Patent US3527972A successfully refreshed from Google Patents.
Patent US3634022A successfully refreshed from Google Patents.
US3634022A
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US
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Form-setting keratin substrates by a chemical treatment involving a vinyl monomer
Assignee: Colgate Palmolive Co
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Filing: 1969-05-29
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Granted: 1972-01-11
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Expires: 1989-05-29
Abstract
Abstract A process for form setting into a desired physical configuration as keratinous substrate such as hair, wool and the like which as been modified by a chemical treatment involving the use of olefinically unsaturated compounds comprising wetting the substrate, placing it into the desired physical configuration, and then drying it while in said configuration. This form-setting procedure may be repeated many times on the treated substrate.
Inventors
- 👤 Clarence R Robbins
- 👤 Seymour Grey
- 👤 George V Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:10
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/8141; A61K8/8147; A61K8/8152; A61Q; A61Q5/00; A61Q5/04; D; D06; D06M; D06M14/00; D06M14/02; D06M14/06; A61K2800/00; A61K2800/80; A61K2800/94; Y; Y10; Y10S; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
13 words
A method as defined in claim 1 wherein said monomer is itaconic acid.
Claim 2
Dependent Claim
13 words
A method as defined in claim 1 wherein said monomer is methyl methacrylate.
Claim 3
Dependent Claim
13 words
A method as defined in claim 1 wherein said initiator is cumene hydroperoxide.
Claim 4
Dependent Claim
14 words
A method as defined in claim 1 wherein said reducing agent is ammonium thioglycollate.
Claim 5
Dependent Claim
25 words
A method as defined in claim 1 wherein said reducing agent is ammonium thioglycollate, the monomer is itaconic acid and the initiator is cumene hydroperoxide.
Claim 6
Dependent Claim
24 words
A method as defined in claim 1 including treating said hair with a multivalent Group IIA cation after removal of unreacted monomer and initiator.
Claim 7
Dependent Claim
62 words
A method as defined in claim 1 including the further step of treating said form stable hair with a relaxing agent selected from the group consisting of salts of citric acid, ethylenediaminetetraacetic acid, nitrilotriacetic acid, phytic acid, ethane-1-hydroxy-1,1-diphosphonic acid, ethylene diphosphonic acid, polymers of itaconic acid, aconitic acid, maleic acid, methylene malonic acid, merconic acid and citraconic acid with a water-solubilizing cation.
Claim 8
Dependent Claim
15 words
A method as defined in claim 8 wherein said relaxing agent is a water-soluble citrate.
Claim 9
Dependent Claim
15 words
A method as defined in claim 8 wherein said water-solubilizing cation is sodium or potassium.
Claim 10
Dependent Claim
31 words
A method as defined in claim 1 wherein said treating with olefinically unsaturated polymerizable monomer and peroxide initiator is carried out for a period of about 30 minutes to 2 hours.
Claim 11
Dependent Claim
24 words
A method as defined in claim 1 wherein the mole ratio of catalyst to monomer is from about 0.001 to 1 to about 5:1.
Claim 12
Dependent Claim
18 words
A method as defined in claim 1 wherein said monomer and initiator are dissolved in a solvent medium.
Claim 13
Dependent Claim
13 words
A method as defined in claim 13 wherein said solvent medium is water.
Claim 14
Dependent Claim
29 words
A method as defined in claim 13 wherein said solvent medium consists of from about 10 to about 90 percent by weight water, the remainder comprising water-miscible organic solvent.
Claim 15
Dependent Claim
18 words
A method as defined in claim 15 wherein said water-miscible organic solvent is a lower alkanol or acetone.
Claim 16
Dependent Claim
40 words
A method as defined in claim 1 wherein the step of treating said hair with olefinically unsaturated polymerizable monomer and peroxide initiator is carried out in the presence of a water soluble halide salt of lithium, sodium, potassium or ammonium.
Claim 17
Dependent Claim
29 words
A method as defined in claim 17 wherein said halide salt is lithium bromide, lithium chloride, sodium bromide, sodium chloride, potassium bromide, potassium chloride, ammonium bromide or ammonium chloride.
Claim 18
Dependent Claim
14 words
A method as defined in claim 18 wherein said halide salt is lithium bromide.
Claim 19
Dependent Claim
23 words
A method as defined in claim 17 wherein the concentration of halide salt is from about 0.025 to about 40 mols/mol. of monomer.
References Cited (Backward Citations)
US2719814A
Cited
US2847351A
Cited
US3142623A
Cited
US3437420A
Cited
US3475114A
Cited
US3481682A
Cited
US3291560A
Cited
US3472243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |