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For the Inventor, By the Inventor

Clamart, France

Francis Lemaire

This inventor holds 6 USPTO granted patents. Top assignee: Commissariat a L'energie Atomique Et Aux Energies Alternatives. Active years: 1977-1985.

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

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

Calculating rank
USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 5

Forward Citations = 84(Granted Patents)


Location History:

  • Clamart, FR (1977 - 1980)
  • Chatillon, FR (1980 - 1981)
  • Bagnols-sur-Ceze, FR (1983)
  • Chatillon Sous Bagneux, FR (1985)

Company Filing History:

goldMedal6 out of 8,845 
 
Commissariat a L'energie Atomique Et Aux Energies Alternatives
 patents

Years Active: 1977-1985

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6 patents (USPTO):Explore Patents
1. 4537668 - Process for the production of a cation exchange diaphragm and the (1985-08-27),
2. 4415603 - Process for painting which can be used for marking roads (1983-11-15),
3. 4258156 - Method of fabrication of a transparent laminated product (1981-03-24),
4. 4230766 - Fiber-base composite material having high tensile strength (1980-10-28),
5. 4196065 - Hydrophobic substrate with grafted hydrophilic inclusions (1980-04-01),
6. 4001462 - Process for coating surfaces having a base of epoxy resins modified by (1977-01-04),

Title: The Innovative Contributions of Francis Lemaire

Introduction

Francis Lemaire is a notable inventor based in Clamart, France. He has made significant contributions to the field of materials science, particularly in the development of advanced diaphragms and painting processes. With a total of 6 patents to his name, Lemaire's work has implications for both energy production and infrastructure.

Latest Patents

Lemaire's latest patents include a process for the production of a cation exchange diaphragm and a cation exchanger diaphragm that can be utilized as a solid electrolyte. This innovative diaphragm features a grafted copolymer film, specifically polyethylene grafted by styrene. It boasts an exchange capacity exceeding 0.5 meq/g, a resistivity below 100 Ω.cm, a swelling in water exceeding 30% compared to its dry mass, and a permeability to oxygen and hydrogen that ensures the purity of these gases exceeds 98% during water electrolysis. Additionally, he has developed a process for painting that can be used for marking roads. This process involves applying a coating of paint containing a polymerizable binder with added peroxide, which is then irradiated with ultraviolet rays. This method is particularly effective for marking road surfaces.

Career Highlights

Lemaire is associated with the Commissariat à l'Énergie Atomique et aux Énergies Alternatives, where he has been able to apply his innovative ideas in a collaborative environment. His work has not only advanced scientific understanding but has also led to practical applications in various industries.

Collaborations

Throughout his career, Lemaire has collaborated with notable colleagues such as Gilbert Gaussens and Jacques Guerrini. These partnerships have fostered a rich exchange of ideas and have contributed to the success of his projects.

Conclusion

Francis Lemaire's contributions to innovation in materials science are noteworthy. His patents reflect a commitment to advancing technology in energy and infrastructure. His work continues to influence the fields in which he operates, showcasing the importance of innovation in solving contemporary challenges.

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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