The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 29, 2020
Filed:
Apr. 09, 2018
L'oreal, Paris, FR;
Sandrine Chodorowski-Kimmes, Aulnay-sous-Bois, FR;
L'OREAL, Paris, FR;
Abstract
Hair dyeing process comprising a phosphonic ethylenic polymer and a pigment The invention relates to a process for dyeing hair comprising at least one pigment and at least one phosphonic polymer derived from the polymerization of: (a) 45% to 95% by weight of ethylenic monomer bearing an at least Clinear or branched alkyl group; (b) 5% to 25% by weight of vinylphosphonic acid monomer; (c) 0 to 50% by weight of additional monomer chosen from: (i) linear or branched C-Calkyl (meth)acrylate or C-Ccycloalkyl (meth)acrylate non-silicone monomers; (ii) specific polydimethylsiloxane silicone monomers bearing a mono(meth)acryloyloxy end group.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile