US3904749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair setting preparations
Assignee: Ashland LLC
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Filing: 1973-05-09
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Granted: 1975-09-09
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Expires: 1993-05-09
Abstract
Abstract Hair setting and conditioning compositions wherein the film forming component is an addition polymerization product consisting of a homo- or copolymer of an aminimide monomer corresponding to the formula: in which R is H or CH3; R1 and R2 are each alkyl; and R3 is alkyl or hydroxyalkyl.
Inventors
- 👤 William J Mckillip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:08
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/8141; A61K8/8152; A61Q5/12
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
51 words
A PROCESS FOR CONDITIONING AND SETTING HAIR WHICH COMPRISES APPLYING TO THE HAIR IN AN EFFECTIVE AMOUNT FOR IMPARTING SET TO THE HAIR OF A RESINOUS FILM-FORMING COMPONENT CONSISTING ESSENTIALLY OF ADDITION POLYMERIZATION PRODUCT SELECTED FROM THE GROUP CONSISTING OF A HOMOPOLYMER OF AN ETHYLENICALLY UNSATURATED TRIALKYLAMMONIUM ACYLIMINE OF THE FORMULA:
Claim 2
Dependent Claim
51 words
A PROCESS FOR CONDITIONING AND SETTING HAIR WHICH COMPRISES APPLYING TO THE HAIR IN AN EFFECTIVE AMOUNT FOR IMPARTING SET TO THE HAIR OF A RESINOUS FILM-FORMING COMPONENT CONSISTING ESSENTIALLY OF ADDITION POLYMERIZATION PRODUCT SELECTED FROM THE GROUP CONSISTING OF A HOMOPOLYMER OF AN ETHYLENICALLY UNSATURATED TRIALKYLAMMONIUM ACYLIMINE OF THE FORMULA:
Claim 3
Dependent Claim
53 words
The process of claim 1 wherein the addition polymerization product is a copolymer of said trialkylammonium acylimine and a comonomer selected from the group consisting of a vinyl ether, a vinyl monocarboxylic acid, a lower alkyl or hydroxyalkyl ester of a vinyl monocarboxylic acid, a vinyl amide, a vinyl alkanoate, and mixtures thereof.
Claim 4
Dependent Claim
12 words
The process of claim 2 wherein said comonomer is a vinyl alkanoate.
Claim 5
Dependent Claim
12 words
The process of claim 3 wherein said vinyl alkanoate is vinyl acetate.
Claim 6
Dependent Claim
12 words
The process of claim 4 wherein said trialkylammonium acylimine is a 1,1-dialkyl-1-(2-hydroxyalkyl)ammonium-N-methacryloylimine.
Claim 7
Dependent Claim
12 words
The process of claim 5 wherein said trialkylammonium acylimine is a 1,1-dimethyl-1-(2-hydroxyalkyl)ammonium-N-methacryloylimine.
Claim 8
Dependent Claim
11 words
The process of claim 6 wherein said trialkylammonium acylimine is 1,1-dimethyl-1-(2-hydroxypropyl)ammonium-N-methacryloylimine.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-08 | 1979-03-10 | 1979-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-08 | 1983-03-10 | 1983-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-08 | 1987-03-10 | 1987-09-09 | $7700.00 | Window Closed / Lapsed |