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:
Sep. 10, 2013
Filed:
Sep. 09, 2009
Applicants:
Limin Liu, Palatine, IL (US);
Ralph Spindler, Palatine, IL (US);
Gholam-reza Vakili-tahami, Naperville, IL (US);
Inventors:
Limin Liu, Palatine, IL (US);
Ralph Spindler, Palatine, IL (US);
Gholam-Reza Vakili-Tahami, Naperville, IL (US);
Assignee:
Amcol International Corporation, Hoffman Estates, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/16 (2006.01); A61K 9/107 (2006.01); A61K 8/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A low pH composition containing a retinol and a method for treating skin is disclosed. The composition contains (a) a retinoid and (b) an active acid, like an alpha-hydroxy acid or a beta-hydroxy acid, and has a pH of less than 5.