US2944942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methylsilyl mercaptoacetates and their use in treating hair
Assignee: L'Oréal SA
•
Filing: 1957-08-01
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Granted: 1960-07-12
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Expires: 1977-08-01
Abstract
No abstract record available.
Inventors
- 👤 Charle Roger
- 👤 Ritter Roger
- 👤 Kalopissis Gregoire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:58
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1896; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/58; A61K8/585; A61Q; A61Q5/00; A61Q5/04; C07F7/04; C07F7/20; D; D06; D06M; D06M13/00; D06M13/244; D06M13/248; D06M13/252
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
7 words
AN ORGANO-SILICON COMPOUND OF THE GENERAL FORMULA
Claim 2
Dependent Claim
7 words
AN ORGANO-SILICON COMPOUND OF THE GENERAL FORMULA
Claim 3
Dependent Claim
41 words
A PROCESS FOR IMPARTING ANY DESIRED, STABLE CONFIG URATION TO HAIR, PARTICULARLY LIVE HUMAN HAIR, WHICH COMPRISES SUBMITTING SAID HAIR, WHILE CONSTRAINED IN SAID CONFIGURATION, TO THE ACTION OF A FRESHLY PREPARED DISPERSION OF AN ORGANO-SILICON COMPOUND OF THE GENERAL FORMULA
Claim 4
Dependent Claim
41 words
A PROCESS FOR IMPARTING ANY DESIRED, STABLE CONFIG URATION TO HAIR, PARTICULARLY LIVE HUMAN HAIR, WHICH COMPRISES SUBMITTING SAID HAIR, WHILE CONSTRAINED IN SAID CONFIGURATION, TO THE ACTION OF A FRESHLY PREPARED DISPERSION OF AN ORGANO-SILICON COMPOUND OF THE GENERAL FORMULA
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) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |