Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1982-06-01
1984-06-05
Brust, Joseph Paul
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
252522R, 424 63, 424 64, 424 69, 424 70, 424358, 424365, 548534, C07D20728
Patent
active
044529899
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.
REFERENCES:
patent: 2890979 (1959-06-01), Korner
patent: 3002978 (1961-10-01), Bocher
patent: 3051722 (1962-08-01), Biel
patent: 3948943 (1976-04-01), Eberhardt et al.
patent: 3952011 (1976-04-01), Dazai et al.
C.A., vol. 83 (1975), 28562x, Eberhardt et al.
Chem. Abstracts, vol. 87 (1977), 202159r, (Marini).
Chem. Abstracts, vol. 51 (1957), 17880d, (Angier et al.).
Chem. Abstracts (1961), 21094e, vol. 55, (Cocolas et al.).
Chem. Abstracts, vol. 65 (1966), 2199g, (Brunet et al.).
Deckner George E.
O'Grady Hedwig
Zofchak Albert
Brust Joseph Paul
Charles of the Ritz Group Ltd.
Levinson Lawrence S.
Rodney Burton
LandOfFree
Substantive moisturizing derivatives of 2-pyrrolidone-5-carboxyl does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Substantive moisturizing derivatives of 2-pyrrolidone-5-carboxyl, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Substantive moisturizing derivatives of 2-pyrrolidone-5-carboxyl will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1498730