Silicone ester quaternary compounds
Patent 5166297 Issued on November 24, 1992. Estimated Expiration Date: 
January 21, 2012. 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.
January 21, 2012. 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 Guerbet quaternary compounds Ether amine functional silicone polymers Silicone amphoteric polymers Novel silicone quaternary compounds Patent #: 5098979 InventorApplicationNo. 822752 filed on 01/21/1992US Classes:528/26, Organic Si-free reactant is a carboxylic acid or derivative525/474, Solid polymer derived from silicon-containing reactant528/15, Material contains a Group VIII metal atom528/31Silicon reactant contains a silicon-to-hydrogen bondExaminersPrimary: Bleutge, John C.Assistant: Glass, M. W. International ClassC08G 077/06AbstractThe present invention is directed to a novel dimethicone copolyol halo ester intermediate which conforms to the following structure; ##STR1## wherein R" is --C(O)--CH2 --Cl;a is an integer from 0 to 200;b is an integer from 0 to 200;c is an integer from 1 to 200;R1 is selected from --(CH2)n CH3 or phenyl;n is an integer from 0 to 10;R2 is --(CH2)3 --(OCH2 CH2)x--(OCH2 CH(CH3))y--(OCH2 CH2)z--OH;x, y and z are integers and are independently selected from 0 to 20, which is useful as an intermediate for reaction with amines to prepare silicone based quaternary compounds. | |
