US3843683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha-(3-(4-chlorobenzoyl)-2-methyl-6-methoxy-1-ndole)-acetic acid
Assignee: STWB Inc
•
Filing: 1971-11-22
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Granted: 1974-10-22
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Expires: 1991-11-22
Abstract
Abstract New 3-substituted-1-indole-lower-alkanoic acids and esters having useful anti-inflammatory activity and prepared by alkylation of a 3-substituted-indole with an appropriate halolower-alkanoic acid or ester.
Inventors
- 👤 M Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:33
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/12; C07D209/08; C07D209/30; C07D209/32; C07D209/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
2 words
A-(3-(4-CHLOROBENZOYL)-2-METHYL-6-METHOXY-1-INDOLE)ACETIC ACID.
Claim 2
Dependent Claim
2 words
A-(3-(4-CHLOROBENZOYL)-2-METHYL-6-METHOXY-1-INDOLE)ACETIC ACID.
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) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |