Saint Louis, France

Jean Stoffer

This inventor holds 2 USPTO granted patents. Top assignee: Ciba-Geigy Corporation. Active years: 1991-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jean Stoffer. Retrieved from https://idiyas.com/inventor/jean-stoffer

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 = 2.0

ph-index = 2

Forward Citations = 14(Granted Patents)


Location History:

  • St. Louis, FR (1991)
  • Wohnsitz, DE (1994)

Company Filing History:


Years Active: 1991-1994

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2 patents (USPTO):Explore Patents

Title: Jean Stoffer: Innovator in Electrically Conductive Compositions

Introduction

Jean Stoffer is a notable inventor based in St. Louis, France. He has made significant contributions to the field of electrically conductive materials, holding 2 patents that showcase his innovative approach to enhancing electrical conductivity and mechanical properties.

Latest Patents

Stoffer's latest patents include a process for the preparation of an electrically conductive composition. This composition consists of at least one oxidized polycationic polyheteroaromatic compound and at least one polyanion of a film-forming thermoplastic polymer containing sulfated alcohol groups. The process involves drawing the material at temperatures below the melt/decomposition temperature to improve electrical conductivity and mechanical properties. The resulting material can be utilized as electrodes, electrically conductive filaments, or components for electromagnetic screening. Another patent focuses on a composition that also includes oxidized polycationic polyheteroaromatic compounds and polyanions, which exhibits high electrical conductivity and good mechanical properties, particularly after being drawn at lower temperatures.

Career Highlights

Jean Stoffer is associated with Ciba-Geigy Corporation, where he has been instrumental in developing advanced materials. His work has significantly impacted the field of conductive materials, paving the way for new applications in various industries.

Collaborations

Stoffer has collaborated with Wolfgang Wernet, contributing to the advancement of their shared research interests in electrically conductive compositions.

Conclusion

Jean Stoffer's innovative work in the field of electrically conductive materials highlights his role as a key inventor. His patents reflect a commitment to enhancing material properties for practical applications.

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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