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For the Inventor, By the Inventor

Much, Germany

Claus-Dieter Sommerfeld

This inventor holds 9 USPTO granted patents. Top assignee: Bayer Aktiengesellschaft. Active years: 1982-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Claus-Dieter Sommerfeld. Retrieved from https://idiyas.com/inventor/claus-dieter-sommerfeld

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 5

Forward Citations = 124(Granted Patents)


Location History:

  • Cologne, DE (1982)
  • Much, DE (1987 - 1989)
  • Overath, DE (1996 - 1997)

Company Filing History:

goldMedal9 out of 12,268 
 
Bayer Aktiengesellschaft
 patents

Years Active: 1982-1997

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9 patents (USPTO):Explore Patents
1. 5646196 - C.sub.3 to C.sub.5 polyfluorcalkanes propellants (1997-07-08),
2. 5624970 - C.sub.3 to C.sub.5 polyfluorcalkanes propellants (1997-04-29),
3. 5496866 - C.sub.3 to C.sub.5 polyfluoroalkanes propellants (1996-03-05),
4. 4874797 - Oligourea polyols, polyether polyols produced from them and the use of (1989-10-17),
5. 4857560 - Reaction products useful as catalysts in the production of (1989-08-15),
6. 4735970 - Process for the production of a cellular polyurethane (1988-04-05),
7. 4681903 - Polyester polyols, a process for their production and their use in the (1987-07-21),
8. 4644017 - Process for the production of polyisocyanate addition products and (1987-02-17),
9. 4331778 - Process for the production of polyurethane plastics (1982-05-25),

Title: The Innovations of Claus-Dieter Sommerfeld

Introduction

Claus-Dieter Sommerfeld is a notable inventor based in Much, Germany. He has made significant contributions to the field of chemical engineering, particularly in the development of polyfluoroalkanes. With a total of nine patents to his name, Sommerfeld has established himself as a key figure in his industry.

Latest Patents

Sommerfeld's latest patents focus on C.sub.3 to C.sub.5 polyfluoralkanes propellants. These polyfluoroalkanes are utilized as propellants in sprayable compositions and in the preparation of plastic foams. Additionally, they serve important roles in the electrical industry as cleansing and degreasing agents. His innovative work in this area has the potential to impact various applications across multiple sectors.

Career Highlights

Sommerfeld is currently employed at Bayer Aktiengesellschaft, a leading global company in the pharmaceutical and life sciences sector. His work at Bayer has allowed him to further his research and development efforts, contributing to advancements in chemical products and applications.

Collaborations

Throughout his career, Sommerfeld has collaborated with esteemed colleagues such as Peter Haas and Wilhelm Lamberts. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Claus-Dieter Sommerfeld's contributions to the field of chemical engineering and his innovative patents highlight his importance as an inventor. His work continues to influence various industries, showcasing the impact of his research and development efforts.

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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