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Leverkusen, Germany

Bayeraktiengesellschaft

USPTO Granted Patents = 38

% Expired Patents = 28.9

Trademarks = 3

Forward Citations = 251

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159 inventors (with patents filed for the assignee):

Reinhard Lantzsch (3 out of 146 patents)

Rolf Wehrmann (2 out of 107 patents)

Andreas Elschner (2 out of 43 patents)

4. Joachim Mittendorf (2 out of 38 patents)

5. Dieter Feucht (2 out of 189 patents)

6. Mark Wilhelm Drewes (2 out of 184 patents)

7. Karl-Heinz Ott (2 out of 141 patents)

8. Werner Obrecht (1 out of 95 patents)

9. Gisbert Michels (1 out of 37 patents)

10. Christian Wamprecht (1 out of 84 patents)

11. Martin Littmann (1 out of 20 patents)

12. Peter Fey (1 out of 85 patents)

13. Herve Tossens (1 out of 8 patents)

14. Ulrike Wachendorff-Neumann (1 out of 456 patents)

15. Peter Dahmen (1 out of 244 patents)

Core Competencies:

Herbicide Combinations

Fungicidal Active Compounds

Polymerization Methods

Nano-Zinc Oxide

Amino Disazo Dyestuffs

Controlled Release Formulations

Conductive Coatings

Textile Absorption Capacity

Non-Stick Coatings

Polycarbonate Molding Compounds

Reactive Dyestuff Mixtures

Insecticidal Compositions

38 patents: Sort by Forward Citations

1. 10872680 - Computer-implemented method for creating a fermentation model (2020-12-22),

2. 10863742 - Herbicide combinations (2020-12-15),

3. 8334300 - [object Object] (2012-12-18),

4. 7858805 - Substituted thien-3-yl-sulphonylamino(thio)carbonyl-triazolin(ethi)ones (2010-12-28),

5. 7105569 - Fungicidal active compound combinations (2006-09-12),

6. 6929685 - Alkylamine derivatives as antifouling agents (2005-08-16),

7. 6891060 - Preparation of 3-acyloxy-2-methylbenzoic acids (2005-05-10),

8. 6699316 - Process for the preparation of nano-zinc oxide dispersions stabilized by hydroxyl group-containing inorganic polymers (2004-03-02),

9. 6566465 - Method for polymerizing conjugated diolefins (dienes) with catalysts based on vanadium compounds in the presence of vinylaromatic solvents (2003-05-20),

10. 6534200 - Electroluminescent systems with polynulcear metal complexes (2003-03-18),

11. 6498217 - Branching of polyamides with esters of carbonic acid (2002-12-24),

12. 6469054 - Aryl sulphonamides and analogues (2002-10-22),

13. 6465567 - Pigment preparations for inkjet printing (2002-10-15),

14. 6462205 - Method of preparing benzofurandione oxime derivatives (2002-10-08),

15. 6423816 - Polyester polyols and their use as a binder component in two-component polyurethane coating compositions (2002-07-23),

Bayer Aktiengesellschaft is a global enterprise with a strong focus on life sciences, particularly in the fields of healthcare and agriculture. The company develops and manufactures a wide range of products, including pharmaceuticals, consumer health items, and crop science solutions. Bayer is dedicated to advancing research and innovation, with significant investments in biotechnology and sustainable agricultural practices. Headquartered in Leverkusen, Germany, Bayer operates in numerous countries, contributing to global health and food security.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

38 Patents

#11 in Leverkusen

#1,341 in Germany

#17,815 in the World

Leverkusen, Germany

Bayeraktiengesellschaft

Forward Citations = 251

159 inventors:

Reinhard Lantzsch (3 out of 146 patents)

Rolf Wehrmann (2 out of 107 patents)

Andreas Elschner (2 out of 43 patents)

4. Joachim Mittendorf (2 out of 38 patents)

5. Dieter Feucht (2 out of 189 patents)

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