Method of conditioning hair
Patent 4494557 Issued on January 22, 1985. Estimated Expiration Date: 
September 20, 2002. 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.
September 20, 2002. 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 ReferencesCosmetic composition containing a cationic polymer and divalent metal salt for strengthening the hair Waving and straightening hair by producing metal chelates in the keratin of the hair Hair waving method with a prebonder System and method for hair treatment Patent #: 4303085 InventorApplicationNo. 06/419836 filed on 09/20/1982US Classes:132/204, Relaxing or reducing agent followed by fixing or neutralizing agent (e.g., "permanent")132/206, And application of heat132/207, And use of specific device424/70.4Metal salt containingExaminersPrimary: Rosen, SamAssistant: Foley, Shawn P. Attorney, Agent or FirmInternational ClassesA45D 7/04 (20060101)A45D 7/00 (20060101) A61K 8/64 (20060101) A61K 8/65 (20060101) A61K 8/30 (20060101) AbstractA method of conditioning human hair to provide a long lasting permanent hair wave includes the step of applying a reforming mixture to the hair after applying a wave solution but before applying a neutralizer solution. The reforming mixture includes magnesium sulfate, water and a hair reconstructor solution with a magnesium sulfate to reconstructor weight ratio within the range of from about 0.7 to 1 to about 2.7 to 1 and a water to reconstructor weight ratio within the range of from about 1 to 1 to about 3.5 to 1. | |
