US4407822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Benzamido-alkyl-hydroxamic acid derivatives
Assignee: Cephalon France SAS
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Filing: 1982-03-19
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Granted: 1983-10-04
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Expires: 2002-03-19
Abstract
Abstract The present invention relates, as new industrial products, to 3-(aminobenzamido)-propionhydroxamic acids of formula: ##STR1## and their acid addition salts. These products are useful in therapeutics. The compounds of formula I may be prepared by catalytic hydrogenation of the corresponding 3-(nitro-benzamido)-propionhydroxamic acids.
Inventors
- 👤 Louis Lafon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:41
CPC Classifications
C; C07; C07C; C07C259/00; C07C259/04; C07C259/06; A; A61; A61P; A61P25/00; A61P25/20
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
7 words
3-(3-aminobenzamido)-propionhydroxamic acid and its acid addition salts.
Claim 2
Dependent Claim
7 words
3-(3-aminobenzamido)-propionhydroxamic acid and its acid addition salts.
Claim 3
Dependent Claim
22 words
A therapeutical composition comprising, in association with a physiologically acceptable excipient, a pharmaceutically effective amount of a compound according to claim 1.
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) | 1986-10-03 | 1987-04-04 | 1987-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-03 | 1991-04-04 | 1991-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-03 | 1995-04-04 | 1995-10-04 | $7700.00 | Window Closed / Lapsed |