US4033895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-irritating shampoo compositions containing stearyl amine oxide
Assignee: Revlon Consumer Products LLC
•
Filing: 1975-12-24
•
Granted: 1977-07-05
•
Expires: 1995-12-24
Abstract
Abstract The addition of stearyl dimethyl amine oxide to shampoos containing sodium lauryl-sulfate and zinc pyridinethione reduces considerably the irritant properties of such shampoos.
Inventors
- 👤 Terry Gerstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:31
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/02; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/46; A61K8/463; A61K8/49; A61K8/4906; A61K8/4933; A61Q17/00; C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/146; C11D1/66; C11D1/83; C11D3/00; C11D3/48; A61K2800/00; A61K2800/74; A61K2800/75; C11D1/75
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
28 words
An aqueous non-irritating shampoo consisting essentially in parts by weight of ______________________________________
sodium lauryl sulfate 4-18
zinc pyridinethione 0.1-4
stearyl dimethyl amine oxide
0.2-12
water q.s. 100
______________________________________
Claim 2
Dependent Claim
28 words
An aqueous non-irritating shampoo consisting essentially in parts by weight of ______________________________________
sodium lauryl sulfate 4-18
zinc pyridinethione 0.1-4
stearyl dimethyl amine oxide
0.2-12
water q.s. 100
______________________________________
Claim 3
Dependent Claim
28 words
An aqueous non-irritating shampoo according to claim 1 which contains in parts by weight ______________________________________
sodium lauryl sulfate 7-10
zinc pyridinethione 0.5-2
stearyl dimethyl amine oxide
2-8
______________________________________
Claim 4
Dependent Claim
28 words
An aqueous non-irritating shampoo according to claim 2 which contains in parts by weight ______________________________________
sodium lauryl sulfate 9.8
zinc pyridinethione 1
stearyl dimethyl amine oxide
2
______________________________________
Claim 5
Dependent Claim
15 words
An aqueous non-irritating shampoo according to claim 1 having a pH from about 7.0- 9.5.
Claim 6
Dependent Claim
15 words
An aqueous non-irritating shampoo according to claim 4, having a pH from about 7.4- 8.5.
Claim 7
Dependent Claim
61 words
An aqueous non-irritating shampoo according to claim 3 containing in parts by weight ______________________________________
Butoxypolyoxyethylene glycol
0.7
Montmorillonite 2.0
Sodium lauryl sulfate 9.8
7:3 Mixture of lauric and myristic
6.0
diethanolamides
Protein hydrolysate 0.2
Stearoyl-amino ethyl stearate
3.0
Stearyl dimethyl amine oxide
2.0
Zinc pyridinethione 1
Perfume oil 0.2
Water gs 100
said shampoo having a pH of about 8.0.
______________________________________
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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) | 1980-07-04 | 1981-01-03 | 1981-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-04 | 1985-01-03 | 1985-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-04 | 1989-01-03 | 1989-07-05 | $7700.00 | Window Closed / Lapsed |