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For the Inventor, By the Inventor

Offenbach, Germany

Kurt Gengnagel

This inventor holds 5 USPTO granted patents. Top assignee: Hoechst Aktiengesellschaft. Active years: 1976-1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kurt Gengnagel. Retrieved from https://idiyas.com/inventor/kurt-gengnagel

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 2

Forward Citations = 15(Granted Patents)


Location History:

  • Offenbach, Main, DE (1976)
  • Offenbach (Main), DE (1976)
  • Offenbach am Main, DE (1979)
  • Kriftel, DE (1981)

Company Filing History:

goldMedal5 out of 6,705 
 
Hoechst Aktiengesellschaft
 patents

Years Active: 1976-1981

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5 patents (USPTO):Explore Patents
1. 4281187 - Process for the preparation of 2,4-dinitrophenyl urea (1981-07-28),
2. 4137272 - Process for the manufacture of 2-alkoxy-6-bromo-naphthalenes (1979-01-30),
3. 3970667 - Process for the preparation of pure tolutriazoles (1976-07-20),
4. 3947512 - Process for the manufacture of aromatic sulfonic acid halides (1976-03-30),
5. 3933887 - Process for preparing 4-amino-2,5-dialkoxybenzonitriles (1976-01-20),
Profile summary based on public USPTO records.
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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