Patent US3956181A successfully refreshed from Google Patents.
Patent US2991228A successfully refreshed from Google Patents.
US2991228A
Expired / Lapsed
US
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Composition for bleaching hair
Assignee: LAWRENCE RICHARD BRUCE Inc
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Filing: 1958-03-07
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Granted: 1961-07-04
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Expires: 1978-03-07
Abstract
No abstract record available.
Inventors
- 👤 Lustig Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:33
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/58; A61K8/19; A61K8/22; A61K8/27; A61K8/49; A61K8/4906; A61K8/4913; A61K8/492; A61Q; A61Q5/00; A61Q5/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
A METHOD OF INCREASING THE BLEACHING ACTION ON HUMAN HAIR OF AQUEOUS HYDROGEN PEROXIDE WHICH COMPRISES INTERMIXING WITH THE AQUEOUS HYDROGEN PEROXIDE TO FORM A PASTE, A POWDER COMPOSITION CONTAINING A PREPONDERANCE OF AT LEAST ONE OF THE GROUP CONSISTING OF WATER INSOLUBLE MAGNESIUM CARBONATE AND MAGNESIUM OXIDE AND BETWEEN 1% TO 10% OF PHTHALOCYANINE OF PARTICLE SIZE 0+ TO 20 MICRONS SELECTED FROM THE GROUP OF PHTHALOCYANINE COMPLEXES OF THE METALS COPPER, COBALT, NICKEL, AND ZINC, AND THEIR DERIVATIVES SUBTITUTED IN THE BENZENE NUCLEI BY SULFONIC GROUPS, AND THEIR DERIVATIES SUBSTITUTED IN THE BENZENE NUCLEI BY CHLORINE.
References 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) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |