Siloxanes with betaine groups, their synthesis and use in cosmetic preparations
Patent 4654161 Issued on March 31, 1987. Estimated Expiration Date: 
May 7, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 7, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesHair conditioning compositions containing dialkylamino hydroxy organosilicon compounds and their derivatives Preparation for shrinkproofing wool Surface-active polysiloxanes Patent #: 4490356 InventorsAssigneeApplicationNo. 06/731501 filed on 05/07/1985US Classes:424/70.12, Silicon containing424/70.122, Amino or amido containing510/122, Silicon, boron, or phosphorus containing organic component510/125, With organic sulfoxy containing component (e.g., sulfate, sulfonate, etc.)510/126, Carboxamido containing component having an alkanol, carboxyl, or alkylamino substituent, or salt thereof510/128, With a urea or with polyoxyalkylene containing component devoid of covalently bonded anionic substituents510/466, Silicon in the component528/26, Organic Si-free reactant is a carboxylic acid or derivative528/28, Organic Si-free reactant is a nitrogen-containing compound528/33, Silicon reactant contains two or more silicon atoms528/41, Silicon containing carboxylic acid or derivative or from a silicon derivative of a nonsilicon containing carboxylic acid556/413, Nitrogen attached indirectly to silicon by nonionic bonding556/420, The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens556/437, The carbonyl is part of a -COO- group556/467Plural silicons in a reactantExaminersPrimary: Marquis, Melvyn I.Attorney, Agent or FirmInternational ClassesA61K 8/72 (20060101)A61K 8/893 (20060101) C08G 77/00 (20060101) C08G 77/388 (20060101) Foreign Application Priority Data1984-05-15 DEAbstractOrganopolysiloxanes that have betaine groups and are of the general formula ##STR1## in which R1 can represent the same or different groups in the molecule and may be an alkyl radical with 1 to 18 carbon atoms, an aryl radical or a polyoxyalkylene radical with the proviso that at least 70% of the R1 radicals are methyl radicals,R2 may be the same as R1, with the proviso that at least one R2 radical represents the ##STR2## in which R3 and R4 are different, one radical representing a hydroxyl group, and the other the ##STR3## in which R5 and R6 are the same or different and represent an alkyl radical with 1 to 4 carbon atoms or a benzyl radical, and n=1, 2, or 3,x has a value of 0 to 200, andy has a value of 1 to 50,as well as processes for their synthesis and their use in cosmetic preparations. |
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