Hair conditioning waving and straightening compositions and methods
Patent 4175572 Issued on November 27, 1979. Estimated Expiration Date: 
July 22, 1997. 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.
July 22, 1997. 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 References3912808 InventorsAssigneeApplicationNo. 05/818282 filed on 07/22/1977US Classes:132/204, Relaxing or reducing agent followed by fixing or neutralizing agent (e.g., "permanent")424/70.16, Poly(meth)acrylic acid, salt, or copolymer thereof424/70.17, Polyamine, polyamide, or derivatives thereof424/70.2, Permanent waving or straightening424/70.31Nonionic surfactant containingExaminersPrimary: McNeill, G. E.Attorney, Agent or FirmInternational ClassesA61K 8/72 (20060101)A61K 8/81 (20060101) A61K 8/19 (20060101) A61Q 5/12 (20060101) A61Q 5/04 (20060101) AbstractA hair conditioner composition for use under highly alkaline conditions comprising an aqueous dispersion containing from about 1 to about 20 weight percent of mineral oil, from about 1 to about 20 weight percent of a fatty alcohol having 12 to 18 carbon atoms, from about 1 to about 15 weight percent of a non-ionic emulsifier, and from about 0.05 to 20 weight percent of a quaternary polymer having recurring units of the formula ##STR1## and compositions and methods for waving or straightening hair employing the above hair conditioner composition and a hair waving or straightening solution containing sufficient sodium hydroxide to provide a pH of about 12 to 13. | |
