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For the Inventor, By the Inventor

Krefeld, Germany

Hans J Kreuder

This inventor holds 12 USPTO granted patents. Top assignee: Bayer Aktiengesellschaft. Active years: 1976-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans J Kreuder. Retrieved from https://idiyas.com/inventor/hans-j-kreuder

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 8

Forward Citations = 147(Granted Patents)


Location History:

  • Krefeld-Bockum, DE (1976 - 1978)
  • Krefeld, DE (1977 - 1984)

Company Filing History:

goldMedal12 out of 12,268 
 
Bayer Aktiengesellschaft
 patents

Years Active: 1976-1984

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12 patents (USPTO):Explore Patents
1. 4482721 - 1,2,4-Triazole-blocked polyisocyanates as cross-linkers for lacquer (1984-11-13),
2. 4455426 - Tetrahydropyrimidine-isocyanate addition products (1984-06-19),
3. 4455425 - Bicyclic amidine-isocyanate adducts (1984-06-19),
4. 4424353 - Bicyclic amidines (1984-01-03),
5. 4369301 - Lacquer polyisocyanates, process for the production thereof and use (1983-01-18),
6. 4288569 - Power lacquer binders and process for the preparation thereof (1981-09-08),
7. 4248978 - Pulverulent coating composition (1981-02-03),
8. 4150211 - Pulverulent coating substance (1979-04-17),
9. 4112012 - Pulverulent coating agents (1978-09-05),
10. 4022724 - Nitrocellulose alkyd resin lacquers containing (1977-05-10),
11. 3966836 - Pulverulent coating materials (1976-06-29),
12. 3932358 - Pulverent coating materials containing polyoxazolines and polyesters (1976-01-13),

Title: The Innovations of Hans J Kreuder

Introduction

Hans J Kreuder is a notable inventor based in Krefeld, Germany. He has made significant contributions to the field of chemistry, particularly in the development of innovative materials and compounds. With a total of 12 patents to his name, Kreuder's work has had a substantial impact on various industrial applications.

Latest Patents

Kreuder's latest patents include groundbreaking advancements such as 1,2,4-Triazole-blocked polyisocyanates as cross-linkers for lacquer. These compounds serve as excellent crosslinking agents for polyhydroxyl compounds. Their comparatively high melting point makes them particularly suitable for coatings applied by fluidisation dip coating or electrostatic powder spraying. Another significant patent is for bicyclic amidine-isocyanate adducts. These new amidine/isocyanate adducts are particularly useful as catalysts for hardening epoxy resins, especially in pulverulent coating compositions based on epoxy resins. The new bicyclic amidines developed by Kreuder are excellent starting materials for manufacturing these amidine/isocyanate adducts.

Career Highlights

Kreuder is currently associated with Bayer Aktiengesellschaft, a leading global company in the chemical and pharmaceutical sectors. His work at Bayer has allowed him to explore and innovate in the field of polymer chemistry, contributing to the development of advanced materials.

Collaborations

Throughout his career, Kreuder has collaborated with esteemed colleagues such as Eckhard De Cleur and Rolf Dhein. These collaborations have fostered a creative environment that has led to numerous advancements in their respective fields.

Conclusion

Hans J Kreuder's contributions to the field of chemistry through his innovative patents and collaborations highlight his importance as an inventor. His work continues to influence the development of new materials and applications in various industries.

Profile summary based on public USPTO records.
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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