US3891385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair softening dye compositions containing surface-active asparagine derivatives
Assignee: L'Oréal SA
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Filing: 1972-09-06
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Granted: 1975-06-24
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Expires: 1992-09-06
Abstract
Abstract Hair dye compositions which contain a surface-active compound having the formula IN WHICH R and R'' are an alkyl or alkenyl group which has 10-18 carbon atoms, R1 and R2 are lower alkyl or with the N atom a morpholino group and n is 2-5 and a hair dye.
Inventors
- 👤 Gregoire Kalopissis
- 👤 Andre Viout
- 👤 Guy Vanlerberghe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:07
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44; A61K8/41; A61K8/418; A61Q; A61Q5/00; A61Q5/06; A61Q5/065; C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13; C11; C11D; C11D1/00; C11D1/02; C11D1/04; C11D1/10; Y; Y10; Y10S; Y10S8/00; Y10S8/908
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
17 words
A HAIR AND DYE SOFTENING COMPOSITION COMPRISING AN EFFECTIVE AMOUNT OF AN ASPARAGINE COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
17 words
A HAIR AND DYE SOFTENING COMPOSITION COMPRISING AN EFFECTIVE AMOUNT OF AN ASPARAGINE COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
23 words
The process of dyeing and softening live human hair comprising applying to the hair an effective amount of the composition of claim 1.
Claim 4
Dependent Claim
16 words
The hair dye composition of claim 1, in which said hair dye is a direct dye.
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) | 1978-06-23 | 1978-12-23 | 1979-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-23 | 1982-12-23 | 1983-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-23 | 1986-12-23 | 1987-06-24 | $7700.00 | Window Closed / Lapsed |