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:
Nov. 25, 1997
Filed:
Oct. 15, 1993
Applicant:
Inventors:
Barry T Reece, London, GB;
Michael G Rozen, Irving, TX (US);
David A Deeds, Dallas, TX (US);
Dale K Roberts, Sanger, TX (US);
Assignee:
Mary Kay Cosmetics, Inc., Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
435-792 ; 2504931 ; 424 59 ; 424 60 ; 424 852 ; 422 50 ; 422 55 ; 422 8205 ; 435 79 ; 435-4 ; 4352871 ; 4352872 ; 4352883 ; 4352884 ; 4352887 ; 436501 ; 436809 ; 436815 ;
Abstract
A system and method is disclosed employing a full thickness skin model for determining minimum sun protection factors (SPFs) of various sunscreen formulations by measuring the release of an inflammatory mediator in the skin model.