US4214089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thiazolo[3,2-a]benzimidazoles, imidazo [2,1-b]thiazoles, and related compounds as antineoplastic agents, and enhancers of the immune response
Assignee: Wyeth LLC
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Filing: 1978-07-18
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Granted: 1980-07-22
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Expires: 1998-07-18
Abstract
Abstract The use of 3-aryl-thiazolo[3,2-a]benzimidazoles, 3-aryl-imidazo[2,1-b]thiazoles, and related compounds as antineoplastic agents, and/or as enhancers of the immune response is disclosed.
Inventors
- 👤 Richard L. Fenichel
- 👤 Peter H. L. Wei
- 👤 Francis J. Gregory
- 👤 Harvey E. Alburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:37
CPC Classifications
C; C07; C07D; C07D513/00; C07D513/02; C07D513/04; C07D233/00; C07D233/54; C07D233/66; C07D233/84
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
32 words
A chemical compound having the structure: ##STR5## wherein R is hydrogen or lower alkyl of from 1 to 4 carbon atoms; and R 1 is chloro; and the pharmaceutically acceptable salts thereof.
Claim 2
Dependent Claim
32 words
A chemical compound having the structure: ##STR5## wherein R is hydrogen or lower alkyl of from 1 to 4 carbon atoms; and R 1 is chloro; and the pharmaceutically acceptable salts thereof.
Claim 3
Dependent Claim
11 words
A compound as defined in claim 1 which is 3-(p-chlorophenyl)-thiazolo[3,2-a]benzimidazole-2-acetic acid.
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) | 1983-07-22 | 1984-01-21 | 1984-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-07-22 | 1988-01-21 | 1988-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-07-22 | 1992-01-21 | 1992-07-22 | $7700.00 | Window Closed / Lapsed |