Invention Grant
- Patent Title: Colour changing composition in emulsion form comprising a partially neutralized, crosslinked acrylic homopolymer or copolymer
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Application No.: US14772989Application Date: 2014-03-05
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Publication No.: US09889073B2Publication Date: 2018-02-13
- Inventor: Audrey Ricard , Micheline El Achkar
- Applicant: L'OREAL
- Applicant Address: FR Paris
- Assignee: L'OREAL
- Current Assignee: L'OREAL
- Current Assignee Address: FR Paris
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: EP13305255 20130306
- International Application: PCT/IB2014/059454 WO 20140305
- International Announcement: WO2014/136061 WO 20140912
- Main IPC: A61K8/11
- IPC: A61K8/11 ; A61K8/81 ; A61K8/06 ; A61K8/37 ; A61K8/73 ; A61K8/19 ; A61K8/02 ; A61K8/29 ; A61K8/55 ; A61Q1/02 ; A61K8/34 ; A61Q19/00

Abstract:
The instant invention relates to a color changing composition in the form of an emulsion comprising, at least: a) microcapsules containing releasable colorant(s), said microcapsules comprising: —a core comprising one organic material, —at least one layered coating surrounding said core, the layered coating comprising at least one polymer, at least one colorant, and advantageously at least one lipid-based material, b) at least partially neutralized, crosslinked acrylic homopolymers or copolymers preferably in a non-particulate form.
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