For the Inventor, By the Inventor

Enter assignee name

Frankfurt-am-Main, Germany

Hoeschst Aktiengesellschaft

USPTO Granted Patents = 15

Forward Citations = 188

Loading Chart...

Loading Chart...

51 inventors (with patents filed for the assignee):

Andreas Zimmermann (2 out of 30 patents)

Fritz Schwertfeger (2 out of 20 patents)

Engelbert Pliefke (2 out of 27 patents)

4. Udo Albus (1 out of 55 patents)

5. Wolfgang Scholz (1 out of 52 patents)

6. Heinz-Werner Kleemann (1 out of 103 patents)

7. Hans-Jochen Lang (1 out of 108 patents)

8. Swati Bal-Tembe (1 out of 11 patents)

9. Helmut Springer (1 out of 43 patents)

10. Andreas Gerhard Weichert (1 out of 58 patents)

11. Aftab Dawoodbhai Lakdawala (1 out of 8 patents)

12. Peter Lappe (1 out of 48 patents)

13. Helmut Hintz (1 out of 3 patents)

14. Gerhard Kretzschmar (1 out of 25 patents)

15. Rudolf Bender (1 out of 4 patents)

15 patents: Sort by Forward Citations

1. 6159988 - Arylcycloalkyl derivatives, their production and their use (2000-12-12),

2. 6159539 - Process for preparing organically modified aerogels and use thereof (2000-12-11),

3. 615953 - Process for preparing organically modified aerogels and use thereof (2000-12-12),

4. 5994438 - Pulverulent adhesive composition (1999-11-30),

5. 5965744 - Ortho-substituted benzoylguanidines, including composition and methods (1999-10-12),

6. 5424311 - Azaquinoxalines and their use (1995-06-13),

7. 5374184 - Photopolymerizable material and process for the production of a colored (1994-12-20),

8. 5296355 - Method for assaying immunologically active substance and reagent therefor (1994-03-22),

9. 4985451 - Elaiophylin derivatives, the use thereof as pharmaceuticals, and (1991-01-15),

10. 4885383 - Process for the preparation of carboxylic acid methyl esters (1989-12-05),

11. 4825008 - Acetylketene dialkyl acetals and a process for their preparation (1989-04-25),

12. 4814491 - Hemiacetals of glyoxylic esters and a process for the isolation of (1989-03-21),

13. 4725526 - Process for reducing halations using lubricant in the course of (1988-02-16),

14. 4671859 - Process for the electrochemical graining of aluminum for use as printing (1987-06-09),

15. 4029565 - Electrolytic apparatus (1977-06-14),

Hoeschst Aktiengesellschaft is a leading chemical and pharmaceutical company based in Germany. With a history dating back over 150 years, Hoeschst is known for its innovative products and sustainable practices. The company is committed to creating solutions that improve the quality of life for people around the world. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

15 Patents

#50 in Frankfurt-am-Main

#2,773 in Germany

#38,730 in the World

Frankfurt-am-Main, Germany

Hoeschst Aktiengesellschaft

Forward Citations = 188

51 inventors:

Andreas Zimmermann (2 out of 30 patents)

Fritz Schwertfeger (2 out of 20 patents)

Engelbert Pliefke (2 out of 27 patents)

4. Udo Albus (1 out of 55 patents)

5. Wolfgang Scholz (1 out of 52 patents)

Please report any incorrect information to support@idiyas.com

Loading…