Pyroglutamic acid esters, their synthesis and use in topical pro

Details Pyroglutamic acid esters, their synthesis and use in topical pro Pyroglutamic acid esters, their synthesis and use in topical pro

1991-04-26

1993-03-02

Brust, Joseph Paul

Drug, bio-affecting and body treating compositions

Cosmetic, facial

Facial moisturizer

424 59, 548519, 548534, A61K 740, A61K 748, C07D20712

Patent

active

051909804

ABSTRACT:
The invention relates to esters of pyroglutamic acid, their synthesis and their use in products for topical application to human skin as precursors of pyroglutamic acid.

REFERENCES:
patent: Re29003 (1976-10-01), Furienmeier et al.
patent: 3839322 (1974-10-01), Furlenmeier et al.
patent: 3956323 (1976-05-01), Furlenmeier et al.
patent: 3957758 (1976-05-01), Furlenmeier et al.
patent: 4774255 (1988-09-01), Black et al.
Noller, "Chemistry of Organic Compounds", 3rd ed: 1965, p. 183.
J. G. Barrett, et al.; (1983), "J. Innest. Dermatol", 81, pp. 122-124.
I. R. Scott, et al.; (1982), "Biochimica et Biophysica Acta.", (1982), 719, pp. 110-117.
I. R. Scott-C. R. Harding and J. G. Barrett (1982) "Histidine-rich Protein of the Keratohyalin Granules", Bio. Chem.
Chemical Abstract 98:77945 (1983) (JF-A-57 91933-Pola Chemical Industries Inc.).
Hack's Chemical Dictional (4th edition) p. 25.
Webster's New Collegiate Dictionary, (1980 edition) p. 596.

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