US3800033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair control compositions and method of use
Assignee: Lever Brothers Co
•
Filing: 1972-12-07
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Granted: 1974-03-26
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Expires: 1992-12-07
Abstract
Abstract A hair control preparation, particularly an aerosol hairspray, comprises a solution of a film-forming resin and a normally solid plasticiser for the resin which gradually volatilises from the resin after the hair control preparation has been applied to the hair, the weight ratio of resin to volatile plasticiser being from 1:2 to 20:1.
Inventors
- 👤 R Flawn
- 👤 M Nearn
- 👤 P Petter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:00
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/046; A61K8/18; A61K8/30; A61K8/33; A61K8/36; A61K8/368; A61K8/40; A61K8/42; A61K8/72; A61K8/81; A61K8/8141; A61K8/8147; A61K8/817; A61K8/8182; A61Q; A61Q5/00; A61Q5/06; Y; Y10; Y10S; Y10S424/00; Y10S424/01; Y10S424/02
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
31 words
The hair control preparation as claimed in claim 1, wherein the resin is a copolymer of vinyl pyrrolidone and vinyl acetate containing at least 70 percent by weight of vinyl acetate.
Claim 2
Dependent Claim
21 words
The hair control preparation as claimed in claim 1, wherein the resin is a copolymer of vinyl acetate and crotonic acid.
Claim 3
Dependent Claim
15 words
The hair control preparation as claimed in claim 2, wherein the volatile plasticiser is propionamide.
Claim 4
Dependent Claim
25 words
The hair control preparation as claimed in claim 2, wherein the volatile plasticiser is selected from the group consisting of benzoic acid and salicylic acid.
Claim 5
Dependent Claim
15 words
The hair control preparation as claimed in claim 3, wherein the volatile plasticiser is propionamide.
Claim 6
Dependent Claim
14 words
The hair control preparation as claimed in claim 1, additionally comprising an aerosol propellant.
Claim 7
Dependent Claim
46 words
A process for treating human hair to impart hold to a desired style and subsequently to facilitate the brush-out property of the hair as the hold diminishes, which process includes the step of applying to the hair a hair control preparation as claimed in claim 1.
References Cited (Backward Citations)
US3400198A
Cited
US3723616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |