Patent US604900A successfully refreshed from Google Patents.
Patent US3853872A successfully refreshed from Google Patents.
US3853872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2,3,4,5-substituted thiazoles
Assignee: Wyeth LLC
•
Filing: 1973-05-24
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Granted: 1974-12-10
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Expires: 1993-05-24
Abstract
Abstract Pharmacologically active compounds have been prepared of the following general formulae: The compounds are active as CNS depressants, antitubercular agents and mood elevators.
Inventors
- 👤 P Wei
- 👤 S Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:04
CPC Classifications
C; C07; C07D; C07D513/00; C07D513/02; C07D513/04
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE OF THE FORMULAE:
Claim 2
Dependent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE OF THE FORMULAE:
Claim 3
Dependent Claim
14 words
A compound, as set forth in claim 1 which is: 3-(p-chlorophenyl)-2,3,5,6-tetrahydro-3-hydroxyimidazo(2,1-b)thiazole-2 -acetic acid, hydrobromide.
Claim 4
Dependent Claim
15 words
A compound, set forth in claim 1 which is: 3-(p-chlorophenyl)-2,3,5,6-tetrahydro-3-hydroxyimidazo(2,1-b)thiazole-2 -acetic acid, ethyl ester, hydrobromide.
Claim 5
Dependent Claim
15 words
A compound, as set forth in claim 1, which is: 3-(p-chlorophenyl)-5,6-dihydroimidazo(2,1-b)thiazole-2-acetic acid, ethyl ester, hydrobromide.
Claim 6
Dependent Claim
15 words
A compound, as set forth in claim 1, which is: 2,3,5,6-tetrahydro-3-hydroxy-3-phenylimidazo(2,1-b)thiazole-2-acetic acid, ethyl ester, hydrobromide.
Claim 7
Dependent Claim
16 words
A compound, as set forth in claim 1, which is: 3-(p-chlorophenyl)-2,3,5,6-tetrahydro-3-hydroxyimidazo(2,1-b)thiazole-2 -acetic acid, methyl ester, hydrobromide.
Claim 8
Dependent Claim
15 words
A compound, as set forth in claim 1, which is 3-(p-chlorophenyl)-2,3,6,7-tetrahydro-3-hydroxy-5H-thiazolo(3,2-a)pyrimidine-2-acetic acid, ethyl ester, hydrobromide.
Claim 9
Dependent Claim
15 words
A compound, as set forth in claim 1, which is: 2,3,5,6-tetrahydro-3-hydroxy-3-phenylimidazo(2,1-b)thiazole-2-acetic acid, methyl ester, hydrobromide.
Claim 10
Dependent Claim
13 words
A compound, as set forth in claim 1, which is: 3-(p-chlorophenyl)-2,3,6,7-tetrahydro-3-hydroxy-5H-thiazolo(3,2-a)pyrimidine-2-acetic acid, hydrobromide.
Claim 11
Dependent Claim
14 words
A compound, as set forth in claim 1 which is: 3-(p-chlorophenyl)-2,3,5,6,7,8-hexahydro-3-hydroxythiazolo(3,2-a)(1, 3)diazepine-2-acetic acid, hydrobromide.
References Cited (Backward Citations)
US3507869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-09 | 1978-06-10 | 1978-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-09 | 1982-06-10 | 1982-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-09 | 1986-06-10 | 1986-12-10 | $7700.00 | Window Closed / Lapsed |