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:
Mar. 29, 2011
Filed:
Sep. 21, 2007
Bertrand Lion, Luzarches, FR;
Nathalie Martin, Viarnes, FR;
Béatrice Toumi, Verrieres le Buisson, FR;
Bertrand Lion, Luzarches, FR;
Nathalie Martin, Viarnes, FR;
Béatrice Toumi, Verrieres le Buisson, FR;
L'Oreal S.A., Paris, FR;
Abstract
The present invention relates to novel block polymers comprising at least one first block and at least one second block that are incompatible with each other, have different glass transition temperatures (Tg), and are linked together via an intermediate segment comprising at least one constituent monomer of the at least one first block and at least one constituent monomer of the at least one second block. The block polymer has a polydispersity index I of greater than 2. The invention also relates to cosmetic compositions comprising the block polymers and processes for their use.