% Expired Patents = 25.0

Forward Citations = 14

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9 inventors (with patents filed for the assignee):

Herman W Kouwenhoven (2 out of 2 patents)

Leopoldo Bertea (2 out of 2 patents)

Roel Prins (2 out of 2 patents)

4. Herbert Früh (1 out of 1 patent)

5. Ulrich Brunner (1 out of 1 patent)

6. André Thum (1 out of 1 patent)

7. Ervin Kovats (1 out of 5 patents)

8. Laszlo Jelinek (1 out of 1 patent)

9. Robert Ohmacht (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 6929759 - Composition of matter and its use as a coagulant and flocculent (2005-08-16),

2. 5762803 - Silicon dioxide based microspheres for rapid chromatographic separation (1998-06-09),

3. 5334781 - Process for the preparation of nitrobenzene (1994-08-02),

4. 5324872 - Process for the preparation of nitrobenzene (1994-06-28),

Company Overview

Cu Chemie Uetikon Ag is a leading chemical company specializing in the development and production of high-quality chemicals and intermediates. With over 70 years of experience, Cu Chemie Uetikon Ag offers a wide range of products for various industries including pharmaceuticals, agrochemicals, and special chemicals. The company is committed to delivering innovative solutions and superior customer service.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#1 in Uetikon am See

#2,006 in Switzerland

Uetikon am See, Switzerland

Cu Chemie Uetikon Ag

Forward Citations = 14

9 inventors:

Herman W Kouwenhoven (2 out of 2 patents)

Leopoldo Bertea (2 out of 2 patents)

Roel Prins (2 out of 2 patents)

4. Herbert Früh (1 out of 1 patent)

5. Ulrich Brunner (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cu Chemie Uetikon Ag. Retrieved from https://idiyas.com/company/cu-chemie-uetikon-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]