US3337548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N'-acyl-n'-hydrocarbon-n-tertiary aminoloweralkyl-asparagines
Assignee: L'Oréal SA
•
Filing: 1964-02-26
•
Granted: 1967-08-22
•
Expires: 1984-02-26
Abstract
No abstract record available.
Inventors
- 👤 Kalopissis Gregoire
- 👤 Viout Andre
- 👤 Vanlerberghe Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:54
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/21; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44; A61Q; A61Q5/00; A61Q5/02; C; C11; C11D; C11D1/00; C11D1/88
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2821521A
Cited
US3158535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |