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:
Oct. 21, 2014
Filed:
Jul. 02, 2010
Applicants:
Guillaume Kergosien, Chaville, FR;
Ludovic Thevenet, Bourg la Reine, FR;
Inventors:
Guillaume Kergosien, Chaville, FR;
Ludovic Thevenet, Bourg la Reine, FR;
Assignee:
L'Oreal, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A45D 29/00 (2006.01); A45D 44/00 (2006.01); A45D 31/00 (2006.01); A45D 44/12 (2006.01); G02F 1/157 (2006.01);
U.S. Cl.
CPC ...
A45D 29/001 (2013.01); A45D 31/00 (2013.01); A45D 44/00 (2013.01); A45D 44/12 (2013.01); A45D 2029/002 (2013.01); A45D 2031/005 (2013.01); G02F 1/157 (2013.01);
Abstract
A cosmetic device for applying to human keratinous materials, the device including an electrochromic multilayer structure having an electro sensitive stack formed by at least: first and second electrode layers; first and second active electrochromic layers; and an electrolyte layer; and further including: an optically-active layer that is superposed, at least in part, on the electrosensitive stack.