US2736729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substitution products of 1,3,4-thiadiazole and process
Assignee: BASF SE
•
Filing: 1954-08-09
•
Granted: 1956-02-28
•
Expires: 1974-08-09
Abstract
No abstract record available.
Inventors
- 👤 Dr Hans Krzikalla
- 👤 Dr Heinz Pohlemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:43
CPC Classifications
C; C07; C07D; C07D285/00; C07D285/01; C07D285/02; C07D285/04; C07D285/12; C07D285/125; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61Q; A61Q17/00; A61Q17/04; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/462; C04B35/465; C08; C08G; C08G12/00; C08G12/02; C08G12/04; C08G12/06; C08G12/10; C08G79/00; C08G79/02; C08G79/06; C08K; C08K5/00; C08K5/36; C08K5/45; C08K5/46; C08K5/47; C09; C09K; C09K15/00; C09K15/04; C09K15/30; C10; C10M; C10M1/00; C10M1/08; C11; C11D; C11D3/00; C11D3/16; C11D3/34; C11D3/3481; C11D3/349; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/16; C23F11/165; C23G; C23G1/00; C23G1/14; C23G1/16; C23G1/18; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06M15/43; D06M15/431; D06M15/667; C10M2219/00; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2223/00; C10M2223/12; C10M2223/121; C10N; C10N2010/00; C10N2010/04; C10N2030/00; C10N2030/12; C11D3/3427; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
THIODIAZOLE DERIVATIVES OF THE GENERAL FORMULA
Claim 2
Dependent Claim
6 words
THIODIAZOLE DERIVATIVES OF THE GENERAL FORMULA
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) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |