Patent US3755427A successfully refreshed from Google Patents.
US3755427A
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2-(mono-and difluoro-4-biphenyl)propionic acids
Assignee: Boots Co PLC
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Filing: 1969-07-25
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Granted: 1973-08-28
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Expires: 1989-07-25
Abstract
Abstract 2-(2-FLUORO-4-BIPHENYLYL) PROPIONIC ACID, 2-(2''-FLUORO-4PIPHENYLY) PROPIONIC ACID AND 2-N282''-FIFLUORO-4-BIPHENYLYL) PROPIONIC ACID POSSESSING GREAT ANTI-INFLAMMATORY, ANALESIC, AND ANTIPYRETIC ACTIVITIES.
Inventors
- 👤 S Adams
- 👤 A Blancafort
- 👤 J Bernard
- 👤 J Nicholson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:22
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/02; C07D295/027; C07D295/03; A; A61; A61K; A61K31/00; A61K31/185; A61K31/19; A61K31/192; C07C; C07C17/00; C07C17/26; C07C17/263; C07C205/00; C07C205/06; C07C205/07; C07C205/11; C07C205/12; C07C205/45; C07C205/49; C07C205/56; C07C245/00; C07C245/12; C07C245/14; C07C323/00; C07C33/00; C07C33/40; C07C33/46; C07C33/48; C07C33/486; C07C45/00; C07C45/004; C07C45/45; C07C45/46; C07C45/61; C07C45/63; C07C49/00; C07C49/76; C07C49/782; C07C49/80; C07C49/813; C07C57/00; C07C57/52; C07C57/58; C07C57/60; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C59/76; C07C59/84
Claims Analysis
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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) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |