US4629787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted caprolactam derivatives as antihypertensives
Assignee: Merck and Co Inc
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Filing: 1982-07-02
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Granted: 1986-12-16
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Expires: 2002-07-02
Abstract
Abstract The invention in its broad aspects relates to caprolactam derivatives which are useful as angiotensin converting enxyme inhibitors and as antihypertensives.
Inventors
- 👤 Elbert E. Harris
- 👤 Arthur A. Patchett
- 👤 Eugene D. Thorsett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:13
CPC Classifications
C; C07; C07K; C07K5/00; C07K5/04; C07K5/06; C07K5/06139; C07K5/02; C07K5/022; C07K5/0222; A; A61; A61K; A61K38/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
11 words
The compound: ##STR10## and the lower alkyl and benzyl esters thereof.
Claim 2
Dependent Claim
11 words
The compound: ##STR10## and the lower alkyl and benzyl esters thereof.
Claim 3
Dependent Claim
11 words
The compound: ##STR11## and the lower alkyl and benzyl esters thereof.
Claim 4
Dependent Claim
11 words
The compound: ##STR11## and the lower alkyl and benzyl esters thereof.
Claim 5
Dependent Claim
11 words
The compound: ##STR12## and the lower alkyl and benzyl esters thereof.
Claim 6
Dependent Claim
11 words
The compound: ##STR12## and the lower alkyl and benzyl esters thereof.
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) | 1989-12-15 | 1990-06-16 | 1990-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-12-15 | 1994-06-16 | 1994-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-12-15 | 1998-06-16 | 1998-12-16 | $7700.00 | Window Closed / Lapsed |