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US4129566A Expired / Lapsed US ⏱️ 0.0 years remaining

Derivatives of dehydrocyclicimino acids

Assignee: ER Squibb and Sons LLC
•
Filing: 1978-02-15
•
Granted: 1978-12-12
•
Expires: 1998-02-15
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Abstract

Abstract New compounds which have the general formula ##STR1## ARE USEFUL AS HYPOTENSIVE AGENTS.

Inventors

  • 👤 Miguel A. Ondetti
  • 👤 Sehsea I. Natarajan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 10:36
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/68; C07D211/72; C07D211/78; A; A61; A61P; A61P43/00; A61P9/00; A61P9/12; C07C; C07C327/00; C07D207/00; C07D207/02; C07D207/18; C07D207/22

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 33 words
A compound of the formula ##STR12## wherein R and R 2 each is hydrogen or lower alkyl; R 1 is hydrogen, m and n each is 0 or 1; and basic salts thereof.
Claim 2
Dependent Claim 33 words
A compound of the formula ##STR12## wherein R and R 2 each is hydrogen or lower alkyl; R 1 is hydrogen, m and n each is 0 or 1; and basic salts thereof.
Claim 3
Dependent Claim 28 words
A compound as in claim 1 wherein R and R 2 each is hydrogen or lower alkyl; R 1 is hydrogen and m and n each is 0.
Claim 4
Dependent Claim 14 words
A compound as in claim 1 wherein R and R 2 each is hydrogen.
Claim 5
Dependent Claim 11 words
A compound as in claim 1 wherein R 1 is hydrogen.
Claim 6
Dependent Claim 10 words
A compound as in claim 1 wherein R is hydrogen.
Claim 7
Dependent Claim 10 words
A compound as in claim 1 wherein n is 1.
Claim 8
Dependent Claim 10 words
A compound as in claim 1 wherein m is 0.
Claim 9
Dependent Claim 10 words
A compound as in claim 1 wherein m is 1.
Claim 10
Dependent Claim 18 words
A compound as in claim 3 wherein R 1 is hydrogen; m is 0; and n is 1.
Claim 11
Dependent Claim 22 words
A compound as in claim 5 wherein R 1 is hydrogen; R 2 is methyl; m is 0; and n is 1.
Claim 12
Dependent Claim 21 words
A compound as in claim 5 wherein R 1 is hydrogen; R 2 is methyl; m and n each is 1.
Claim 13
Dependent Claim 21 words
A compound as in claim 5 wherein R 1 and R 2 each is hydrogen; m and n each is 1.

References Cited (Backward Citations)

US3531490A Cited
US3917815A Cited
US4066658A Cited
US4046889A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-12-11 1982-06-12 1982-12-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-12-11 1986-06-12 1986-12-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-12-11 1990-06-12 1990-12-12 $7700.00 Window Closed / Lapsed

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