Patent US3558640A successfully refreshed from Google Patents.
US3558640A
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Certain pyridyl and thiazolyl methylthiopropionic acids and derivatives
Assignee: Merck and Co Inc
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Filing: 1967-12-20
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Granted: 1971-01-26
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Expires: 1987-12-20
Abstract
Abstract THIS INVENTION RELATES TO THE PREPARATION OF ARYL AND HETEROARYLMETHYLTHIOPROPIONIC ACIDS, THE NON-TOXIC PHARMACEUTICALLY ACCEPTABLE SALTS, ESTERS, AMIDES AND THE REDUCED CARBONYL PRODUCTS OF THESE ARYL AND HETEROARYLMETHYLTHIOPROPIONIC ACIDS AND DERIVATIVES. THE CONPOUNDS OF THIS INVENTION ARE USEFUL AS ANTI-INFLAMMATORY AGENTS AND MAY BE USED IN THE TREATMENT OF DISEASES WHICH ARE SUSCEPTIBLE TO SUCH AGENTS.
Inventors
- 👤 Tsung-Ying Shen
- 👤 Conrad P Dorn Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:13
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/32; C07D207/33; C07D207/333; C07C; C07C17/00; C07C17/093; C07C17/10; C07C17/14; C07C17/16; C07C205/00; C07C205/07; C07C205/11; C07C317/00; C07C321/00; C07C323/00; C07C45/00; C07C45/61; C07C45/63; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/26; C07D213/28; C07D213/32; C07D213/60; C07D213/62; C07D213/63; C07D213/64; C07D213/70; C07D213/78; C07D213/84; C07D215/00; C07D215/02; C07D215/12; C07D233/00; C07D233/54; C07D233/64; C07D277/00; C07D277/02; C07D277/20; C07D277/22; C07D277/26; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/56; C07D307/70; C07D307/71; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/14; C07D333/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |