US3287469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Naphthyl-and indanylimidazolines
Assignee: EIDP Inc
•
Filing: 1963-09-27
•
Granted: 1966-11-22
•
Expires: 1983-09-27
Abstract
No abstract record available.
Inventors
- 👤 Jr John Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:40
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/04; C07D233/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2-(5,6,7,8-TETRAHYDRO-1NAPHTHYL)-2-IMIDAZOLINE AND 2-(4INDANYL)-2-IMIDAZOLINE AND THEIR NON-TOXIC ACID ADDITION AND QUATERNARY AMMONIUM SALTS.
Claim 2
Dependent Claim
20 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2-(5,6,7,8-TETRAHYDRO-1NAPHTHYL)-2-IMIDAZOLINE AND 2-(4INDANYL)-2-IMIDAZOLINE AND THEIR NON-TOXIC ACID ADDITION AND QUATERNARY AMMONIUM SALTS.
References Cited (Backward Citations)
CH204737A
Cited
CH213368A
Cited
AT167100B
Cited
US2680745A
Cited
US2778836A
Cited
US2867625A
Cited
US2842478A
Cited
US2846411A
Cited
US3024166A
Cited
US3036955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |