US3379752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenoxy substituted 3-hydroxyalkanoic acids and a method for their preparation
Assignee: Merck and Co Inc
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Filing: 1964-05-20
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Granted: 1968-04-23
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Expires: 1984-05-20
Abstract
No abstract record available.
Inventors
- 👤 William A Bolhofer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:30
CPC Classifications
C; C07; C07C; C07C323/00; A; A61; A61K; A61K31/00; A61K31/185; A61K31/19; C01; C01B; C01B33/00; C01B33/20; C01B33/26; C01B33/28; C01B33/2807; C01B33/2815; C07C45/00; C07C45/27; C07C45/29; C07C47/00; C07C47/20; C07C47/277; C07C51/00; C07C51/09; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C59/66; C07C59/68; C07C59/76; C07C59/90
Claims Analysis
Total Claims: 0
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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) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |