US3290304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary ammonium compounds, their preparation and their use
Assignee: L'Oréal SA
•
Filing: 1965-06-22
•
Granted: 1966-12-06
•
Expires: 1985-06-22
Abstract
No abstract record available.
Inventors
- 👤 Kalopissis Gregoire
- 👤 Vanlerberghe Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:06
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/416; A61K8/49; A61Q; A61Q5/00; A61Q5/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
AN AMINE COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
6 words
AN AMINE COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim
5 words
AN AMINE OF THE FORMULA:
Claim 4
Dependent Claim
5 words
AN AMINE OF THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |