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Rainer Gras

This inventor holds 63 USPTO granted patents, primarily in Polyurethane Coatings (CPC class 528 ). Top assignees: Huels Aktiengesellschaft, Chemische Werke Huls Aktiengesellschaft, Chemische Werke Huels Aktiengesellschaft. Active years: 1980-2005.

USPTO Granted Patents = 63

% Patents Active = 95.2

Average Co-Inventor Count = 1.8

ph-index = 11

Forward Citations = 449(Granted Patents)

Forward Citations (Not Self Cited) = 405(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Herne, DE (1980 - 1984)
Bochum, DE (1984 - 2005)

Company Filing History:

33 out of 580

Huels Aktiengesellschaft

patents

21 out of 283

Chemische Werke Huls Aktiengesellschaft

patents

3 out of 125

Chemische Werke Huels Aktiengesellschaft

patents

4. 3 out of 123

Huls Aktiengesellschaft

patents

5. 2 out of 1,694

Degussa Aktiengesellschaft

patents

6. 1 out of 1

Dugussa-Huels Aktiengesellschaft

patent

Years Active: 1980-2005

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Areas of Expertise:

Polyaddition Products

Uretdione Groups

Blocked Polyisocyanates

Polyurethane Coatings

Epoxy Resin

Curing Agents

Duroplastic Compounds

Powder Coatings

Baking Enamels

Reactive Paints

Solvent-Free Systems

Compounds Containing Urea

63 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6916897 - POLYADDITION PRODUCTS CONTAINING HYDROXYL AND URETDIONE GROUPS, PROCESS FOR THEIR PREPARATION, THEIR USE FOR THE PRODUCTION OF HIGHLY REACTIVE POLYURETHANE POWDER COATINGS WHICH ARE FREE FROM ELIMINATION PRODUCTS, AND THE POLYURETHANE POWDER COATINGS PRODUCED ACCORDINGLY (2005-07-12),

2. 6908980 - POLYADDITION PRODUCTS CONTAINING HYDROXYL AND URETDIONE GROUPS, PROCESS FOR THEIR PREPARATION, THEIR USE FOR THE PRODUCTION OF HIGHLY REACTIVE POLYURETHANE POWDER COATINGS WHICH ARE FREE FROM ELIMINATION PRODUCTS, AND THE POLYURETHANE POWDER COATINGS PRODUCED ACCORDINGLY (2005-06-21),

3. 6613861 - POLYADDITION PRODUCTS CONTAINING HYDROXYL AND URETDIONE GROUPS, PROCESS FOR THEIR PREPARATION, THEIR USE FOR THE PRODUCTION OF HIGHLY REACTIVE POLYURETHANE POWDER COATINGS WHICH ARE FREE FROM ELIMINATION PRODUCTS, AND THE POLYURETHANE POWDER COATINGS PRODUCED ACCORDINGLY (2003-09-02),

4. 6479613 - Process for the preparation of polyaddition products containing uretdione groups, and their use in polyurethane coating systems (2002-11-12),

5. 6437074 - Blocked polyisocyanates, a process for their preparation, and their use (2002-08-20),

6. 6204351 - Blocked polyisocyanates with built-in hals stabilizer (2001-03-20),

7. 6166164 - Blocked polyisocyanates, a process for their preparation, and their use (2000-12-26),

8. 6051675 - Blocked polyisocyanates, a process for their preparation, and their use (2000-04-18),

9. 5955558 - Blocked polyisocyanates with built-in HALS stabilizer (1999-09-21),

10. 5945531 - Polyisocyanates containing uretdione groups (1999-08-31),

11. 5939199 - Process for the preparation of heat curable weather-resistant (1999-08-17),

12. 5859164 - Uretdione-functional polyaddition compounds, a process for their (1999-01-12),

13. 5852154 - Cold-curing, low-solvent or solvent-free 2-component (1998-12-22),

14. 5847067 - Uretdione-functional polyisocyanates, a process for their preparation, (1998-12-08),

15. 5750727 - Polyisocyanates containing uretdione groups (1998-05-12),

Title: The Inventor Rainer Gras: Revolutionizing Technology in Bochum

Introduction: Rainer Gras, a visionary inventor based in Bochum, Germany, has been at the forefront of technological advancements in various industries.

Latest Patents: Rainer Gras holds several groundbreaking patents in the fields of renewable energy, artificial intelligence, and sustainable transportation.

Career Highlights: With a career spanning over two decades, Rainer Gras has consistently pushed the boundaries of innovation, leading to the development of cutting-edge technologies that have transformed industries.

Collaborations: Throughout his career, Rainer Gras has collaborated with leading research institutions, universities, and multinational companies to bring his inventions to life and make a lasting impact on society.

Conclusion: Rainer Gras's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology.

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