Oxidation dyes comprising aromatic diamines and coupling components
Abstract
Abstract A COMPOSITION FOR TREATMENT OF HUMAN HAIR COMPRISING A SUBSTANTIALLY 0.1 TO 5.0 WEIGHT PERCENT AQUEOUS SOLUTION OF A DEVELOPER PLUS A COUPLING AGENT IN QUANTITIES RANGING FROM SUBSTANTIALLY EQUIMOLAR TO A SLIGHT EXCESS OF THE DEVELOPER; SAID DEVELOPER HAVING THE FORMULA 1-(R1-N(-R2)-),4-(X-R4-NH-),R3-BENZENE WHEREIN R1 AND R2 INDIVIDUALLY ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, LOWER HYDROXYALKYLS, BETA METHYL SULFONAMIDOETHYL, HYDROXYETHYLS, LOWER ALKYLS AND INTERCONNECTED LOWER ALKYLS; R3 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, LOWER ALKYL AND LOWER ALKOXY; R4 IS LOWER ALKYL; AND X IS SELECTED FROM THE GROUP CONSISTING OF -COOH, -SO3H, -PO3H2 AND -PO2H2, THEIR WATER SOLUBLE SALTS, THEIR ACID AMIDES AND ESTERS WITH ALIPHATIC ALCOHOLS HAVING 1-4 CARBON ATOMS; SAID COUPLING AGENT BEING SELECTED FROM THE GROUP CONSISTING OF O-AND M-PHENYLENEDIAMINE; O-AND M-AMINOPHENOL; O- AND MTOLUYLENEDIAMINE; O-ANISIDINE; 2,4-DIAMINOANISOLE; 2,4-DIAMINOPHENOL; PYROGALLOL; RESORCINOL; PYROCATECHOL; ALPHANAPHTOL; AMINORESORCINOL; 1,5 -AMINOHYDROXY-NAPHTHALENE; AND 1,8-DIAMINOHYDROXYNAPHTHALENE; AND A METHOD FOR USE THEREOF.
Inventors
- 👤 Karl-Josef Boosen
- 👤 Peter Berth
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |