Hair bleach containing a thiocyanate catalyst
Abstract
Abstract A BLEACH FOR HUMAN HAIR, IN AQUEOUS EMULSION FORM, WHICH SAFELY AND QUICKLY BLEACHES THE HAIR, INCLUDES, AS ACTIVE BLEACHING CONSTITUENTS, A MIXTURE OF PRE-COMPOUND, E.G., SODIUM PERSULFATE, AMMONIUM PERSULFATE, SODIUM CARBONATE PEROXIDE, AND HYDROGEN PEROXIDE A CATALYST FOR AIDING THE RELEASE OF OOXYGEN FROM SUCH MATERIALS, E.G., AMMONIUM THIOCYANATE, WATER AND EMULSIFYING MATERIALS, E.G., AMMONIUM OLEATE. THE BLEACHING COMPOSITION IS PREPARED SHORTLY BEFORE USE BY QUICKLY COMBINING AT LEAST PARTIALLY PRE-MIXED PORTIONS THEREOF AND IS APPLIED PROMPTLY TO THE HAIR TO BE BLEACHED, ON WHICH THE COMPOSITION FORMS A FOAM OF LIMITED HEIGHT AND OF A SUFFICIENT VISCOSITY TO HOLD IN CONTACT WITH THE HAIR THE BLEACHING CONSTITUENTS AND OXYGEN RELEASED.
Inventors
- 👤 F Bucaria
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-08 | 1978-01-07 | 1978-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-08 | 1982-01-07 | 1982-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-08 | 1986-01-07 | 1986-07-09 | $7700.00 | Window Closed / Lapsed |