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For the Inventor, By the Inventor

Soisy-sous-Montmorency, France

Gerard Emile Coispeau

This inventor holds 4 USPTO granted patents. Top assignee: Produits Chimiques Ugine Kuhlmann. Active years: 1976-1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Gerard Emile Coispeau. Retrieved from https://idiyas.com/inventor/gerard-emile-coispeau

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 3

Forward Citations = 17(Granted Patents)


Location History:

  • Soisy-sur-Montmorency, FR (1976)
  • Soisy-Sous-Montmorency, FR (1978)

Company Filing History:

goldMedal4 out of 256 
 
Produits Chimiques Ugine Kuhlmann
 patents

Years Active: 1976-1978

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4 patents (USPTO):Explore Patents
1. 4122278 - 3-Trifluoromethyl-4-aryl-5-aminopyrazoles (1978-10-24),
2. 4116954 - 5-[4-(N-trifluoroethyl-amino)phenylazo]-pyrazolium dyestuffs (1978-09-26),
3. 4101540 - 3-Trifluoromethyl-4-phenyl-pyrazolium azo dyestuffs (1978-07-18),
4. 3948878 - Pyrazolium-azo-phenyl compounds (1976-04-06),

Title: Gerard Emile Coispeau: Innovator in Pyrazole Dyestuffs

Introduction

Gerard Emile Coispeau is a notable inventor based in Soisy-sous-Montmorency, France. He has made significant contributions to the field of chemistry, particularly in the development of innovative pyrazole dyestuffs. With a total of four patents to his name, Coispeau's work has advanced the applications of these compounds in various industries.

Latest Patents

Coispeau's latest patents include the development of 3-Trifluoromethyl-4-aryl-5-aminopyrazoles and azopyrazolium dyes. These compounds are characterized by specific chemical structures that allow for their use in dyeing applications. The patents detail methods for synthesizing these compounds and their potential uses, such as in the formation of dyes. Another significant patent involves the creation of new cationic pyrazole dyestuffs, which can be utilized for dyeing or printing fibers made from polymers or copolymers of acrylonitrile, as well as fibers based on polyamides or polyesters modified by acid groups.

Career Highlights

Coispeau is associated with Produits Chimiques Ugine Kuhlmann, a company known for its chemical innovations. His work at this company has allowed him to explore and develop new chemical compounds that have practical applications in various industries. His expertise in pyrazole chemistry has positioned him as a key figure in this specialized field.

Collaborations

Coispeau has collaborated with Jacques Pierre Pechmeze, contributing to the advancement of their shared research interests. Their partnership has fostered innovation and the development of new chemical products.

Conclusion

Gerard Emile Coispeau's contributions to the field of pyrazole dyestuffs exemplify the impact of innovative chemistry on industry applications. His patents and collaborations highlight his role as a significant inventor in this domain.

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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