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For the Inventor, By the Inventor

Scheldelaan, Belgium

Bayer Antwerpen N.v.


USPTO Granted Patents = 10

% Expired Patents = 20.0



Forward Citations = 91

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23 inventors (with patents filed for the assignee):

goldMedal Stephan Kirchmeyer (3 out of 38 patents)

silverMedal Raymond Audenaert (3 out of 11 patents)

bronzeMedal Alexander Karbach (2 out of 19 patents)

4.  René De Cleyn (2 out of 3 patents)

5.  Steffen Kühling (2 out of 4 patents)

6.  Franky Bruynseels (2 out of 6 patents)

7.  Dirk Van Meirvenne (2 out of 6 patents)

8.  Raoul Weiler (2 out of 2 patents)

9.  Friedrich-Karl Bruder (1 out of 88 patents)

10.  George Combs (1 out of 15 patents)

11.  Wilfried Haese (1 out of 39 patents)

12.  Stanley L Hager (1 out of 17 patents)

13.  Kirkor Sirinyan (1 out of 46 patents)

14.  Paul Leitgeb (1 out of 9 patents)

15.  Thomas Bieringer (1 out of 14 patents)


10 patents:

1. 7034103 - Process for production of polyols with hydroxide containing double metal cyanide (DMC) catalysts (2006-04-25),
2. 6855794 - Polycarbonate substrates (2005-02-15),
3. 6855390 - Optical data carriers and method for producing the same (2005-02-15),
4. 6491846 - Process for the in-situ production of polyol blends, the in-situ produced polyol blends, and their use in the production of viscoelastic foam (2002-12-10),
5. 5900454 - Aqueous dispersions, process for the production thereof and use thereof (1999-05-04),
6. 5811480 - Size composition, sized glass fibers and use thereof (1998-09-22),
7. 5340879 - Polymer resins and use thereof (1994-08-23),
8. 4299595 - Method of operating a cyclical pressure-swing adsorption installation (1981-11-10),
9. 4013755 - Filtration of solid-containing titanyl sulfate solutions (1977-03-22),
10. 3981978 - Working up aqueous titanium dioxide hydrate suspensions (1976-09-21),
Company Overview
Bayer Antwerpen N.V. is a key player in the life sciences sector, focusing on the development and manufacturing of innovative products in pharmaceuticals and crop science. The company specializes in research areas such as biotechnology, health care solutions, and agricultural advancements, contributing to improved quality of life and sustainable farming practices. Located in Belgium, Bayer Antwerpen plays a vital role in Bayer's global operations, emphasizing its commitment to scientific excellence and responsible stewardship in its endeavors.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

10 Patents

#1 in Scheldelaan

#255 in Belgium

#56,092 in the World

Scheldelaan, BE
Scheldelaan, Belgium

Bayer Antwerpen N.v.

Forward Citations = 91

23 inventors:

goldMedal Stephan Kirchmeyer (3 out of 38 patents)

silverMedal Raymond Audenaert (3 out of 11 patents)

bronzeMedal Alexander Karbach (2 out of 19 patents)

4.  René De Cleyn (2 out of 3 patents)

5.  Steffen Kühling (2 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bayer Antwerpen N.v.. Retrieved from https://idiyas.com/company/bayer-antwerpen-n-v

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]
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