US3736334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-cholesterol phenoxyacetic acid esters
Assignee: Roche Diagnostics GmbH
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Filing: 1971-01-19
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Granted: 1973-05-29
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Expires: 1991-01-19
Abstract
Abstract WHEREIN X IS A VALENCY BOND, A SULFUR OR OXYGEN ATOM, A SATURATED OR UNSATURATED ALKYLENE RADICAL OR AN OXAMETHYLENE OR THIAMETHYLENE RADICAL, R1 AND R2, WHICH MAY BE THE SAME OR DIFFERENT, ARE HYDROGEN ATOMS OR METHYL RADICALS, AND R3 IS A HYDROGEN OR HALOGEN ATOM, WHICH COMPOUNDS SERVE TO REDUCE THE CHOLESTEROL LEVEL IN BLOOD. THE PROCESS OF MAKING AND USING THE COMPOUNDS ARE ALSO COVERED. PHENYLENE)-) X<(-(1,2-PHENYLENE)-CH(-OOC-C(-R1)(-R2)-O-C6H4-R3)-(1,2- PHENOXYACETIC ACID ESTERS OF THE FORMULA
Inventors
- 👤 W Winter
- 👤 M Thiel
- 👤 K Stach
- 👤 F Schmidt
- 👤 H Stork
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:00
CPC Classifications
C; C07; C07D; C07D311/00; C07D311/02; C07D311/78; C07D311/80; C07D311/82; C07D311/84; C07D311/86; C07D313/00; C07D313/02; C07D313/06; C07D313/10; C07D313/12; C07D337/00; C07D337/02; C07D337/06; C07D337/10; C07D337/12; C07C; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/06; C07C2603/10; C07C2603/12; C07C2603/18
Claims Analysis
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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) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |