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Darmstadt, Germany

Evonik Rohmax Additives Gmbh

USPTO Granted Patents = 16

% Expired Patents = 31.3

CIPO Patents = 7

EPO Patents = 6

Trademarks = 3

Forward Citations = 42

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44 inventors (with patents filed for the assignee):

Michael Mueller (7 out of 23 patents)

Markus Scherer (6 out of 33 patents)

Boris Eisenberg (5 out of 18 patents)

4. Torsten Stoehr (4 out of 11 patents)

5. Roland Schweder (3 out of 5 patents)

6. Christoph Wincierz (3 out of 4 patents)

7. Klaus Hedrich (3 out of 5 patents)

8. Alexander Dardin (3 out of 6 patents)

9. Matthias Fischer (3 out of 5 patents)

10. Michael Neusius (2 out of 6 patents)

11. Klaus Schimossek (2 out of 11 patents)

12. Dieter Janssen (2 out of 4 patents)

13. Thorsten Bartels (2 out of 3 patents)

14. Bernard Kinker (2 out of 6 patents)

15. Melanie Croessmann (2 out of 3 patents)

16 patents: Sort by Forward Citations

1. 9200233 - (Meth)acrylate polymers for improving the viscosity index (2015-12-01),

2. 9175242 - Fluid having improved lubricity properties (2015-11-03),

3. 9080124 - Use of graft polymers (2015-07-14),

4. 8859472 - Use of ester group-including polymers as antifatigue additives (2014-10-14),

5. 8785358 - Process for producing lubricating grease (2014-07-22),

6. 8754018 - Use of polyalkyl (meth)acrylates in lubricating oil compositions (2014-06-17),

7. 8722600 - Polymers with H-bridge forming functionalities for improving anti-wear protection (2014-05-13),

8. 8349779 - Polymers with h-bridge forming functionalities (2013-01-08),

9. 8288583 - Process for preparing carboxylic acid derivatives (2012-10-16),

10. 8288327 - Lubricating oil composition with good frictional properties (2012-10-16),

11. 8163682 - Oil soluble polymers (2012-04-24),

12. 8067349 - Oil soluble comb polymers (2011-11-29),

13. 8021885 - Method for the determination of the oxidative stability of a lubricating fluid (2011-09-20),

14. 8012919 - Oil composition for lubricating an EGR equipped diesel engine and an EGR equipped diesel engine comprising same (2011-09-06),

15. 7981848 - Use of polyalkylmethacrylate polymer (2011-07-19),

Evonik Rohmax Additives GmbH, based in Darmstadt, Germany, specializes in the development and production of high-performance additives for various industries. The company focuses on enhancing the properties of polymers and coatings, providing innovative solutions that improve product performance and sustainability. With a strong emphasis on research and technology, Evonik Rohmax is dedicated to advancing formulations that meet the evolving needs of its global clientele in sectors such as automotive, construction, and consumer goods.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

16 Patents

#36 in Darmstadt

#2,621 in Germany

#37,788 in the World

Darmstadt, Germany

Evonik Rohmax Additives Gmbh

Forward Citations = 42

44 inventors:

Michael Mueller (7 out of 23 patents)

Markus Scherer (6 out of 33 patents)

Boris Eisenberg (5 out of 18 patents)

4. Torsten Stoehr (4 out of 11 patents)

5. Roland Schweder (3 out of 5 patents)

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