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For the Inventor, By the Inventor

Dardilly, France

Francis Demangeon

This inventor holds 8 USPTO granted patents. Top assignees: Elf France, Koch Materials Company. Active years: 1986-1995.

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

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 5

Forward Citations = 102(Granted Patents)


Location History:

  • Darndilly, FR (1993)
  • Dardilly, FR (1986 - 1995)

Company Filing History:

goldMedal7 out of 113 
 
Elf France
 patents
silverMedal1 out of 7 
 
Koch Materials Company
 patents

Years Active: 1986-1995

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8 patents (USPTO):Explore Patents
1. 5382612 - Process for preparing in aqueous emulsion a bitumen/polymer binder with (1995-01-17),
2. 5374672 - Method for producing an asphalt binder emulsion which makes it possible (1994-12-20),
3. 5268029 - Cationic emulsions of bituminous binders of the type bitumen/polymer and (1993-12-07),
4. 5246986 - Bituminous binder emulsion with a viscosity controlled by addition of (1993-09-21),
5. 4970025 - Cationic emulsions of bituminous binders of the type bitumen/polymer and (1990-11-13),
6. 4879326 - Cationic emulsions of bituminous binders of the type bitumen/polymer and (1989-11-07),
7. 4772648 - Cationic emulsions of bituminous binders of the type bitumen/polymer and (1988-09-20),
8. 4576648 - Cationic emulsions of bituminous binders of the bitumen type and their (1986-03-18),

Title: Francis Demangeon: Innovator in Asphalt Binder Technology

Introduction

Francis Demangeon, a notable inventor based in Dardilly, France, has made significant contributions to the field of asphalt binder technology. With a total of eight patents to his name, he has established himself as a key player in innovation within the industry.

Latest Patents

Among Demangeon's most recent inventions are a patented process for preparing an aqueous emulsion of a bitumen/polymer binder and a method for producing an asphalt binder emulsion. These innovations have enhanced the production of asphalt materials, paving the way for improved infrastructure solutions.

Career Highlights

Demangeon has an impressive professional background, having worked with major companies such as Elf France and Koch Materials Company. His expertise in refining asphalt and binder technologies has greatly benefited these organizations and propelled advancements in material engineering.

Collaborations

Throughout his career, Demangeon has partnered with talented colleagues, including Emile Lopez and Pierre Chaverot. Their collaborative efforts have fostered a rich environment for innovation, leading to the successful development of new technologies and materials.

Conclusion

Francis Demangeon's dedication to invention and innovation in the field of asphalt binder technology is commendable. With his ongoing contributions, he continues to influence the industry and inspire future advancements in materials engineering.

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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