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For the Inventor, By the Inventor

Duelmen, Germany

Hans Bellut

This inventor holds 5 USPTO granted patents. Top assignees: Huels Aktiengesellschaft, Huls Aktiengesellschaft. Active years: 1989-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans Bellut. Retrieved from https://idiyas.com/inventor/hans-bellut

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 = 1.3

ph-index = 3

Forward Citations = 12(Granted Patents)


Location History:

  • Duelmen, DE (1989 - 1990)
  • Bergstrasse, DE (1990)

Company Filing History:

goldMedal4 out of 580 
 
Huels Aktiengesellschaft
 patents
silverMedal1 out of 123 
 
Huls Aktiengesellschaft
 patents

Years Active: 1989-1990

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5 patents (USPTO):Explore Patents
1. 4970347 - Method of producing 2,6,6-trimethyl-2-cyclohexane-1,4-dione (1990-11-13),
2. 4898984 - Process for preparing 3,5,5,-trimethyl-4-hydroxy-2-cyclohexen-1-one (1990-02-06),
3. 4864026 - Method of manufacturing N-alkyl-N'-methyl-alkyleneureas, particularly N,N'- (1989-09-05),
4. 4855488 - Process for the preparation of dicyclopentenol esters (1989-08-08),
5. 4845303 - Procedure for the production of beta-isophorone from alpha-isophorone (1989-07-04),
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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