gmbh

Calculating rank
USPTO Granted Patents = 682

% Expired Patents = 6.9



Trademarks = 268

Forward Citations = 780

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1,416 inventors (with patents filed for the assignee):

goldMedal Robert Franke (45 out of 164 patents)

silverMedal Wilfried Knott (31 out of 125 patents)

bronzeMedal Horst Dudzik (29 out of 46 patents)

4.  Emmanouil Spyrou (19 out of 66 patents)

5.  Hans Henning Wenk (19 out of 35 patents)

6.  Stephan Peitz (17 out of 41 patents)

7.  Guido Stochniol (17 out of 62 patents)

8.  Dirk Fridag (16 out of 93 patents)

9.  Philippe Favresse (16 out of 22 patents)

10.  Michael Fiedel (16 out of 27 patents)

11.  Steffen Krill (15 out of 59 patents)

12.  Frauke Henning (14 out of 40 patents)

13.  Johannes Knossalla (14 out of 18 patents)

14.  Peter Kucmierczyk (13 out of 24 patents)

15.  Markus Hallack (13 out of 19 patents)


Core Competencies:
Polyurethane Systems
Electrochemical Oxidation
Heat Transfer Fluids
Polyamides
Phase Transfer Catalysis
Nanostructured Oxides
Silica-Based Materials
Biosurfactants
Functionalized Graphene
Coating Compositions
Polymer Electrolytes
Guanidino Acetic Acid

682 patents:

1. 12767788 - Composite resins comprising unsaturated phosphate compounds (2026-10-20),
2. 12760162 - PEI or PEI-PEEK particle foams for applications in lightweight construction (2026-10-13),
3. 12760140 - Matrix resin for production of fibre composite materials (2026-10-13),
4. 12757896 - Use of polyglycerol esters as carriers for microbiological active ingredients (2026-10-13),
5. 12753396 - Carboxylic acid esters of xylitol and process for enzymatically preparing same (2026-10-06),
6. 12753279 - Polyetheretherketones (2026-10-06),
7. 12742109 - Siloxane compound and formulations comprising said compound (2026-09-22),
8. 12740559 - Use of polyethers as carrier for active ingredients (2026-09-22),
9. 12735379 - Compositions comprising n-nonanoic acid esters of xylitan and/or sorbitan (2026-09-15),
10. 12715957 - Epoxy curing agents and uses thereof (2026-08-25),
11. 12715939 - Process for preparing hydroxy-functionalized polybutadiene (2026-08-25),
12. 12715848 - Process for the diastereomerically pure preparation of DL/LD-methionylmethionine (2026-08-25),
13. 12703850 - Photostabilized compositions and a method for stabilizing photosensitive components (2026-08-11),
14. 12698376 - Depolymerization of polyurethanes under mild conditions (2026-08-04),
15. 12697356 - BACILLUS SUBTILIS STRAIN WITH PROBIOTIC ACTIVITY (2026-08-04),
Company Overview
Evonik Operations GmbH, headquartered in Essen, Germany, is a leading global player in polymer chemistry. The company specializes in the development and production of advanced materials, including polyurethane systems, polyamides, and silica-based materials. Evonik is at the forefront of innovative technologies such as electrochemical oxidation, phase transfer catalysis, and the creation of biosurfactants. With a strong focus on sustainability and performance, Evonik serves diverse industries, enhancing product functionality and efficiency.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Evonik Operations Gmbh USPTO Patent Assignee Logo
682 Patents

#3 in Essen

#77 in Germany

#1,462 in the World

Essen, DE
Essen, Germany

Evonik Operations Gmbh

Forward Citations = 780

1,416 inventors:

goldMedal Robert Franke (45 out of 164 patents)

silverMedal Wilfried Knott (31 out of 125 patents)

bronzeMedal Horst Dudzik (29 out of 46 patents)

4.  Emmanouil Spyrou (19 out of 66 patents)

5.  Hans Henning Wenk (19 out of 35 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Evonik Operations Gmbh. Retrieved from https://idiyas.com/company/evonik-operations

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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