logo

For the Inventor, By the Inventor

Darmstadt, Germany

Merck Patent Gesellschaft


USPTO Granted Patents = 121

% Expired Patents = 43.8

Forward Citations = 1,212

Loading Chart...
Loading Chart...

306 inventors (with patents filed for the assignee):

goldMedal Volker Reiffenrath (9 out of 216 patents)

silverMedal Andreas Bathe (9 out of 25 patents)

bronzeMedal Bernd Helfert (9 out of 16 patents)

4.  Steffen Neuenfeld (9 out of 12 patents)

5.  Heike Kniel (9 out of 11 patents)

6.  Matthias Bartels (9 out of 11 patents)

7.  Susanne Rudolph (9 out of 11 patents)

8.  Henning Böttcher (8 out of 21 patents)

9.  Harald Hirschmann (7 out of 86 patents)

10.  Herwig Buchholz (7 out of 62 patents)

11.  Michael Heckmeier (6 out of 100 patents)

12.  Simon Greenfield (6 out of 57 patents)

13.  Eike Poetsch (6 out of 155 patents)

14.  Matthias Bremer (5 out of 110 patents)

15.  Peer Kirsch (5 out of 120 patents)


Core Competencies:
Liquid-Crystalline Medium
Electro-Optical Displays
Pigment Mixtures
Polymerizable Compounds
Quinazolinamide Derivatives
Chroman Compounds
Nematic Liquid-Crystal Mixture
Benzofuran Compounds
Tricyclic Quinoxaline Derivatives
Hydrazono-Malonitriles
Doped Positive-Electrode Material
Highly Light-Scattering Pigment

121 patents:

1. 10639247 - Pigment mixtures (2020-05-05),
2. 9624204 - Polymorphic forms of 1-[4-(5-cyanoindol-3-yl)butyl]-4-(2-carbamoylbenzofuran-5-yl) piperazine hydrochloride (2017-04-18),
3. 8927552 - Polymorphic forms of 1-[4-(5-cyanoindol-3-yl)butyl]-4-(2-carbamoylbenzofuran-5-yl)piperazine hydrochloride (2015-01-06),
4. 8921375 - Polymorphic forms of 1-[4-(5-cyanoindol-3-yl)butyl]-4-(2-carbamoylbenzofuran-5-yl) piperazine hydrochloride (2014-12-30),
5. 8673921 - Polymorphic forms of 1-[4-(5-cyanoindol-3-yl)butyl]-4-(2-carbamoylbenzofuran-5-yl) piperazine hydrochloride (2014-03-18),
6. 8546565 - Quinazolinamide derivatives (2013-10-01),
7. 8318744 - Polymorphic forms of 1-'4-(5-cyanoindol-3-yl) butyl-4-(2-carbamoylbenzofuran-5-yl)piperazine hydrochloride (2012-11-27),
8. 8236804 - Polymorphic forms of 1-'4-(5-cyanoindol-3-yl)butyl-4-(2-carbamoylbenzofuran-5-yl)piperazine hydrochloride (2012-08-07),
9. 8193195 - Polymorphic forms of 1-'4-(5-cyanoindol-3-yl) butyl-4-(2-carbamoylbenzofuran-5-yl) piperazine hydrochloride (2012-06-05),
10. 7981894 - Polymorphic forms of 1-'4-(5-cyanoindol-3-yl) butyl-4-(2-carbamoylbenzofuran-5-yl)piperazine hydrochloride (2011-07-19),
11. 7955664 - Chroman compounds (2011-06-07),
12. 7888519 - Pyran compound or at least one derivative thereof (2011-02-15),
13. 7872039 - 3-aminoindazoles (2011-01-18),
14. 7858376 - Ninhydrin and ionic liquid reagent mixture and method for the visualization of amino acids and peptides (2010-12-28),
15. 7834020 - Polymorphic forms of 1-'4-(5-cyanoindol-3-yl)butyl-4-(2-carbamoylbenzofuran-5-yl) piperazine hydrochloride (2010-11-16),
Company Overview
Merck Patent Gesellschaft, based in Darmstadt, Germany, is a leader in the development and manufacturing of advanced liquid crystal technologies. The company specializes in a range of core technology topics, including liquid-crystalline mediums and electro-optical displays, which are essential for modern display applications. Additionally, it focuses on innovative materials such as pigment mixtures, polymerizable compounds, and various chemical derivatives, contributing significantly to advancements in the field of liquid crystal technology.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

121 Patents

#7 in Darmstadt

#498 in Germany

#6,611 in the World

Darmstadt, DE
Darmstadt, Germany

Merck Patent Gesellschaft

Forward Citations = 1,212

306 inventors:

goldMedal Volker Reiffenrath (9 out of 216 patents)

silverMedal Andreas Bathe (9 out of 25 patents)

bronzeMedal Bernd Helfert (9 out of 16 patents)

4.  Steffen Neuenfeld (9 out of 12 patents)

5.  Heike Kniel (9 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Merck Patent Gesellschaft. Retrieved from https://idiyas.com/company/merck-patent-gesellschaft

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…