US3759939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain 1-(1,3,4-thiadiazol-2-yl)-imidazolidinone-(2) compounds
Assignee: Bayer AG
•
Filing: 1971-03-10
•
Granted: 1973-09-18
•
Expires: 1991-03-10
Abstract
Abstract Certain novel 1-(1,3,4-thiadiazol-2-yl)-imidazolidinone-(2) compounds of the formula:
Inventors
- 👤 C Metzger
- 👤 D Rucker
- 👤 L Eue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:28
CPC Classifications
C; C07; C07D; C07D417/00; C07D417/02; C07D417/04; G; G05; G05B; G05B2219/00; G05B2219/30; G05B2219/37; G05B2219/37357; G05B2219/41; G05B2219/41118; G05B2219/49; G05B2219/49177
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
17 words
Compound as claimed in claim 1 wherein R is alkyl of from one to four carbon atoms.
Claim 2
Dependent Claim
17 words
Compound as claimed in claim 1 wherein R is haloalkyl of from one to four carbon atoms.
Claim 3
Dependent Claim
21 words
Compound as claimed in claim 1 wherein R is alkylthio of from one to four carbon atoms in the alkyl moiety.
Claim 4
Dependent Claim
22 words
Compound as claimed in claim 1 wherein R is a alkyl-sulfur group wherein the sulfur atom may be in any oxidation state.
Claim 5
Dependent Claim
9 words
Compound as claimed in claim 1 designated 1-(5-methylsulfonyl-1,3,4-thiadiazol-2-yl)-3-methyl-4-methoxy-5 -hydroxyimidazolidinone-(2).
Claim 6
Dependent Claim
9 words
Compound as claimed in claim 1 designated 1-(5-methylsulfonyL-1,3,4-thiadiazol-2-yl)-3-methyl-4-ethoxy-5 -hydroxyimidazolidinone-(2).
Claim 7
Dependent Claim
9 words
Compound as claimed in claim 1 designated 1-(5-tert.butyl-1, 3,4-thiadiazol-2-yl)-3-methyl-4-ethoxy-5-hydroxyimidazolidinone-(2).
Claim 8
Dependent Claim
9 words
Compound as claimed in claim 1 designated 1-(5-tert.butyl-1, 3,4-thiadiazol-2-yl)-3-methyl-4-methoxy-5-hydroxyimidazolidinone-(2).
Claim 9
Dependent Claim
9 words
Compound as claimed in claim 1 designated 1-(5-tert.butyl-1, 3,4-thiadiazol-2-yl)-3-methyl-4-isoproxy-5-hydroxyimidazolidinone-(2).
Claim 10
Dependent Claim
9 words
Compound as claimed in claim 1 designated 1-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)-3-methyl-4-methoxy-5 -hydroxyimidazolidinone-(2).
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |