← Back to Patent Explorer
US3884627A Expired / Lapsed US ⏱️ 0.0 years remaining

Oxidative hair dye compositions

Assignee: P&G Hair Care Holding Inc
•
Filing: 1971-10-04
•
Granted: 1975-05-20
•
Expires: 1991-10-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Oxidative hair dye composition containing as ''''para component'''' compounds of the formula: OR THEIR ACID ADDITION SALTS, IN WHICH: R1 is alkyl or hydroxyalkyl; R2 is hydrogen or hydroxyalkyl; R3 is hydrogen, alkyl, alkoxy or halogen; and R4 occupies any one of the remaining positions ON THE BENZENE RADICAL AND IS HYDROGEN, ALKYL, ALKOXY OR HALOGEN; PROVIDING THAT R2 is hydrogen when R3 is alkyl, alkoxy or halogen and providing that at least two of R1, R2, R3 or R4 are other than hydrogen.

Inventors

  • 👤 Frederick Brody
  • 👤 Stanley Pohl

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 23:10
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/411; A61Q; A61Q5/00; A61Q5/10; D; D06; D06P; D06P1/00; D06P1/32; D06P3/00; D06P3/02; D06P3/04; D06P3/08

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 35 words
A NON-TOXIC OXIDATION HAIR DYE COMPOSITION COMPRISING AN AQUEOUS CARRIER, AS A PARA COMPONENT FROM ABOUT 0.1% TO 6% BY WEIGHT BASED ON THE TOTAL WEIGHT OF THE COMPOSITION OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim 35 words
A NON-TOXIC OXIDATION HAIR DYE COMPOSITION COMPRISING AN AQUEOUS CARRIER, AS A PARA COMPONENT FROM ABOUT 0.1% TO 6% BY WEIGHT BASED ON THE TOTAL WEIGHT OF THE COMPOSITION OF A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim 14 words
A composition according to claim 1 in which both R1 and R2 are 2-hydroxyethyl.
Claim 4
Dependent Claim 28 words
A composition according to claim 1 including as an additional para component a compound selected from the group consisting of p-toluenediamine, p-aminophenol, p-aminodiphenylamine; 4,4''-diaminodiphenylamine; p-phenylenediamine; 2,6-dimethyl-p-phenylenediamine and 2,5-diaminopyridine.
Claim 5
Dependent Claim 21 words
A composition according to claim 3 wherein R1 and R2 are 2-hydroxyethyl, R3 and R4 are hydrogen and also containing p-phenylenediamine.
Claim 6
Dependent Claim 21 words
A composition according to claim 3 wherein R1 and R2 are 2-hydroxyethyl, R3 and R4 are hydrogen and also containing p-toluenediamine.
Claim 7
Dependent Claim 91 words
A composition according to claim 1 also including as a part of said coupling component a compound selected from the group consisting of phenols, m-aminophenols and compounds containing an active methylene group and mixtures thereof wherein: a. said phenols are selected from the group consisting of pyrogallol, resorcinol, pyrocatechol and alphanaphthol; b. said m-aminophenols are selected from the group consisting of 2,4-diaminophenol; m-aminophenol; aminoresorcinol; 1,5-aminohydroxynaphthalene and 1,8-aminohydroxynaphthalene; and c. said active methylene group containing compound is selected from the group consisting of 3-methylpyrazolone-5); 1-phenyl-3-methylpyrazolone-(5); 1,3-dimethylpyrazolone-(5); acetoacetic acid anilide; benzoylacetotoluide and nicotinoylacetanilide.
Claim 8
Dependent Claim 11 words
A composition according to claim 6 wherein the phenol is resorcinol.
Claim 9
Dependent Claim 12 words
A composition according to claim 7 wherein the meta component is 2,4-diaminoanisole.
Claim 10
Dependent Claim 19 words
A composition according to claim 1 wherein said para component is N,N-bis(2-hydroxyethyl)-p-phenylenediamine sulfate and said meta-phenylenediamine is 2,4-diaminoanisole sulfate.
Claim 11
Dependent Claim 18 words
A composition according to claim 1 wherein R1 and R2 are hydroxyalkyl and R3 and R4 are hydrogen.
Claim 12
Dependent Claim 12 words
A composition according to claim 10 wherein R1 and R2 are 2-hydroxyethyl.
Claim 13
Dependent Claim 20 words
A composition according to claim 1 wherein R1 is hydroxyalkyl, R2 is hydrogen, R3 is alkyl and R4 is hydrogen.
Claim 14
Dependent Claim 14 words
A composition according to claim 12 wherein R1 is 2-hydroxyethyl and R3 is methyl.
Claim 15
Dependent Claim 28 words
A composition according to claim 1 wherein R1 and R2 are hydroxyalkyl, R3 is hydrogen and R4 is alkyl which occupies position number 3 on the benzene nucleus.
Claim 16
Dependent Claim 25 words
A composition according to claim 14 wherein R1 and R2 are 2-hydroxyethyl and R4 is methyl which occupies position number 3 on the benzene nucleus.
Claim 17
Dependent Claim 26 words
A composition according to claim 1, wherein the meta-phenylenediamine is selecteD from the group consisting of m-phenylenediamine, 2, 4-diaminoanisole, 2, 4 diaminotoluene and 2, 4-diaminoanisole sulfate.
Claim 18
Dependent Claim 25 words
A method for dyeing hair which comprises applying the composition of claim 1 with an oxidizing agent to the hair until the hair is dyed.

References Cited (Backward Citations)

US2108243A Cited
US2177113A Cited
US2992192A Cited
US2943109A Cited
US3216899A Cited
US3297760A Cited
US3210252A Cited
US3506389A Cited
US3591323A Cited
US3649160A Cited
US3695824A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-05-19 1978-11-18 1979-05-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-05-19 1982-11-18 1983-05-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-05-19 1986-11-18 1987-05-20 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag