US3147275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nh-cha
Assignee: Merck Sharp & Dohme LLC
•
Filing: —
•
Granted: 1964-09-01
•
Expires: 1981-09-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:07
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/04; C07D233/06; C07D233/54; C07D233/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2- (2'',6''-DIMETHYL-3''-HYDROXY-4 -TERTIARY BUTYLBENZYL)-2IMIDAZOLINE AND ACID ADDITION SALTS OF SAID IMIDAZOLINE DERIVATIVE WITH PHARMACEUTICALLY ACCEPTABLE ACIDS.
Claim 2
Dependent Claim
24 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2- (2'',6''-DIMETHYL-3''-HYDROXY-4 -TERTIARY BUTYLBENZYL)-2IMIDAZOLINE AND ACID ADDITION SALTS OF SAID IMIDAZOLINE DERIVATIVE WITH PHARMACEUTICALLY ACCEPTABLE ACIDS.
References Cited (Backward Citations)
US2868802A
Cited
US2745783A
Cited
US2888458A
Cited
US2890985A
Cited
US2957003A
Cited
US2971006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |