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. 02, 1998
Filed:
Oct. 02, 1996
Applicant:
Inventors:
Howard Epstein, Rochester, NY (US);
Matthew S Jonasse, Sodus, NY (US);
Assignee:
Bausch & Lomb Incorporated, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424401 ; 424 7028 ; 514938 ; 514847 ;
Abstract
A oil-in-water emulsion for treating the skin comprising from about 2 to about 10 weight percent of a cationic emulsifier such as dimethyl distearyl ammonium halide, a substantially nonionizable humectant such as glycerine and a weakly acidic material having a disassociation constant of about 1 to 6. The amount of weakly acidic material is such that the pH of the finished emulsion is about 2.5 to 4.5. Also disclosed is a method of preparing the emulsion.