Patent US270968A successfully refreshed from Google Patents.
Patent US4035394A successfully refreshed from Google Patents.
US4035394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-Phenyl-2-furanyl-oxo or-hydroxy alkanoic acids and ethyl esters as gastric acid antisecretory agents
Assignee: ATK Launch Systems LLC
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Filing: 1976-02-24
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Granted: 1977-07-12
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Expires: 1996-02-24
Abstract
Abstract Certain 5-phenyl-2-furanyl-oxo or-hydroxy alkanoic acids and ethyl esters are useful as gastric acid antisecretory agents.
Inventors
- 👤 Stanford S. Pelosi, Jr.
- 👤 Marvin M. Goldenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:16
CPC Classifications
C; C07; C07F; C07F1/00; C07F1/02; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/54
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
32 words
A compound having gastric acid antisecretory activity selected from the group consisting of: A. ethyl 3-[5-(4-nitrophenyl)-2-furanyl]-3-hydroxypropanoate B. 4-[5-(4-chlorophenyl)-2-furanyl]-4-hydroxy butanoic acid C. 3-[5-(2-chlorophenyl)-2-furanyl]-3-hydroxypropanoic acid D. 4-[5-(4-chlorophenyl)-2-furanyl]-4-oxo-butanoic acid E. 3-[5-(2,4-dichlorophenyl)-2-furanyl]-3-hydroxypropanoic acid F. ethyl 3-[5-(4-chlorophenyl)-2-furanyl]-3-oxopropanoate
Claim 2
Dependent Claim
32 words
A compound having gastric acid antisecretory activity selected from the group consisting of: A. ethyl 3-[5-(4-nitrophenyl)-2-furanyl]-3-hydroxypropanoate B. 4-[5-(4-chlorophenyl)-2-furanyl]-4-hydroxy butanoic acid C. 3-[5-(2-chlorophenyl)-2-furanyl]-3-hydroxypropanoic acid D. 4-[5-(4-chlorophenyl)-2-furanyl]-4-oxo-butanoic acid E. 3-[5-(2,4-dichlorophenyl)-2-furanyl]-3-hydroxypropanoic acid F. ethyl 3-[5-(4-chlorophenyl)-2-furanyl]-3-oxopropanoate
Claim 3
Dependent Claim
4 words
The compound ethyl 3-[5-(4-nitrophenyl)-2-furanyl]-3-hydroxypropanoate.
Claim 4
Dependent Claim
4 words
The compound ethyl 3-[5-(4-nitrophenyl)-2-furanyl]-3-hydroxypropanoate.
Claim 5
Dependent Claim
5 words
The compound 4-[5-(4-chlorophenyl)-2-furanyl]-4-hydroxy butanoic acid.
Claim 6
Dependent Claim
5 words
The compound 4-[5-(4-chlorophenyl)-2-furanyl]-4-hydroxy butanoic acid.
Claim 7
Dependent Claim
4 words
The compound 3-[5-(2-chlorophenyl)-2-furanyl]-3-hydroxypropanoic acid.
Claim 8
Dependent Claim
4 words
The compound 3-[5-(2-chlorophenyl)-2-furanyl]-3-hydroxypropanoic acid.
Claim 9
Dependent Claim
4 words
The compound 4-[5-(4-chlorophenyl)-2-furanyl]-4-oxobutanoic acid.
Claim 10
Dependent Claim
4 words
The compound 4-[5-(4-chlorophenyl)-2-furanyl]-4-oxobutanoic acid.
Claim 11
Dependent Claim
4 words
The compound 3-[5-(2,4-dichlorophenyl)-2-furanyl]-3-hydroxypropanoic acid.
Claim 12
Dependent Claim
4 words
The compound 3-[5-(2,4-dichlorophenyl)-2-furanyl]-3-hydroxypropanoic acid.
Claim 13
Dependent Claim
4 words
The compound ethyl 3-[5-(4-chlorophenyl)-2-furanyl]-3-oxopropanoate.
Claim 14
Dependent Claim
4 words
The compound ethyl 3-[5-(4-chlorophenyl)-2-furanyl]-3-oxopropanoate.
References Cited (Backward Citations)
US3962284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-07-11 | 1981-01-10 | 1981-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-11 | 1985-01-10 | 1985-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-11 | 1989-01-10 | 1989-07-12 | $7700.00 | Window Closed / Lapsed |