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:
Jun. 13, 2006
Filed:
Jun. 10, 2003
Applicants:
Bernard Querleux, Le Perreux, FR;
Hervé Saint-jalmes, Lyons, FR;
Inventors:
Bernard Querleux, Le Perreux, FR;
Hervé Saint-Jalmes, Lyons, FR;
Assignee:
L'Oreal, , FR;
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/55 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods and apparatus for determining the optical characteristics of cosmetic substances are disclosed. The method includes illuminating the surface of the substance with an incident light beam so as to form a back-scatter spot, obtaining an image of the back-scatter spot, and analyzing the variations in brightness of the image at a number of points so as to determine the optical characteristic in question.