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For the Inventor, By the Inventor

Pierre-Bénite, France

Francis Weiss

This inventor holds 15 USPTO granted patents. Top assignees: Produits Chimiques Ugine Kuhlmann, Other. Active years: 1976-1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Francis Weiss. Retrieved from https://idiyas.com/inventor/francis-weiss

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

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 2.6

ph-index = 4

Forward Citations = 45(Granted Patents)


Location History:

  • Rethondes, FR (1976)
  • 69 Pierre Benite, FR (1976)
  • (69) Pierre Benite, FR (1976)
  • Pierre Benite, FR (1976 - 1978)
  • Benite, FR (1979)

Company Filing History:

goldMedal13 out of 256 
 
Produits Chimiques Ugine Kuhlmann
 patents
silverMedal2 out of 834,513 
Other
 patents

Years Active: 1976-1979

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15 patents (USPTO):Explore Patents
1. 4178292 - Process for the preparation of oxaziridine (1979-12-11),
2. 4081459 - Trioxa-1, 5, 7 spiro [2,5] octanes and their method of preparation (1978-03-28),
3. 4049712 - Method for manufacturing hydrazodicarbonamide (1977-09-20),
4. 3984451 - Method for preparing hydrazo-bis-acetonitriles (1976-10-05),
5. 3978049 - Process for the preparation of hydrazine compounds (1976-08-31),
6. 3972876 - Process for the preparation of symmetrical and unsymmetrical azines and (1976-08-03),
7. 3972874 - Method for preparing symmetrical and unsymmetrical ketazines and (1976-08-03),
8. 3959262 - Method for preparing azines (1976-05-25),
9. 3956282 - Method for preparing azines (1976-05-11),
10. 3953480 - Epoxidation of olefins by hydrogen peroxide (1976-04-27),
11. 3951964 - Method for preparing azines (1976-04-20),
12. 3948902 - Method for preparing azines (1976-04-06),
13. 3944591 - Enolic ethers of adipic dialdehyde and method for preparing the same (1976-03-16),
14. 3943152 - Method for preparing azines (1976-03-09),
15. 3943132 - Process for the preparation of hydrazones (1976-03-09),

Title: The Innovations of Inventor Francis Weiss

Introduction

Francis Weiss, a prominent inventor based in Pierre-Benite, France, has made significant contributions to the field of chemistry, holding an impressive number of 15 patents. His work primarily focuses on the preparation of novel chemical compounds that have practical applications in various industries.

Latest Patents

Among his latest innovations, Weiss has developed a "Process for the preparation of oxaziridine," which details a method of synthesizing oxaziridines by reacting hydrogen peroxide with azomethinic derivatives. This reaction also includes a mixture of a carbonyl compound and a primary amine, utilizing catalytic amounts of selenium or selenium oxygenated compounds. Another notable invention is centered around "Trioxa-1, 5, 7 spiro [2,5] octanes and their method of preparation." This patent introduces new compounds that consist of trioxa-1, 5, 7 spiro [2.5] octanes and bis(trioxa-1, 5, 7 spiro [2.5] octanes). The preparation involves reacting methylene-5 dioxanes-1, 3 with an epoxidation agent, which can serve as solvents in epoxy resin production, thermosetting resins, and stabilizing polyvinyl chloride.

Career Highlights

Francis Weiss has worked with several notable companies during his career, including Produits Chimiques Ugine Kuhlmann. His professional journey reflects a dedication to advancing chemical processes and sustainable practices through innovation and research.

Collaborations

Throughout his career, Weiss has collaborated with esteemed coworkers such as Jean-Pierre Schirmann and Henri Mathais. These partnerships have fostered a productive environment, leading to groundbreaking discoveries and significant advancements in their field.

Conclusion

In conclusion, Francis Weiss stands out as a prolific inventor whose contributions have left a lasting impact on the chemistry landscape. With 15 patents to his name and a focus on innovative chemical processes, he continues to be an influential figure in the pursuit of scientific advancement.

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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