Buffered emulsion compositions containing actives subject to aci

Details Buffered emulsion compositions containing actives subject to aci Buffered emulsion compositions containing actives subject to aci

1994-11-04

1999-08-03

Venkat, Jyothsna

Drug, bio-affecting and body treating compositions

Bleach for live hair or skin

424401, 514 75, 514183, 514210, 514212, 514317, 514331, 514424, 514426, 514408, 514450, 514459, 514460, 514461, 514471, 514472, 514473, 514475, 514646, 514678, 514699, 514706, 514708, 514709, A61K 748

Patent

active

059321962

ABSTRACT:
The present invention are for emulsion compositions and the process for making such compositions containing biological and cosmetic actives subject to hydrolysis of actives during processing and storage of the emulsion composition. Buffers are incorporated into emulsion at a point wherein the acidic and basic conditions created during processing have little effect on compositions.

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patent: 4877654 (1989-10-01), Wilson
patent: 5037873 (1991-08-01), Heaton
patent: 5346693 (1994-09-01), Pilleux et al.
JP,6192062 Abstract, Patent Abstracts of Japan Oct. 17, 1994, (No. 542, vol. 018, Jul. 12, 1994).
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JP,63008314 Abstract, Patent Abstracts of Japan Jun. 15, 1988, (No. 209, vol. 012, Jan. 14, 1988).
Schick and Fowkes, Nonionic Surfactants, Surfactant Science Series, "Emulsification", (ed. M. J. Schick), vol. 2, pp. 607-613, New York, NY (1966).
Perin and Dempsey, Buffers for pH and Metal Ion Control, "Appendix II and III", pp. 139-157, published by Chapman and Hall Ltd. (1974).
Remington's Pharmaceutical Science, "Course Dispersions", (ed. J. E. Hoover) 15th Edition, pp. 335-337, Easton, PA, (1975).
Wilkinson and Moore, Harry's Cosmeticology, "Emulsions", 7th Edition, pp. 737-739, Great Britain (1982).
McCutcheon's vol. 1, Emulsifiers & Detergents, "HLB Index", pp. 237-239, Glen Rock, NJ (1994).

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