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For the Inventor, By the Inventor

Leverkusen, Germany

Hans Schlegel

This inventor holds 6 USPTO granted patents. Top assignee: Bayer Aktiengesellschaft. Active years: 1989-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans Schlegel. Retrieved from https://idiyas.com/inventor/hans-schlegel

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

Calculating rank
USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 15(Granted Patents)


Company Filing History:

goldMedal6 out of 12,269 
 
Bayer Aktiengesellschaft
 patents

Years Active: 1989-1999

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6 patents (USPTO):Explore Patents
1. 5883216 - Blocked polyisocyanates containing amide/imide groups and their use in (1999-03-16),
2. 5126422 - Coating compositions and coated heat-resistant substrates prepared (1992-06-30),
3. 5071938 - Polyisocyanates, a process for their preparation and their use in (1991-12-10),
4. 5061515 - Lacquer binders, a process for coating heat resistant substrates and the (1991-10-29),
5. 4954577 - Lacquer binders, coating compositions and wire enamels based on (1990-09-04),
6. 4853261 - Process for the preparation of coatings with hydantoin structures by the (1989-08-01),

Title: Innovations and Contributions of Hans Schlegel

Introduction

Hans Schlegel is a notable inventor based in Leverkusen, Germany. He has made significant contributions to the field of polyisocyanates, with a focus on their applications in coating compositions. With a total of 6 patents to his name, Schlegel's work has had a considerable impact on the industry.

Latest Patents

Among his latest patents, Schlegel has developed innovations such as blocked polyisocyanates containing amide/imide groups and their use in coating compositions. His inventions also include heat-resistant substrates prepared from these polyisocyanates, which are suitable for the production of durable films and coatings.

Career Highlights

Schlegel is associated with Bayer Aktiengesellschaft, a leading global company in the chemical and pharmaceutical sectors. His work at Bayer has allowed him to explore and develop advanced materials that enhance the performance of coatings in various applications.

Collaborations

Throughout his career, Schlegel has collaborated with esteemed colleagues, including Reinhard Halpaap and Willi Dunwald. These partnerships have fostered innovation and have contributed to the successful development of his patented technologies.

Conclusion

Hans Schlegel's contributions to the field of polyisocyanates and coating compositions highlight his role as a significant inventor. His work continues to influence advancements in material science and coatings technology.

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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