Patents Assigned to Chemisch Adviesbureau Drs. J.C.P. Schreuder B.V.
  • Patent number: 4783332
    Abstract: A skin tanning composition comprising (a) 5 to 50% by weight of an oil fraction of straight or branched paraffinic oils of 10 to 30 carbon atoms with a boiling range of 100.degree. to 500.degree. C. at atmospheric pressure and a viscosity of at most 35 centistokes at 25.degree. C. optionally containing up to 6% by weight of esters of optionally unsaturated higher natural fatty acids and optionally unsaturated natural aliphatic alcohols of up to 20 carbon atoms, (b) 1 to 10% by weight of an emulsifying system comprising (1) 1 to 10% by weight of mono and/or diglycerides of higher optionally unsaturated natural fatty acids and (2) ethoxylated glycerides esterified with fatty acids of the formula ##STR1## wherein n is an integer from 5 to 20 and the R's are individually an optionally unsaturated fatty acid residue derived from animal or vegetable oils with a ratio of 10 to 100 parts by weight of (1) per part by weight of (2), (c) 1.
    Type: Grant
    Filed: June 19, 1987
    Date of Patent: November 8, 1988
    Assignee: Chemisch Adviesbureau Drs. J.C.P. Schreuder B.V.
    Inventor: J. C. P. Schreuder
  • Patent number: RE33845
    Abstract: A skin tanning composition comprising (a) 5 to 50% by weight of an oil fraction of straight or branched paraffinic oils of 10 to 30 carbon atoms with a boiling range of 100.degree. to 500.degree. C. at atmospheric pressure and a viscosity of at most 35 centistokes at 25.degree. C., optionally containing up to 6% by weight of esters of optionally unsaturated higher natural fatty acids and optionally unsaturated natural aliphatic alcohols of up to 20 carbon atoms, (b) 1 to 10% by weight of an emulsifying system comprising (1) 1 to 10% by weight of mono and/or diglycerides of higher optionally unsaturated natural fatty acids and (2) ethoxylated glycerides esterified with fatty acids of the formula ##STR1## wherein n is an integer from 5 to 20 and the R's are individually an optionally unsaturated fatty acid residue derived from animal or vegetable oils with a ratio of 10 to 100 parts by weight of (1) per part by weight of (2), (c) .Iadd.(.Iaddend.1.0 to 5% by weight of a mixture.Iadd.) .Iaddend..Iadd.
    Type: Grant
    Filed: December 20, 1990
    Date of Patent: March 10, 1992
    Assignee: Chemisch Adviesbureau Drs. J.C.P. Schreuder B.V.
    Inventor: J. C. P. Schreuder