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For the Inventor, By the Inventor

Ludwigshafen, Germany

Basf Akteingesellschaft

Calculating rank
USPTO Granted Patents = 12

% Expired Patents = 8.3

Forward Citations = 113

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55 inventors (with patents filed for the assignee):

goldMedal Karl-Otto Westphalen (2 out of 265 patents)

silverMedal Gerhard Hamprecht (2 out of 215 patents)

bronzeMedal Markus Weber (1 out of 29 patents)

4.  Helmut Walter (1 out of 220 patents)

5.  Klaus Ditrich (1 out of 48 patents)

6.  Ekkehard Schwab (1 out of 101 patents)

7.  Hartwig Voss (1 out of 38 patents)

8.  Klaus Fischer (1 out of 10 patents)

9.  Michael Henningsen (1 out of 23 patents)

10.  Bernd Sachweh (1 out of 17 patents)

11.  Till Gerlach (1 out of 27 patents)

12.  Petr Kubanek (1 out of 20 patents)

13.  Frederik Van Laar (1 out of 5 patents)

14.  Wolfgang Mackenroth (1 out of 20 patents)

15.  Peter Schäfer (1 out of 53 patents)


12 patents:

1. 9505705 - Method for producing amines with a catalyst containing platinum, nickel and an additional metal (2016-11-29),
2. 7105662 - Method of producing N-substituted 2,6-dialkylmorpholines (2006-09-12),
3. 6942762 - Method for the production of a salt-free aqueous hydroxylamine solution (2005-09-13),
4. 6851634 - Granular spreader and product container (2005-02-08),
5. 6013606 - Substituted cinnamic oxime and hydroxamide derivatives (2000-01-11),
6. 5895659 - Finely dispersed carotenoid and retinoid suspension and their preparation (1999-04-20),
7. 5171353 - Sulfonamides (1992-12-15),
8. 5126371 - Diarylacetylenes, their preparation and their use (1992-06-30),
9. 5091071 - Removal of acid from cathodic electrocoating baths by electrodialysis (1992-02-25),
10. 5070136 - Aqueous polymer dispersions for coating wood (1991-12-03),
11. 4910328 - Preparation of omega-formylalkanecarboxylic esters (1990-03-20),
12. 4857613 - Preparation of homopolymers and copolymers of propene using a (1989-08-15),
Company Overview
BASF Aktiengesellschaft, headquartered in Ludwigshafen, Germany, is a leading global chemical company specializing in the development and production of a wide range of chemical products. The company operates across various sectors, including agriculture, automotive, construction, and consumer goods, focusing on innovative solutions that enhance sustainability and efficiency. BASF invests significantly in research and development, driving advancements in materials science, biotechnology, and digitalization to meet the evolving needs of industries worldwide.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

12 Patents

#17 in Ludwigshafen

#3,300 in Germany

#48,209 in the World

Ludwigshafen, DE
Ludwigshafen, Germany

Basf Akteingesellschaft

Forward Citations = 113

55 inventors:

goldMedal Karl-Otto Westphalen (2 out of 265 patents)

silverMedal Gerhard Hamprecht (2 out of 215 patents)

bronzeMedal Markus Weber (1 out of 29 patents)

4.  Helmut Walter (1 out of 220 patents)

5.  Klaus Ditrich (1 out of 48 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Basf Akteingesellschaft. Retrieved from https://idiyas.com/company/basf-akteingesellschaft

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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