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For the Inventor, By the Inventor

Toenisvorst, Germany

Hans-Joachim Kreuder

USPTO Granted Patents = 14

Average Co-Inventor Count = 3.8

ph-index = 5

Forward Citations = 88(Granted Patents)


Location History:

  • Krefeld, DE (1984 - 1991)
  • Toenis/vorst, DE (1993)
  • Toenisvorst, DE (1993 - 1998)
  • Tonisvorst, DE (1998)

Company Filing History:

goldMedal14 out of 12,157 
 
Bayer Aktiengesellschaft
 patents

Years Active: 1984-1998

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14 patents (USPTO):Explore Patents
1. 5852101 - Powder coating compositions and their use for coating heat-resistant (1998-12-22),
2. 5728789 - Powder coating compositions containing copolymers having hydroxyl and (1998-03-17),
3. 5292807 - Compositions of cyclic isourea component with carboxyl component (1994-03-08),
4. 5280072 - Epoxide and anhydride groups-containing copolymer with polyol (1994-01-18),
5. 5219939 - Powder coating compositions (1993-06-15),
6. 5208291 - Powder coating compositions, a process for their production and their (1993-05-04),
7. 5068305 - Powder coating compositions containing polyurethanes having (1991-11-26),
8. 4943623 - Process for the production of polyesters and their use as binder or (1990-07-24),
9. 4900800 - Powder lacquer and its use for coating heat-resistant substrates (1990-02-13),
10. 4851531 - Isocyanurate group-containing polyisocyanates (1989-07-25),
11. 4748242 - Tertiary polyisocyanate derivatives (1988-05-31),
12. 4698426 - Cyclic amidines useful as catalysts in the hardening of epoxide resins (1987-10-06),
13. 4510288 - Cyclic amidines, a process for their production and their use as (1985-04-09),
14. 4424313 - Reactive polymers containing carboxyl groups, a process for the (1984-01-03),

Title: Innovations of Hans-Joachim Kreuder

Introduction

Hans-Joachim Kreuder is a notable inventor based in Toenisvorst, Germany. He has made significant contributions to the field of powder coating compositions, holding a total of 14 patents. His work focuses on developing innovative solutions that enhance the performance and durability of coatings.

Latest Patents

Among his latest patents, Kreuder has developed a powder coating composition designed for the production of non-yellowing flexible coatings. This composition remains solid below 30 degrees Celsius and transitions to a liquid state above 120 degrees Celsius. Additionally, he has created powder coating compositions that utilize copolymers, which are solid below 30 degrees Celsius and are prepared from olefinically unsaturated compounds. These copolymers have a weight-average molecular weight ranging from 1,500 to 75,000, a content of free hydroxyl groups between 0.2 to 6.0% by weight, and a content of intramolecular carboxylic acid anhydride groups calculated as C4H2O3, ranging from 1 to 30% by weight.

Career Highlights

Kreuder's career is marked by his association with Bayer Aktiengesellschaft, where he has been instrumental in advancing the company's research and development in coating technologies. His innovative approaches have led to the creation of high-performance products that meet the demands of various industries.

Collaborations

Throughout his career, Kreuder has collaborated with esteemed colleagues such as Josef Pedain and Reinhard Halpaap. These partnerships have fostered a creative environment that has contributed to the success of their projects.

Conclusion

Hans-Joachim Kreuder's contributions to the field of powder coating compositions exemplify his dedication to innovation and excellence. His patents reflect a commitment to developing advanced materials that enhance product performance and durability.

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