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US2733186A Expired / Lapsed US ⏱️ 0.0 years remaining

Compositions for the dyeing of hair

Assignee: —
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Filing: —
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Granted: 1956-01-31
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Expires: 1973-01-31
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Abstract

Abstract 754,948. Dyeing hair; dyestuff compositions. UNION FRANCAISE COMMERCIALE ET INDUSTRIELLE. March 5, 1954 [March 26, 1953], No. 6582/54. Addition to 710,134. Classes 2(4) and 15(2) The composition of the parent Specification for use in the dyeing of hair (comprising the substituted or unsubstituted trihydric phenol and the sulphite, hydrosulphite or mercaptan reducing agent Specified therein) is modified by the addition of crushed leaves e.g. mastic, chestnut, walnut or henna leaves. To the composition may also be added, at the time of its use or during its manufacture, ammonia or an ammonium salt or an amine or an amine salt. Thickening agents such as carboxymethyl cellulose or alginates, may also be added. Specification 754,949 is referred to.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 09:16
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/10; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/34; A61K8/347

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 20 words
A HAIR-DYEING COMPOSITION COMPRISING AN INTIMATE MIXTURE OF A COMPOUND FREE FROM ANY SOLUBILIZING GROUP AND REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim 20 words
A HAIR-DYEING COMPOSITION COMPRISING AN INTIMATE MIXTURE OF A COMPOUND FREE FROM ANY SOLUBILIZING GROUP AND REPRESENTED BY THE FORMULA

References Cited (Backward Citations)

GB486086A Cited
US2162458A Cited
FR951538A Cited
US2610941A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-01-30 1959-08-01 1960-01-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-01-30 1963-08-01 1964-01-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-01-30 1967-08-01 1968-01-31 $7700.00 Window Closed / Lapsed

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