Patent US3891671A successfully refreshed from Google Patents.
US3891671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-(2-pyrrolidyl or piperidyl alkyl)-4-hydroxy benzamides
Assignee: Societe dEtudes Scientifiques et Industrielles de lIle de France SA
•
Filing: 1973-07-24
•
Granted: 1975-06-24
•
Expires: 1993-07-24
Abstract
Abstract The heterocyclic benzamides of this invention are particularly effective as anti-emetics. For example, when they are administered to dogs in relatively small dosage, they afford 100% protection against vomiting. They are also non-toxic in dosages for effecting complete control of vomiting.
Inventors
- 👤 Michel Leon Thominet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:52
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/44; A61K31/445; C; C07; C07D; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/18; C07D211/26
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
27 words
A COMPOUND SELECTED FROM THE GROUP CONSISTNG OF HETEROCYCLIC BENZAMIDES AND THEIR PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS AND QUATERNARY AMMONIUM SALTS, SAID HETEROCYCLIC BENZAMIDES HAVING THE FORMULA:
Claim 2
Dependent Claim
27 words
A COMPOUND SELECTED FROM THE GROUP CONSISTNG OF HETEROCYCLIC BENZAMIDES AND THEIR PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS AND QUATERNARY AMMONIUM SALTS, SAID HETEROCYCLIC BENZAMIDES HAVING THE FORMULA:
Claim 3
Dependent Claim
14 words
A compound of claim 1 in which R is ethyl and m is 1.
Claim 4
Dependent Claim
13 words
A compound of claim 1, said compound being a racemic form of N-(1-ethyl-2-pyrrolidylmethyl)-2-methoxy-4-hydroxy-5-chlorobenzamide.
Claim 5
Dependent Claim
14 words
A compound of claim 1, said compound being in the levo or dextro form.
Claim 6
Dependent Claim
13 words
A compound of claim 1, said compound being the dextro form of N-(1-ethyl-2-pyrrolidylmethyl)-2-methoxy-4-hydroxy-5-chlorobenzamide.
Claim 7
Dependent Claim
13 words
A compound of claim 1, said compound being the levo form of N-(1-ethyl-2-pyrrolidylmethyl)-2-methoxy-4-hydroxy-5-chlorobenzamide.
Claim 8
Dependent Claim
10 words
A compound of claim 1, said compound being N-(1-ethyl-2-pyrrolidylmethyl)-2-methoxy-4-hydroxy-5-chlorobenzamide bromomethylate.
Claim 9
Dependent Claim
10 words
A compound of claim 1, said compound being N-(1-propyl-2-pyrrolidylmethyl)-2-ethoxy-4-hydroxy-5-bromobenzamide hydrochloride.
References Cited (Backward Citations)
US3342826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-06-23 | 1978-12-23 | 1979-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-23 | 1982-12-23 | 1983-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-23 | 1986-12-23 | 1987-06-24 | $7700.00 | Window Closed / Lapsed |