Sorgues, France

Jean-Paul A Kehren

This inventor holds 3 USPTO granted patents. Top assignee: Societe Nationale Des Poudres Et Explosifs. Active years: 1978-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jean-Paul A Kehren. Retrieved from https://idiyas.com/inventor/jean-paul-a-kehren

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 2

Forward Citations = 20(Granted Patents)


Location History:

  • Sorgues, FR (1978)
  • Angouleme, FR (1979 - 1984)

Company Filing History:


Years Active: 1978-1984

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3 patents (USPTO):Explore Patents

Title: The Innovations of Jean-Paul A Kehren

Introduction

Jean-Paul A Kehren is a notable inventor based in Sorgues, France. He has made significant contributions to the field of explosives, holding a total of 3 patents. His work focuses on developing novel compounds and compositions that enhance the performance and safety of explosive materials.

Latest Patents

One of Kehren's latest patents is for a compound called tetranitroglycoluril. This novel compound exhibits remarkable stability under vacuum conditions, with a stability measure of 6 cm³/g/100 hours at 110°C. It has a detonation rate of at least 9,073 meters per second under a density charge of 1.94 and a decomposition temperature of approximately 200°C. The compound remains stable at temperatures up to 100°C at normal pressure and can be dried at 65°C. The brisance value calculated using Friedrich's formula is 159.7 × 10⁶, indicating that its detonation rate and brisance value surpass those of octogen.

Another significant patent involves ternary explosive compositions of the 'hexolite' type. In this innovation, a portion of hexogen is replaced by dinitroglycoluril, resulting in modified hexolites that possess enhanced shattering properties. These compositions are also more cost-effective than traditional hexolites that contain the same proportion of trinitrotoluene. The new compositions can incorporate fine octogen and/or hexo-octo, along with conventional hexolite modifiers, and are applicable in the same contexts as standard hexolites.

Career Highlights

Jean-Paul A Kehren is associated with the Société Nationale des Poudres et Explosifs, where he has contributed to various advancements in explosive technology. His innovative work has positioned him as a key figure in the field, particularly in the development of safer and more effective explosive materials.

Collaborations

Throughout his career, Kehren has collaborated with notable colleagues, including Robert A Dusset and Jacques Boileau. These partnerships have facilitated the exchange of ideas and expertise, further enhancing the quality of their collective work.

Conclusion

Jean-Paul A Kehren's contributions to the field of explosives through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry, paving the way for

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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