logo

For the Inventor, By the Inventor

Darmstadt, Germany

Evonik Oil Additives Gmbh


USPTO Granted Patents = 15

% Expired Patents = 20.0



Trademarks = 7

Forward Citations = 13

Loading Chart...
Loading Chart...

45 inventors (with patents filed for the assignee):

goldMedal Torsten Stoehr (5 out of 11 patents)

silverMedal Boris Eisenberg (4 out of 18 patents)

bronzeMedal Klaus Schimossek (3 out of 11 patents)

4.  Rhishikesh Gokhale (3 out of 4 patents)

5.  Miriam Kathrin Stihulka (3 out of 4 patents)

6.  Frank-Olaf Maehling (3 out of 16 patents)

7.  Ronny Sondjaja (2 out of 4 patents)

8.  Frank-Olaf Mähling (2 out of 11 patents)

9.  Rene Koschabek (2 out of 8 patents)

10.  Markus Weber (2 out of 3 patents)

11.  Jane Benito (2 out of 2 patents)

12.  Justin August Langston (2 out of 3 patents)

13.  Ellen Suchert (2 out of 2 patents)

14.  Dieter Janssen (2 out of 4 patents)

15.  Michael Mueller (2 out of 23 patents)


15 patents:

1. 10472444 - Method for the preparation of copolymers of alkyl methacrylates and maleic anhydride (2019-11-12),
2. 10465027 - Method for the preparation of copolymers of alkyl methacrylates and maleic anhydride (2019-11-05),
3. 10428292 - Functional polyalkyl (meth)acrylates with enhanced demulsibility performance (2019-10-01),
4. 10385288 - Graft copolymers based on polyolefin backbone and methacrylate side chains (2019-08-20),
5. 10131776 - Composition to improve cold flow properties of fuel oils (2018-11-20),
6. 9957342 - Process for preparing low sulfur dispersant polymers (2018-05-01),
7. 9914896 - Lubricant composition with phosphorus-functionalized polymers (2018-03-13),
8. 9783630 - Use of comb polymers for reducing fuel consumption (2017-10-10),
9. 9777098 - Polyalkyl(meth)acrylate for improving lubricating oil properties (2017-10-03),
10. 9617495 - Transmission lubricant (2017-04-11),
11. 9580529 - Preparation of low-viscosity polymers (2017-02-28),
12. 9540575 - Method for dewaxing mineral oil compositions (2017-01-10),
13. 9481849 - Polymer useful as viscosity index improver (2016-11-01),
14. 9434903 - Friction-improved polymers for DLC-coated surfaces (2016-09-06),
15. 9284505 - Composition to improve oxidation stability of fuel oils (2016-03-15),
Company Overview
Evonik Oil Additives GmbH, based in Darmstadt, Germany, specializes in the development and production of high-performance additives for the oil and lubricants industry. The company focuses on enhancing the performance and efficiency of lubricants, catering to various applications including automotive, industrial, and marine sectors. With a commitment to innovation, Evonik leverages advanced research and technology to deliver solutions that meet the evolving needs of its global clientele.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

15 Patents

#39 in Darmstadt

#2,773 in Germany

#39,921 in the World

Darmstadt, DE
Darmstadt, Germany

Evonik Oil Additives Gmbh

Forward Citations = 13

45 inventors:

goldMedal Torsten Stoehr (5 out of 11 patents)

silverMedal Boris Eisenberg (4 out of 18 patents)

bronzeMedal Klaus Schimossek (3 out of 11 patents)

4.  Rhishikesh Gokhale (3 out of 4 patents)

5.  Miriam Kathrin Stihulka (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Evonik Oil Additives Gmbh. Retrieved from https://idiyas.com/company/evonik-oil-additives

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]
Loading…