Hair relaxer cream
October 17, 2011. 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 References 3017328 Hair conditioning waving and straightening compositions and methods Stable hair relaxer Hair straightening process and hair curling process and compositions therefor Stable hair relaxer Composition and method for hair treatment Hair relaxer Hair softening method and compositions Method of treating hair and anhydrous composition related thereto Hair relaxer cream InventorsAssigneeApplicationNo. 778570 filed on 10/17/1991US Classes:424/70.4, Metal salt containing424/70.19Two or more designated surfactant containingExaminersPrimary: Page, Thurman K.Assistant: Bensten, William E. Attorney, Agent or FirmForeign Patent References
International ClassA61K 007/09AbstractA highly alkaline, no-base hair relaxer cream composition is disclosed which is phase-stable on ageing. A composition of this invention is a highly alkaline cosmetic cream base that may be used directly as a no-base hair relaxer or as a no-lye cream that may be converted for use as a no-base, no-lye hair relaxer by admixture with an aqueous activator solution. A method for preparing such a phase-stable no-base hair relaxer cream composition is also disclosed.Other References
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