Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1980-04-25
1982-12-28
Niebling, John F.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
424 64, 525279, 525285, 526258, 526318, 5263487, 525283, 525303, 525296, 525301, 525293, 526320, 526304, 526317, 5263078, 526312, 5263077, C08F 1914
Patent
active
043660991
ABSTRACT:
A process for reducing the volatility and improving the emulsifying power of an unsaturated or saturated cosmetic oil comprising heating the cosmetic oil, in the absence of a solvent and under an inert atmosphere, with a homopolymerizable and hydrophilic monomer in the presence of an initiator generating free radicals. The monomer is selected from the group consisting of N-vinylpyrrolidone, 2-hydroxymethyl acrylate, 2-hydroxymethyl methacrylate, acrylamide, methacrylamide, N-hydroxymethyl acrylamide, N-(carboxyhydroxy) methacrylamide, acrylic acid, methacrylic acid, 2-vinylpyridine, 4-vinylpyridine and a monomer having the formula, ##STR1## wherein R is hydrogen or methyl, Y is O or NH, r' is methyl or ethyl and n is 2 or 3. The resulting modified oil is then purified to remove any insoluble nongrafted homopolymer.
REFERENCES:
patent: Re30747 (1981-09-01), Muszik et al.
patent: 2863784 (1958-12-01), Hillyer
patent: 3010925 (1961-11-01), Lynn
patent: 3166524 (1965-01-01), Schmidle et al.
patent: 3873584 (1979-03-01), Burke et al.
Gaetani Quintino
Papantoniou Christos
Niebling John F.
Societe Anonyme dite: "L'Oreal"
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