Dugussa-Huels Aktiengesellschaft

Calculating rank

USPTO Granted Patents = 1

Forward Citations = 2

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4 inventors (with patents filed for the assignee):

Klaus Behrendt (1 out of 8 patents)

Silvia Herda (1 out of 4 patents)

Rainer Gras (1 out of 63 patents)

4. Siegfried Brandt (1 out of 5 patents)

1 patent: Sort by Forward Citations

1. 6479613 - Process for the preparation of polyaddition products containing uretdione groups, and their use in polyurethane coating systems (2002-11-12),

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USPTO Data Jan 1 1976 - Oct 27 2026

1 Patents

#233 in Frankfurt

#15,381 in Germany

Frankfurt, Germany

Dugussa-Huels Aktiengesellschaft

Forward Citations = 2

4 inventors:

Klaus Behrendt (1 out of 8 patents)

Silvia Herda (1 out of 4 patents)

Rainer Gras (1 out of 63 patents)

4. Siegfried Brandt (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dugussa-Huels Aktiengesellschaft. Retrieved from https://idiyas.com/company/dugussa-huels-ag

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]