Method of stabilizing a UVB absorbing compound, a stabilized UV

Details Method of stabilizing a UVB absorbing compound, a stabilized UV Method of stabilizing a UVB absorbing compound, a stabilized UV

1988-09-08

1991-03-19

Ore, Dale R.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

424DIG1, 424DIG2, 424 47, 424 60, 424 62, 424 63, 424 64, 424 69, 424 70, 424 78, 424 79, 424 80, 424 81, 426654, 514844, 514845, 514937, 514938, 514939, 514972, A61K 7027, A61K 706, A61K 742, A61K 748

Patent

active

050009451

ABSTRACT:
A process for stabilizing a specific UVB absorbing compound which comprises adding to said UVB absorbing compound at least one specific UVA absorbing compound in an amount of 0.1-10 parts by weight based on 1 part by weight of UVB absorbing compound is disclosed and also a cosmetic composition and a UV absorber, both containing said specific UVB absorbing compound and said specific UVA absorbing compound, respectively.

REFERENCES:
patent: 4264581 (1981-04-01), Kerkhof et al.
patent: 4710373 (1987-12-01), Nakamura
Chemical Abstracts, vol. 56, No. 7, Apr. 1962, abstract No. 7299b, Columbus, Ohio, U.S.; Osamu Shimomura et al., "5-Imidazolone. I. Syntheses and Ultraviolet Absorption Spectra of 1,2,4-Trisubstituted-5-Imidazolones."; Nippon Kagaku Zasshi 81, pp. 1434-1438.
Chemical Abstracts, vol. 57, No. 13, Dec. 1962, col. 16583b, Columbus, Ohio, U.S.; M. Vanghelovici et al.: "Oxazolone Series. IX. The Action of Cyclohexylamine and Ethylenediamine on Oxazolones."; & Stiinte Chim. 8, pp. 249-254.
Chemical Abstracts, vol. 54, No. 9, May 1960, Abstract No. 8788f, Columbus, Ohio, U.S.; Robert Pfleger et al.: "Reactivity of the Methyl Group in 2-Methyl-4-Banzal-5-Imidazoles"; & IBID, pp. 1494-1499.
Chemical Abstracts, vol. 88, No. 3, Jan. 16, 1978, p. 621, col. 2, Abstract No. 22747t, Columbus, Ohio, U.S.; Shalaby et al., "Chemical Reactivity of 2-Thiohydantoin Derivatives"; & Org. Chem. 1977, 32B(8), pp. 948-953.
Chemical Abstracts, vol. 104, No. 7, Feb. 17, 1986, p. 515, col. 2, Abstract No. 50807e, Columbus, Ohio, U.S.; K. Pradeep Triphathy et al.: "A Facile Synthesis of N-Substituted 2-Acylamino-2-Alkenamides"; & Synthesis, 1985 (3), pp. 285-288.
Chemical Abstracts, vol. 103, No. 12, Sep. 23, 1985, p. 310, col. 2, Abstract No. 92707g, Columbus, Ohio, U.S.; Weiqin Liu et al.: "Measurement of Partition Coefficients of Cinnamamide Compounds"; & Beijing Yixueyuan Xuebao, 1983, 15(1), pp. 75-81.
Chemical Abstracts Service Registry Handbook, Number Section 1986 Supplement, p. 963RO, col. 2, Source: U.S. National Library of Medicine.

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