Patent US3399682A successfully refreshed from Google Patents.
US3399682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of simultaneously permanently dyeing and waving human hair
Assignee: Hoyu Shokai KK
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Filing: 1963-08-05
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Granted: 1968-09-03
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Expires: 1983-08-05
Abstract
No abstract record available.
Inventors
- 👤 Isaji Toshio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:23
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/64; A61K8/66; A61K8/46; A61K8/466; A61K8/49; A61K8/494; A61Q; A61Q5/00; A61Q5/04; A61Q5/06; A61Q5/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A METHOD FOR THE PERMANENT DYEING AND WAVING OF HUMAN HAIR COMPRISING TREATING SAID HAIR WITH AN AQUEOUS SOLUTION CONTAINING ABOUT 1-7 PERCENT BY WEIGHT OF A WATER-SOLUBLE MERCAPTO COMPOUND SELECTED FROM THE GROUP CONSISTING OF THIOGLYCOLIC ACID, THIOSUCCINIC ACID, THIOLACTIC ACID, AND THIOPHENOL, AND ABOUT 0.5 TO 5 PERCENT BY WEIGHT OF A CHROMIUM COMPLEX OF A O-O'' DIOXYAZO COMPOUND HAVING AT LEAST ONE SULFONIC ACID RADICAL, WHEREIN SAID CHROMIUM COMPLEX IS SELECTED FROM THE GROUP CONSISTING OF A CHROMIUM COMPLEX DERIVED FROM (1-AMINO6-NITRO-2-NAPHTHOL-4-SULFONIC ACID-->1-NAPTHTHOL-8-SULFONIC ACID), THE CHROMIUM COMPLEX DERIVED FROM (1-AMINO-2NAPHTHOL-4-SULFONIC ACID-->3-METHYL-2-(M-SULFOPHENYL)-5-PYRAZOLONE), THE CHROMIUM COMPLEX DERIVED FROM (1AMINO-6-NITRO-2-NAPTHTHOL-4-SULFONIC ACID<--2NAPHTHOL), THE CHROMUIM COMPLEX DERIVED FROM (1-AMINO-2-NAPHTHOL-4-SULFONIC ACID-->1-NAPHTHOL-8-SULFONIC ACID), THE CHROMIUM COMPLEX DERIVED FROM (5-CHLORO-6-ANISDINE--> G-ACID).
Claim 2
Independent Claim
116 words
A METHOD FOR THE PERMANENT DYEING AND WAVING OF HUMAN HAIR COMPRISING TREATING SAID HAIR WITH AN AQUEOUS SOLUTION CONTAINING ABOUT 1-7 PERCENT BY WEIGHT OF A WATER-SOLUBLE MERCAPTO COMPOUND SELECTED FROM THE GROUP CONSISTING OF THIOGLYCOLIC ACID, THIOSUCCINIC ACID, THIOLACTIC ACID, AND THIOPHENOL, AND ABOUT 0.5 TO 5 PERCENT BY WEIGHT OF A CHROMIUM COMPLEX OF A O-O'' DIOXYAZO COMPOUND HAVING AT LEAST ONE SULFONIC ACID RADICAL, WHEREIN SAID CHROMIUM COMPLEX IS SELECTED FROM THE GROUP CONSISTING OF A CHROMIUM COMPLEX DERIVED FROM (1-AMINO6-NITRO-2-NAPHTHOL-4-SULFONIC ACID-->1-NAPTHTHOL-8-SULFONIC ACID), THE CHROMIUM COMPLEX DERIVED FROM (1-AMINO-2NAPHTHOL-4-SULFONIC ACID-->3-METHYL-2-(M-SULFOPHENYL)-5-PYRAZOLONE), THE CHROMIUM COMPLEX DERIVED FROM (1AMINO-6-NITRO-2-NAPTHTHOL-4-SULFONIC ACID<--2NAPHTHOL), THE CHROMUIM COMPLEX DERIVED FROM (1-AMINO-2-NAPHTHOL-4-SULFONIC ACID-->1-NAPHTHOL-8-SULFONIC ACID), THE CHROMIUM COMPLEX DERIVED FROM (5-CHLORO-6-ANISDINE--> G-ACID).
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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) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |