Patent US3969402A successfully refreshed from Google Patents.
US3969402A
Expired / Lapsed
US
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Phenylalkanoic acids
Assignee: Boots Co PLC
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Filing: 1973-06-06
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Granted: 1976-07-13
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Expires: 1993-06-06
Abstract
Abstract New compounds are described that are 2-(hydroxy substituted-4-biphenylyl)propionic acids. Processes of making and using them and pharmaceutical compositions containing them are also described. The compounds have, inter alia, antiinflammatory activity.
Inventors
- 👤 Stewart S. Adams
- 👤 Bernard J. Armitage
- 👤 John S. Nicholson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:51
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/02; C07D263/08; C07D263/10; C07D263/14; C07C; C07C205/00; C07C205/45; C07C37/00; C07C37/001; C07C37/002; C07C39/00; C07C39/24; C07C39/367; C07C45/00; C07C45/61; C07C45/63; C07C45/64; C07C45/65; C07C45/67; C07C45/68; C07C45/70; C07C45/71; C07C47/00; C07C47/20; C07C47/277; C07C49/00; C07C49/76; C07C49/82; C07C49/83; C07C49/84; C07C59/00; C07C59/40; C07C59/42; C07C59/52; C07C59/56; C07C59/58; C07C59/64; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
2 words
2-(2-Hydroxy-4-biphenylylpropionic acid.
Claim 2
Dependent Claim
2 words
2-(2-Hydroxy-4-biphenylylpropionic acid.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-07-13 | 1980-01-12 | 1980-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-13 | 1984-01-12 | 1984-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-13 | 1988-01-12 | 1988-07-13 | $7700.00 | Window Closed / Lapsed |