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. 05, 1984
Filed:
Jun. 01, 1982
Applicant:
Inventors:
George E Deckner, Westfield, NJ (US);
Hedwig O'Grady, Holmdel, NJ (US);
Albert Zofchak, Matawan, NJ (US);
Assignee:
Charles of the Ritz Group Ltd., New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548537 ; 2525 / ; 424 63 ; 424 64 ; 424 69 ; 424 70 ; 424358 ; 424365 ; 548534 ;
Abstract
Derivatives of 2-pyrrolidone-5-carboxylic acid having excellent moisturizing properties are provided which have the structure ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and are lower alkyl and aralkyl and n is 1 to 8 and including cationic salts thereof such as the pyrrolidone carboxylic acid salt thereof. These compounds are useful as moisturizing agents. Cosmetics, shampoos, hair conditioners and skin toners containing such compounds are also provided.