US4220168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of moisturizing and maintaining normal moisture level in hair having a normal moisture content
Assignee: Helene Curtis Industries Inc
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Filing: 1978-06-05
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Granted: 1980-09-02
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Expires: 1998-06-05
Abstract
Abstract A method of moisturizing and maintaining the normal moisture level in hair initially having a normal moisture content comprising the steps of: (1) shampooing the hair with a moisture stabilizing shampoo; (2) conditioning the hair with a moisture stabilizing conditioner; and (3) thereafter applying a moisture control styling lotion, said shampoo, conditioner and styling lotion each containing from 0.01 to 1.0 weight percent of 2-pyrrolidone-5-carboxylic acid or a salt thereof, from 0.01 to 5.0 weight percent glycerin and from 0.01 to 5.0 weight percent of protein derived from a collagenous source.
Inventors
- 👤 Gerald P. Newell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:38
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/64; A61K8/65; A45; A45D; A45D7/00; A45D7/04; A61K8/33; A61K8/34; A61K8/345; A61K8/49; A61K8/4906; A61K8/4913; A61Q; A61Q5/00; A61Q5/02; A61Q5/12
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
89 words
A method for maintaining the normal moisture level of hair comprising the steps of: (1) shampooing the hair with a moisture stabilizing shampoo; (2) conditioning the shampooed hair with a moisture stabilizing composition; (3) thereafter applying a moisture control styling lotion; each of said shampoos, conditioners and lotions comprising from about 0.01 to about 1.0 weight percent of 2-pyrrolidone-5-carboxylate or a salt thereof, from about 0.01 to about 5.0 weight percent of glycerin and from about 0.01 to about 5.0 weight percent of protein derived from a collagenous source.
Claim 2
Independent Claim
89 words
A method for maintaining the normal moisture level of hair comprising the steps of: (1) shampooing the hair with a moisture stabilizing shampoo; (2) conditioning the shampooed hair with a moisture stabilizing composition; (3) thereafter applying a moisture control styling lotion; each of said shampoos, conditioners and lotions comprising from about 0.01 to about 1.0 weight percent of 2-pyrrolidone-5-carboxylate or a salt thereof, from about 0.01 to about 5.0 weight percent of glycerin and from about 0.01 to about 5.0 weight percent of protein derived from a collagenous source.
Claim 3
Dependent Claim
14 words
The method of claim 1 wherein the salt of 2-pyrrolidone-5-carboxylate is the sodium salt.
Claim 4
Dependent Claim
13 words
The method of claim 1 wherein said styling lotion is a setting conditioner.
Claim 5
Dependent Claim
15 words
The method of claim 1 wherein said styling lotion is a thermal styling protective lotion.
Claim 6
Dependent Claim
25 words
The method of claim 1 additionally comprising the steps of thereafter styling the hair and applying a moisture control hair spray to the styled hair.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-09-02 | 1984-03-03 | 1984-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-02 | 1988-03-03 | 1988-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-02 | 1992-03-03 | 1992-09-02 | $7700.00 | Window Closed / Lapsed |