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For the Inventor, By the Inventor

Mannheim, Germany

Rhein Chemie Rheinau Gmbh


USPTO Granted Patents = 77



Trademarks = 14

Forward Citations = 299

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137 inventors (with patents filed for the assignee):

goldMedal Wilhelm Laufer (15 out of 21 patents)

silverMedal Ludger Heiliger (12 out of 15 patents)

bronzeMedal Armin Eckert (9 out of 11 patents)

4.  Thomas Früh (9 out of 12 patents)

5.  Werner Obrecht (8 out of 95 patents)

6.  Harald Kleinknecht (6 out of 9 patents)

7.  Achim Fessenbecker (6 out of 14 patents)

8.  Torsten Ziser (5 out of 9 patents)

9.  Hans-Joachim Graf (5 out of 12 patents)

10.  Anke Blaul (4 out of 4 patents)

11.  Patrick Galda (4 out of 4 patents)

12.  Thomas Früh (4 out of 4 patents)

13.  Alfred Pauli (4 out of 4 patents)

14.  Helfried Ehrend (4 out of 4 patents)

15.  Volker Schafer (4 out of 4 patents)


Core Competencies:
Carbodiimides
Polyamide Production
Vulcanization Accelerators
Microgels
Anticorrosion Additives
Polyurethane Elastomers
Thixotropic Additives
Rubber Compounds
Bonding Agents
Cast Polyamides
Lubricity Enhancing Additives
Thermoplastic Molding Compositions

77 patents:

1. 9540480 - Use of carbodiimide-containing compositions for controlling pot life (2017-01-10),
2. 9512381 - Lubricity enhancing additives, a method for producing the same and use thereof (2016-12-06),
3. 9512299 - Carbodiimides having terminal urea and/or urethane groups, methods for producing said carbodiimides, and use of said carbodiimides (2016-12-06),
4. 9464256 - Methods for producing oil formulations by means of certain carbodiimides (2016-10-11),
5. 9452975 - Biobased carbodiimides, a process for preparation thereof and use thereof (2016-09-27),
6. 9434807 - Carbodiimide-containing compositions and method for the production and use thereof (2016-09-06),
7. 9428611 - Catalysts for producing cast polyamide, method for the production of said catalysts and the use thereof (2016-08-30),
8. 9410027 - Vulcanization-accelerating mixture (2016-08-09),
9. 9388290 - Batches of cross-linking agents, containing marking substances, novel cross-linkable rubber mixtures, method for the production thereof, and use of same (2016-07-12),
10. 9321879 - Methods for controlling (extending) the pot life in chain-extended polyurethane (PU)-based systems (2016-04-26),
11. 9199925 - Carbodiimides from trisubstituted aromatic isocyanates, a method for producing same, and the use of same (2015-12-01),
12. 9181394 - Composition for producing cast polyamides (2015-11-10),
13. 9121103 - Anticorrosion additives for manufacturing processes, a process for preparation thereof and use thereof (2015-09-01),
14. 9079805 - Mixtures on the basis of sulfur-crosslinked triglyceride, a method for the production thereof, and the use thereof as fertilizer (2015-07-14),
15. 9062153 - Compositions, preparation thereof and use thereof for production of cast polyamides (2015-06-23),
Rhein Chemie Rheinau GmbH is a leading global provider of innovative solutions, products, and services for the rubber, polymer, and related industries. With over a century of experience, Rhein Chemie offers a broad range of specialty chemicals, additives, and rubber processing aids that enhance the performance and sustainability of various applications. Their expertise encompasses fields such as automotive, construction, electrical engineering, and more. Through continuous research and development, Rhein Chemie strives to drive forward technological advancements and create value for their customers worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

77 Patents

#5 in G-6800 Mannheim

#781 in Germany

#9,511 in the World

...
Mannheim, Germany

Rhein Chemie Rheinau Gmbh

Forward Citations = 299

137 inventors:

goldMedal Wilhelm Laufer (15 out of 21 patents)

silverMedal Ludger Heiliger (12 out of 15 patents)

bronzeMedal Armin Eckert (9 out of 11 patents)

4.  Thomas Früh (9 out of 12 patents)

5.  Werner Obrecht (8 out of 95 patents)

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