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US4278796A Expired / Lapsed US ⏱️ 0.0 years remaining

Piperazines

Assignee: Camillo Corvi SpA
•
Filing: 1979-11-28
•
Granted: 1981-07-14
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Expires: 1999-11-28
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Abstract

Abstract New piperazine derivatives and homologs thereof of formula ##STR1## wherein n is equal to 2 or 3 and m to 1, 2 or 3; X represents hydrogen or a methyl group; R represents hydrogen or a C 1 to C 6 lower alkyl group or a C 1 to C 3 hydroxyalkyl group; and R 1 is a cyclohexyl group of formula ##STR2## wherein R 2 is hydrogen or a C 1 to C 6 lower alkyl group. The compounds have antiulcer and antisecretory activity.

Inventors

  • 👤 Camillo Corvi-Mora

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 22:27
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/14; C07D295/145; C07D295/15; A; A61; A61P; A61P25/00; A61P25/08; A61P35/00; A61P43/00

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 22 words
A piperazine derivative selected from the group consisting of compounds of the formulae ##STR7## and the pharmaceutically acceptable salts thereof with acids.
Claim 2
Dependent Claim 22 words
A piperazine derivative selected from the group consisting of compounds of the formulae ##STR7## and the pharmaceutically acceptable salts thereof with acids.
Claim 3
Dependent Claim 12 words
The compound of formula ##STR8## and its pharmaceutically acceptable salts with acids.
Claim 4
Dependent Claim 12 words
The compound of formula ##STR8## and its pharmaceutically acceptable salts with acids.
Claim 5
Dependent Claim 12 words
The compound of formula ##STR9## and its pharmaceutically acceptable salts with acids.
Claim 6
Dependent Claim 12 words
The compound of formula ##STR9## and its pharmaceutically acceptable salts with acids.
Claim 7
Dependent Claim 12 words
The compound of formula ##STR10## and its pharmaceutically acceptable salts with acids.
Claim 8
Dependent Claim 12 words
The compound of formula ##STR10## and its pharmaceutically acceptable salts with acids.
Claim 9
Dependent Claim 12 words
The compound of formula ##STR11## and its pharmaceutically acceptable salts with acids.
Claim 10
Dependent Claim 12 words
The compound of formula ##STR11## and its pharmaceutically acceptable salts with acids.
Claim 11
Dependent Claim 12 words
The compound of formula ##STR12## and its pharmaceutically acceptable salts with acids.
Claim 12
Dependent Claim 12 words
The compound of formula ##STR12## and its pharmaceutically acceptable salts with acids.
Claim 13
Dependent Claim 12 words
The compound of formula ##STR13## and its pharmaceutically acceptable salts with acids.
Claim 14
Dependent Claim 12 words
The compound of formula ##STR13## and its pharmaceutically acceptable salts with acids.

References Cited (Backward Citations)

US4123530A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-07-13 1985-01-12 1985-07-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-07-13 1989-01-12 1989-07-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-07-13 1993-01-12 1993-07-14 $7700.00 Window Closed / Lapsed

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