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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
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Filing: 1973-07-24
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Granted: 1975-06-24
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Expires: 1993-07-24
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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 05:57
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

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