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. 04, 1997
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Ruey J Yu, Ambler, PA (US);
Eugene J Van Scott, Abington, PA (US);
Assignee:
Tristrata, Incorporated, Princeton, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
514557 ; 514844 ; 514847 ; 514873 ;
Abstract
Methods for improved topical delivery of lactic acid comprising forming a topically acceptable composition by admixing lactic acid and an amphoteric or pseudoamphoteric agent, and applying said topically acceptable composition to the skin.