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For the Inventor, By the Inventor

Sartrouville, France

Christine Rondeau

This inventor holds 35 USPTO granted patents and 20 EPO patents, primarily in Keratin Fiber Dyeing. Top assignees: Loreal Sa, L'oreal, Other. Active years: 1998-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Christine Rondeau. Retrieved from https://idiyas.com/inventor/christine-rondeau

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

USPTO Granted Patents = 35

% Patents Active = 65.7

 

Average Co-Inventor Count = 1.9

ph-index = 12

Forward Citations = 456(Granted Patents)


Company Filing History:

goldMedal24 out of 978 
 
Loreal Sa
 patents
silverMedal10 out of 5,240 
 
L'oreal
 patents
bronzeMedal1 out of 834,513 
Other
 patents

Years Active: 1998-2011

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Areas of Expertise:
Oxidation Dyeing
Keratin Fibers
Cationic Dyes
Associative Polymers
Fatty Alcohols
Thickening Polymers
Aminosilicones
Direct Dyeing
Polyoxyethylenated Surfactants
Quaternary Ammonium Salts
Dye Compositions
Human Keratinous Fibers
35 patents (USPTO):Explore Patents
1. 7972387 - Composition for dyeing keratin fibers comprising at least one oxidation base and a polyoxyethylenated sorbitan ester (2011-07-05),
2. 7811336 - Compositions comprising at least one aminated silicone and monoethanolamine, and methods and devices for use thereof (2010-10-12),
3. 7771492 - Compositions for oxidation dyeing keratin fibers comprising at least one thickening polymer comprising at least one fatty chain and at least one fatty alcohol chosen from monoglycerolated fatty alcohols and polyglycerolated fatty alcohols (2010-08-10),
4. 7771491 - Oxidation dye composition for keratin fibers, comprising at least one oxidation dye, at least one associative polymer, at least one nonionic cellulose-based compound not comprising a C8-C30 fatty chain, and at least one cationic polymer with a charge density of greater than 1 meq/g and not comprising a C8-C30 fatty chain (2010-08-10),
5. 7722682 - Composition for the oxidation dyeing of keratin fibers, comprising at least one fatty alcohol, at least one oxidation dye, at least one associative polymer, and at least one compound chosen from fatty acid esters and metal oxides (2010-05-25),
6. 7695526 - Composition for the oxidation dyeing of keratin fibers, comprising, at least one oxidation dye, at least one fatty alcohol, at least one associative polymer, and at least one C14-C30 alkyl sulphate (2010-04-13),
7. 7691155 - Composition for the oxidation dyeing of keratin fibers, comprising at least one oxidation dye, at least one associative polymer, and at least one aminosilicone (2010-04-06),
8. 7645303 - Composition for the oxidation dyeing of human keratinous fibres (2010-01-12),
9. 7507260 - Composition for dyeing keratinous fibres with a cationic direct dye and a silicone (2009-03-24),
10. 7485157 - Dye composition for keratin fibers, with a cationic direct dye and a substantive polymer (2009-02-03),
11. 7458993 - Composition useful for the oxidation dyeing of human keratinous fibres (2008-12-02),
12. 7442215 - Process for coloring keratin fibers comprising treating the scalp with at least one sorbitan ester (2008-10-28),
13. 7431740 - Oxidation dyeing composition for keratinous fibers comprising an associative polymer and a pearling agent (2008-10-07),
14. 7410505 - Composition for the oxidation dyeing of keratin fibers, comprising at least one oxidation dye, at least one associative polymer, and at least one aminosilicone (2008-08-12),
15. 7364594 - Dyeing composition for keratinous fibres comprising an associative polymer and a polymer with acrylamide units, dialkyldiallylammonium halide, and vinylic carboxylic acid (2008-04-29),

Title: Christine Rondeau - Innovator in Hair Dyeing Technologies

Introduction

Christine Rondeau is a prolific inventor based in Sartrouville, France, renowned for her contributions to the field of hair dyeing technologies. With an impressive portfolio of 35 patents, Rondeau has made significant advancements that enhance the safety and efficacy of hair coloring products. Her work is instrumental in developing innovative solutions that cater to the evolving needs of consumers.

Latest Patents

Two of Rondeau's latest patents showcase her expertise in creating compositions for dyeing keratin fibers. The first patent involves a composition that includes at least one oxidation base and a polyoxyethylenated sorbitan ester. This innovative formulation allows for strong coloration while minimizing scalp discomfort during and after application. The second patent focuses on compositions that utilize aminated silicone and monoethanolamine in dyeing keratinous fibers, enhancing the overall quality and longevity of the hair dye experience.

Career Highlights

Throughout her career, Christine Rondeau has worked with prestigious companies such as L'Oréal S.A. and L'Oréal. Her roles in these organizations have positioned her at the forefront of hair care research and product development. Rondeau's dedication to innovation and her ability to translate research into commercially viable products have made her a key figure in the industry.

Collaborations

During her journey, Rondeau has collaborated with notable colleagues, including François Cottard and Jean Cotteret. Working alongside such talented professionals has allowed her to contribute to groundbreaking research and the advancement of hair dyeing technologies.

Conclusion

Christine Rondeau's impact on the hair care industry is undeniable. Through her extensive patent portfolio and collaborations, she continues to drive innovation in products that enhance the beauty and safety of hair coloring. Her work not only showcases her ingenuity as an inventor but also reflects her commitment to improving consumer experiences in hair treatments.

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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