Verrieres-le-Buisson, France

Nathalie Jager Lezer

This inventor holds 18 USPTO granted patents and 9 published patent applications and 13 EPO patents, primarily in Cosmetic Formulations. Top assignees: L'oreal, Loreal Sa. Active years: 2001-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nathalie Jager Lezer. Retrieved from https://idiyas.com/inventor/nathalie-jager-lezer

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

USPTO Granted Patents = 18 

% Patents Active = 22.2

 

Average Co-Inventor Count = 1.9

ph-index = 5

Forward Citations = 133(Granted Patents)


Location History:

  • Bourg la Reine, FR (2001 - 2011)
  • Verrières-le-Buisson, FR (2010 - 2015)
  • Verrieres-le-Buisson, FR (2011 - 2021)

Company Filing History:


Years Active: 2001-2021

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Areas of Expertise:
Cosmetic Composition
Keratin Fibres
Eyelash Makeup
Film-Forming Polymer
Silicon-Free Polymer
Hypoallergenic Makeup
Aqueous Dispersion
Foam Composition
Contour Modification
Cosmetic Treatment
Care Composition
Lipophilic Phase
18 patents (USPTO):Explore Patents

Title: The Innovative Mind of Nathalie Jager Lezer

Introduction: Nathalie Jager Lezer, a prominent inventor based in Verrières-le-Buisson, France, has an impressive portfolio of 18 patents. Her groundbreaking work primarily focuses on innovations in cosmetic treatments for keratin fibers, which has significant implications for the beauty industry.

Latest Patents: Among her latest patents, Nathalie has introduced a cosmetic treatment aimed at enhancing keratin fibers. The invention revolves around a unique cosmetic assembly that includes a composition with a melting point ranging from 40°C to 120°C, containing at least 15% by weight of meltable compounds. This composition is used with a specialized device that features a mold designed with cavities where the fibers can be partially introduced, allowing for a targeted application of the treatment. Furthermore, she has developed a cosmetic composition specifically for coating keratin fibers, enhancing their appearance and texture.

Career Highlights: Nathalie's career includes significant contributions while working with renowned companies like L'Oréal and L'Oréal SA. Her dedication to research and development in cosmetic chemistry has earned her numerous patents that advance beauty technologies, reflecting her pioneering spirit in the field.

Collaborations: Throughout her career, Nathalie has collaborated with talented professionals, including Philippe Ilekti and Henri Samain. These partnerships have likely influenced her innovative approach, merging various expertise to produce effective cosmetic solutions.

Conclusion: Nathalie Jager Lezer exemplifies the spirit of innovation within the beauty industry. With her extensive patent portfolio and a commitment to refining cosmetic treatments for keratin fibers, she continues to shape the future of hair care and cosmetics. Her work not only enhances the functionality of cosmetic products but also reflects a deep understanding of materials and their applications in everyday beauty.

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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