Patent US2905832A successfully refreshed from Google Patents.
US3063908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for permanent deformation of hair
Assignee: L'Oréal SA
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Filing: 1958-10-23
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Granted: 1962-11-13
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Expires: 1978-10-23
Abstract
No abstract record available.
Inventors
- 👤 Kalopissis Gregoire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:06
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61Q; A61Q5/00; A61Q5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A PROCESS FOR THE PERMANENT DEFORMATION OF LIVE HUMAN HAIR, WHICH COMPRISES: (A) PREPARING A STOCK SOLUTION HAVING A PH OF BETWEEN 8 AND 9.5, FOR STORAGE PURPOSES, OF AN AQUEOUS SOLUTION OF AN AMIDE OF MERCAPTO ALKANOIC ACID OF THE GENERAL FORMULA
Claim 2
Dependent Claim
43 words
A PROCESS FOR THE PERMANENT DEFORMATION OF LIVE HUMAN HAIR, WHICH COMPRISES: (A) PREPARING A STOCK SOLUTION HAVING A PH OF BETWEEN 8 AND 9.5, FOR STORAGE PURPOSES, OF AN AQUEOUS SOLUTION OF AN AMIDE OF MERCAPTO ALKANOIC ACID OF THE GENERAL FORMULA
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) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |