US3331781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amphoteric surface-active agents and method of preparing them
Assignee: L'Oréal SA
•
Filing: 1965-06-21
•
Granted: 1967-07-18
•
Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 Kalopissis Gregoire
- 👤 Viout Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:49
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61Q5/065; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44; A61Q5/10; C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13; C11; C11D; C11D1/00; C11D1/88
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF A WATER SOLUTION CONTAINING 0.5% TO 10% BY WEIGHT OF AT LEAST ONE SUBSTANCE HAVING THE FORMULA:
Claim 2
Dependent Claim
23 words
A DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF A WATER SOLUTION CONTAINING 0.5% TO 10% BY WEIGHT OF AT LEAST ONE SUBSTANCE HAVING THE 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) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |