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Evonik Operations Gmbh

USPTO Granted Patents = 597

CIPO Patents = 450

EPO Patents = 728

Trademarks = 379

Forward Citations = 620

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2,344 inventors (with patents filed for the assignee):

Robert Franke (45 out of 160 patents)

Wilfried Knott (29 out of 123 patents)

Horst Dudzik (27 out of 44 patents)

4. Emmanouil Spyrou (19 out of 66 patents)

5. Stephan Peitz (17 out of 40 patents)

6. Guido Stochniol (17 out of 61 patents)

7. Hans Henning Wenk (17 out of 33 patents)

8. Dirk Fridag (16 out of 91 patents)

9. Michael Fiedel (16 out of 27 patents)

10. Philippe Favresse (15 out of 21 patents)

11. Johannes Knossalla (14 out of 18 patents)

12. Steffen Krill (14 out of 58 patents)

13. Peter Kucmierczyk (13 out of 22 patents)

14. Frauke Henning (12 out of 38 patents)

15. Ralf Jackstell (12 out of 57 patents)

Core Competencies:

1,2-Propanediol

Ethylene Cyanohydrin

Unsaturated Carboxylic Anhydrides

Resorbable Polyester

Functionalized Graphene

Biosurfactants

Lithium Ion Batteries

Polymethyl Methacrylate

Nanoparticle Compositions

Urea (Meth)Acrylates

Biodegradable Bone Glue

Synbiotic Compositions

597 patents: Sort by Forward Citations

1. 12491482 - Nanocarrier manufacturing (2025-12-09),

2. 12486220 - Method for the purification of ethylene cyanohydrin (2025-12-02),

3. 12486210 - Method for the preparation of 1,2-propanediol (2025-12-02),

4. 12486209 - Method for the preparation of 1,2-propanediol (2025-12-02),

5. 12479954 - Process for preparing a resorbable polyester as a granulate or powder by bulk polymerization (2025-11-25),

6. 12479789 - Process for distillative purification of unsaturated carboxylic anhydrides (2025-11-25),

7. 12479783 - Method for the preparation of 1,2-propanediol (2025-11-25),

8. 12473654 - Use of silicon dioxide for improving the cathodic anticorrosion effect of ground coats (2025-11-18),

9. 12467874 - Qualitative or quantitative characterization of a coating surface (2025-11-11),

10. 12466906 - Defoamer composition based on organofunctionally modified polybutadienes (2025-11-11),

11. 12460081 - Curable condensation compounds based on alkoxy-functional polysiloxanes (2025-11-04),

12. 12459882 - Process for preparing 1,2-propanediol from propane (2025-11-04),

13. 12459881 - Method for the preparation of 1,2-propanediol (2025-11-04),

14. 12458150 - Shaped PU foam articles (2025-11-04),

15. 12454641 - Multifunctional wax dispersant for subterranean chemical applications (2025-10-28),

Evonik Operations GmbH is a leading specialty chemical company that offers a wide range of products and solutions for various industries. With a focus on innovation and sustainability, Evonik strives to create value for its customers and contribute to a more sustainable future. Their website provides detailed information about their diverse product portfolio, research initiatives, corporate responsibility efforts, and more.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

597 Patents

#3 in Essen

#90 in Germany

#1,591 in the World

Evonik Operations Gmbh

Forward Citations = 620

2,344 inventors:

Robert Franke (45 out of 160 patents)

Wilfried Knott (29 out of 123 patents)

Horst Dudzik (27 out of 44 patents)

4. Emmanouil Spyrou (19 out of 66 patents)

5. Stephan Peitz (17 out of 40 patents)

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