Patent US3915981A successfully refreshed from Google Patents.
US3915981A
Expired / Lapsed
US
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1-{8 2-(2-Chlorobenzoyl)-4-nitrophenyl{9 -2-(diethylaminomethyl)-imidazole
Assignee: Tanabe Pharma Corp
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Filing: 1974-01-09
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Granted: 1975-10-28
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Expires: 1994-01-09
Abstract
Abstract 1-(2-(2-Chlorobenzoyl)-4-nitrophenyl)-2(diethylaminomethyl)imidazole of the formula: AND PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF, PHARMACEUTICAL COMPOSITIONS CONTAINING THE SAME, AND METHODS OF TREATING CEREBRAL DYSFUNCTION IN MAMMALS THEREWITH ARE DISCLOSED.
Inventors
- 👤 Michio Nakanishi
- 👤 Tetsuo Yokobe
- 👤 Tomio Arai
- 👤 Masao Abe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:32
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/64
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
1 words
1I(2-(2-CHLOROBENZOYL)-4-NITROPHENYL)-2(DIETHYLAMINOMETHYL)IMIDAZOLE.
Claim 2
Dependent Claim
1 words
1I(2-(2-CHLOROBENZOYL)-4-NITROPHENYL)-2(DIETHYLAMINOMETHYL)IMIDAZOLE.
Claim 3
Dependent Claim
12 words
A pharmaceutically acceptable acid addition salt of the compound of claim 1.
References Cited (Backward Citations)
US3763179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-27 | 1979-04-28 | 1979-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-27 | 1983-04-28 | 1983-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-27 | 1987-04-28 | 1987-10-28 | $7700.00 | Window Closed / Lapsed |