Frédéric Legrand

This inventor holds 6 USPTO granted patents. Top assignees: Loreal Sa, L'oreal. Active years: 2001-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Frédéric Legrand. Retrieved from https://idiyas.com/inventor/frandeacutedandeacuteric-legrand

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 = 66.7

Average Co-Inventor Count = 1.7

ph-index = 3

Forward Citations = 131(Granted Patents)

Location History:

Boulogne Billancourt, FR (2001 - 2004)
Billancourt, FR (2004)

Company Filing History:

Years Active: 2001-2004

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6800098 - Oxidation dye composition for keratinic fibres containing a thickening polymer with an ether plastic skeleton (2004-10-05),

2. 6800096 - Composition, process and kit for bleaching keratin fibers comprising at least one thickening polymer with an aminoplast-ether skeleton (2004-10-05),

3. 6641618 - Ready-to-use aqueous composition for bleaching keratin fibers, comprising a combination of a water-soluble solvent and a nonionic and/or anionic amphiphilic polymer comprising at least one fatty chain (2003-11-04),

4. 6444197 - Bleaching composition for keratin fibers, comprising a combination of two polyurethane polyethers (2002-09-03),

5. 6379401 - Anhydrous composition for bleaching keratin fibers comprising a combination of a water-soluble thickening polymer and a nonionic amphiphilic polymer comprising at least one fatty chain (2002-04-30),

6. 6260556 - Anhydrous composition for bleaching keratin fibers (2001-07-17),

Title: Frédéric Legrand: Innovator in Keratin Fiber Treatments

Introduction

Frédéric Legrand is a notable inventor based in Boulogne Billancourt, France. He has made significant contributions to the field of keratin fiber treatments, particularly in hair care. With a total of 6 patents to his name, Legrand has developed innovative solutions that enhance the effectiveness of hair bleaching and dyeing processes.

Latest Patents

Legrand's latest patents include a composition, process, and kit for bleaching keratin fibers. This invention features at least one thickening polymer with an aminoplast-ether skeleton. The ready-to-use composition allows for effective bleaching of human keratin fibers, such as hair, without running or losing viscosity over time. Another significant patent is an oxidation dye composition for keratinic fibers, which contains a thickening polymer with a plastic ether skeleton. This invention is designed for dyeing human keratinic fibers and includes a suitable medium for the dyeing process, along with methods and devices for its application.

Career Highlights

Throughout his career, Frédéric Legrand has worked with prominent companies in the beauty industry, including L'Oréal SA. His work has focused on developing advanced formulations that improve the quality and performance of hair care products.

Collaborations

Legrand has collaborated with notable professionals in his field, including Jean Marie Millequant and Delphine Allard. These partnerships have contributed to the success of his innovative projects and patents.

Conclusion

Frédéric Legrand's contributions to the field of keratin fiber treatments have established him as a leading inventor in the beauty industry. His innovative patents continue to influence hair care practices and enhance the consumer experience.

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]