Two-component peroxide hair bleaching compositions
Patent 4226852 Issued on October 7, 1980. Estimated Expiration Date: 
April 5, 1999. 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.
April 5, 1999. 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 3152181 3812247 3816614 Two-part hair dye or hair bleach package Patent #: 3931912 InventorsApplicationNo. 06/027512 filed on 04/05/1979US Classes:424/62, BLEACH FOR LIVE HAIR OR SKIN (E.G., PEROXIDES, ETC.)132/208, Dyeing or bleaching252/186.25, Composition containing a stabilizer or a product in the form of a surface-modified, impregnated, encapsulated, or surface-coated article; or process of producing said composition8/111Peroxides or oxygenExaminersPrimary: Robinson, Allen J.Attorney, Agent or FirmInternational ClassesD06L 3/00 (20060101)D06L 3/02 (20060101) Foreign Application Priority Data1977-02-05 DEAbstractA two-component composition for bleaching hair comprising a peroxide oxidation agent, an ammonia-free alkalinization agent and a guanidine derivative of the formula ##STR1## as bleaching accelerator, wherein R is hydrogen, ##STR2## Y is hydrogen, NH2, or akyl having 1 to 4 carbon atoms, and n is 2 or 3, or an acid addition salt thereof. | |
