US3650280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cosmetic treatment of hair with thiourea or urea and glyoxal
Assignee: Individual
•
Filing: 1969-12-03
•
Granted: 1972-03-21
•
Expires: 1989-12-03
Abstract
Abstract Non-alkaline compositions to beautify hair containing thiourea or urea, glyoxal and an inert cosmetic carrier; and also, preferably, benzyl alcohol and diethylene glycol monoethyl ether. Thin hair is thickened, the molding of thick hair is facilitated and hair is elasticized when treated with the compositions.
Inventors
- 👤 David Roberts
- 👤 Leo S Nasarevich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:02
CPC Classifications
A; A61; A61Q; A61Q5/00; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/40; A61K8/42
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
20 words
A composition as defined in claim 1 which also includes from about 0.1 to about 4 percent of benzyl alcohol.
Claim 2
Dependent Claim
22 words
A composition as defined in claim 1 which also includes from about 0.1 to about 4 percent of diethylene glycol monoethyl ether.
Claim 3
Dependent Claim
39 words
A composition as defined in claim 1 which also includes: d. from about 0.1 to about 4 percent by weight of benzyl alcohol; and e. from about 0.1 to about 4 percent by weight of diethylene glycol monoethyl ether.
Claim 4
Dependent Claim
16 words
A composition as defined in claim 4 wherein the pH is from about 4 to 6.
Claim 5
Dependent Claim
83 words
A process to thicken thin hair, to mold thick hair or to elasticize hair which comprises applying to said thin hair, unmolded thick hair or unelasticized hair a composition which comprises (a) glyoxal; (b) a compound selected from the group consisting of thiourea, urea and mixtures thereof; and (c) an inert carrier selected from the group consisting of water, lower alkanols and mixtures thereof in an amount sufficient to impart after drying the desired degree of thickening, molding or elasticity to said hair.
Claim 6
Dependent Claim
45 words
A process to thicken thin hair which comprises applying to said thin hair a composition as defined in claim 4 in an amount sufficient to impart the desired degree of thickening; drying the so-treated hair; and grooming the dried, treated hair into the form desired.
Claim 7
Dependent Claim
47 words
A process to mold thick hair which comprises applying to unmolded thick hair a composition as defined in claim 4 in an amount sufficient to impart the desired degree of moldability; drying the so-treated hair; and combing or brushing the dried, treated hair into the form desired.
Claim 8
Dependent Claim
34 words
A process to elasticize hair which comprises applying to said hair a composition as defined in claim 4 in an amount sufficient to impart after drying the desired degree of elasticization to said hair.
Claim 9
Dependent Claim
23 words
A process as defined in claim 9 including the steps of combing, brushing or setting the dried, treated hair into the form desired.
References Cited (Backward Citations)
US2574114A
Cited
US3349000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-21 | 1975-09-20 | 1976-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-21 | 1979-09-20 | 1980-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-21 | 1983-09-20 | 1984-03-21 | $7700.00 | Window Closed / Lapsed |