Forward Citations = 95

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8 inventors (with patents filed for the assignee):

Kurt Dahmen (3 out of 40 patents)

Eduard Barthell (2 out of 11 patents)

Dolf Stockhausen (1 out of 13 patents)

4. Erich Kuster (1 out of 7 patents)

5. Otto Schmid (1 out of 1 patent)

6. Bernhard Goossens (1 out of 4 patents)

7. Rudolf Nowak (1 out of 3 patents)

8. Siegfried Pfabe (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 4318705 - Process for improving the lightfastness of conventionally dyed leather (1982-03-09),

2. 4312998 - Method for making N-substituted acrylamides (1982-01-26),

3. 4286004 - Antistatic polyurethane foams and carpet backings made therefrom (1981-08-25),

4. 4179367 - Thickening urinary and intestinal tract excrement (1979-12-18),

Company Overview

Chemische Fabrik is a leading chemical manufacturer specializing in producing high-quality chemicals for various industries. With over 50 years of experience, we are committed to providing innovative solutions and exceptional customer service. Our state-of-the-art facilities and expert team ensure top-notch products that meet the highest standards of quality and safety. Contact us today to learn more about our products and services.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#82 in Bakerpfad

#7,037 in Germany

Cologne, Germany

Chemische Fabrik

Forward Citations = 95

8 inventors:

Kurt Dahmen (3 out of 40 patents)

Eduard Barthell (2 out of 11 patents)

Dolf Stockhausen (1 out of 13 patents)

4. Erich Kuster (1 out of 7 patents)

5. Otto Schmid (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chemische Fabrik. Retrieved from https://idiyas.com/company/chemische-fabrik

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]