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Darmstadt, Germany

Evonik Roehm Gmbh

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USPTO Granted Patents = 152

% Expired Patents = 50.7

CIPO Patents = 27

Trademarks = 10

Forward Citations = 643

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346 inventors (with patents filed for the assignee):

Hans-Ulrich Petereit (17 out of 55 patents)

Joachim Knebel (17 out of 46 patents)

Steffen Krill (13 out of 59 patents)

4. Torsten Balduf (10 out of 30 patents)

5. Alexander May (10 out of 16 patents)

6. Klaus Schultes (10 out of 34 patents)

7. Hermann Siegert (10 out of 17 patents)

8. Sven Balk (9 out of 21 patents)

9. Christian Meier (8 out of 29 patents)

10. Matthias Groemping (8 out of 18 patents)

11. Rudolf Burghardt (8 out of 15 patents)

12. Norbert Windhab (8 out of 34 patents)

13. Guido Protzmann (7 out of 10 patents)

14. Gerold Schmitt (6 out of 11 patents)

15. Kay Bernhard (6 out of 12 patents)

Core Competencies:

Methacrylate

PMMA Foams

Pharmaceutical Formulations

Polymer Dispersions

Light Guide Plates

Gastric Resistant Compositions

Impact Resistance

Controlled Release

Flocculating Aids

Heat-Sealing Binders

Bio-Resorbable Polyesters

Functional Materials

152 patents: Sort by Forward Citations

1. 10584225 - Production of fine-pored PMMA foams using nucleating agents (2020-03-10),

2. 10556357 - Splitting of thick hard-foam plates (2020-02-11),

3. 10466406 - Light guide plate and method for the production thereof (2019-11-05),

4. 10457626 - Method for producing methylmethacrylate (2019-10-29),

5. 10406098 - Injection solution comprising a non-nucleoside reverse-transcriptase inhibitor and poly(lactide-co-glycolide) (2019-09-10),

6. 10385244 - Directly attaching, halogen-free, fast-drying, heat-sealing binder for sealing polyester films to polystyrene, polyester or PVC (2019-08-20),

7. 10343980 - Preparation of N,N-(di)alkylaminoalkyl(meth)acrylamide or N,N-(di)alkylaminoalkyl (meth)acrylate and the quaternary ammonium salts thereof as flocculating aids and gelling agents (2019-07-09),

8. 10343314 - Prefoaming of poly(meth)acrylimide particles for subsequent foam moulding in closed tools (2019-07-09),

9. 10322169 - Process for preparing a powder comprising a human coagulation factor protein and a lactic acid polymer (2019-06-18),

10. 10279513 - Shaping process for PMI foam materials and/or composite components produced therefrom (2019-05-07),

11. 10227284 - Method for preparing alpha-hydroxycarboxylic acid esters in which ammonia is recycled (2019-03-12),

12. 10207435 - Pressure-dependent foam moulding of poly(meth)acrylimide particles in closed moulds for producing rigid foam cores (2019-02-19),

13. 10195829 - Directly adhering, transparent heat-sealable binder for the coating and sealing of transparent plastics foils (2019-02-05),

14. 10174349 - Recombinant cell producing 2-hydroxyisobutyric acid (2019-01-08),

15. 10165988 - Personalized detection system for detecting magnetic objects in the human organism (2019-01-01),

Company Overview

Evonik Roehm GmbH, headquartered in Darmstadt, Germany, is a leader in methacrylate chemistry, specializing in the development and production of high-performance materials. The company focuses on innovative solutions in areas such as PMMA foams, pharmaceutical formulations, and polymer dispersions. Its expertise extends to creating light guide plates and gastric resistant compositions, emphasizing impact resistance and controlled release technologies. Evonik's commitment to research and development positions it at the forefront of advanced material science.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

152 Patents

#5 in Darmstadt

#397 in Germany

#5,382 in the World

Darmstadt, Germany

Evonik Roehm Gmbh

Forward Citations = 643

346 inventors:

Hans-Ulrich Petereit (17 out of 55 patents)

Joachim Knebel (17 out of 46 patents)

Steffen Krill (13 out of 59 patents)

4. Torsten Balduf (10 out of 30 patents)

5. Alexander May (10 out of 16 patents)

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

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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