Mannheim, Germany

Hansjuergen Kessler

This inventor holds 2 USPTO granted patents. Top assignee: Basf Aktiengesellschaft. Active years: 1981-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hansjuergen Kessler. Retrieved from https://idiyas.com/inventor/hansjuergen-kessler

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 16(Granted Patents)


Company Filing History:


Years Active: 1981-1992

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2 patents (USPTO):Explore Patents

Title: The Innovations of Hansjuergen Kessler

Introduction

Hansjuergen Kessler is a notable inventor based in Mannheim, Germany. He has made significant contributions to the field of materials science, particularly in the development of hard foams. With a total of 2 patents to his name, Kessler's work has had a considerable impact on the industry.

Latest Patents

Kessler's latest patents focus on the preparation of hard foams containing urethane groups. One of his inventions involves a process for creating a hard foam that includes urethane and isocyanurate groups. This process utilizes a reaction between a polyisocyanate and a polyhydroxy compound, specifically a reaction mixture of a difunctional hydroxyl group-containing amine and naphthenic acid. The reaction conditions are carefully controlled, with temperatures ranging from 0°C to 150°C and an amino equivalent to carboxylic equivalent ratio of 0.3:1 to 50:1.

Career Highlights

Kessler is currently associated with BASF Aktiengesellschaft, a leading chemical company known for its innovative solutions. His work at BASF has allowed him to explore new materials and processes that enhance the performance of hard foams in various applications.

Collaborations

Throughout his career, Kessler has collaborated with several talented individuals, including Uwe Hartwig and Eckhard Ropte. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Hansjuergen Kessler's contributions to the field of materials science, particularly in the area of hard foams, demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving material properties and expanding their 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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