US3624142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted biphenyl acetic acid derivatives
Assignee: Merck and Co Inc
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Filing: 1964-09-10
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Granted: 1971-11-30
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Expires: 1984-09-10
Abstract
Abstract The invention relates to new substituted biphenyl acetic acids and derivatives thereof. These novel compounds are useful as antiinflammatory agents and for the control of arthritic conditions.
Inventors
- 👤 Tsung-Ying Shen
- 👤 Conrad P Dorn Jr
- 👤 Bruce E Witzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:46
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/06; C07C; C07C201/00; C07C201/06; C07C201/12; C07C205/00; C07C205/45; C07C205/49; C07C205/56; C07C205/57; C07C227/00; C07C227/04; C07C229/00; C07C229/52; C07C231/00; C07C231/02; C07C253/00; C07C253/30; C07C303/00; C07C303/02; C07C303/16; C07C303/36; C07C303/38; C07C315/00; C07C315/02; C07C317/00; C07C317/44; C07C319/00; C07C319/02; C07C319/14; C07C323/00; C07C323/50; C07C323/62; C07C45/00; C07C45/004; C07C45/41; C07C45/45; C07C45/46; C07C45/61; C07C45/63; C07C51/00; C07C51/06; C07C51/09; C07C51/347; C07C51/363; C07C57/00; C07C57/30; C07C57/38; C07C57/52; C07C57/58; C07C57/62; C07C59/00; C07C59/40; C07C59/42; C07C59/56; C07C67/00; C07C67/14; C07C67/30; C07C67/303; C07C67/307; C07C67/31; C07C67/313; C07C67/317; C07C67/327; C07C67/333; C07C67/343; C07C2601/00; C07C2601/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A compound according to claim 1 where X is COOH; R1 is hydrogen; R2 is lower alkyl; R4 is fluoro; m is 0; and n is 1.
Claim 2
Dependent Claim
3 words
Alpha -Methyl-4''-fluoro-4-biphenylacetic 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) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |