Patent US4148798A successfully refreshed from Google Patents.
US4148798A
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[(1,1-dioxo-1,2-benzisothiazol-3-yl)amino]alkanoic acids and esters thereof
Assignee: ER Squibb and Sons LLC
•
Filing: 1978-02-03
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Granted: 1979-04-10
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Expires: 1998-02-03
Abstract
Abstract [(1,1-Dioxo-1,2-benzisothiazol-3-yl)amino]alkanoic acids, esters and salts thereof which have the general formula ##STR1## are useful as anti-inflammatory agents.
Inventors
- 👤 Peter C. Wade
- 👤 B. Richard Vogt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:25
CPC Classifications
C; C07; C07D; C07D275/00; C07D275/04; C07D275/06
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
7 words
A compound of the formula ##STR9## wherein
Claim 2
Dependent Claim
7 words
A compound of the formula ##STR9## wherein
Claim 3
Dependent Claim
6 words
R is hydrogen or lower alkyl;
Claim 4
Dependent Claim
6 words
R is hydrogen or lower alkyl;
Claim 5
Dependent Claim
7 words
Q is lower alkylene, cyclopentyl or cyclohexyl;
Claim 6
Dependent Claim
7 words
Q is lower alkylene, cyclopentyl or cyclohexyl;
Claim 7
Dependent Claim
10 words
X is hydrogen, halogen, lower alkyl, lower alkoxy or nitro;
Claim 8
Dependent Claim
10 words
X is hydrogen, halogen, lower alkyl, lower alkoxy or nitro;
Claim 9
Dependent Claim
23 words
Y is hydrogen, lower alkoxy or halogen, X being the same as Y when Y is other than hydrogen; and basic salts thereof.
Claim 10
Dependent Claim
23 words
Y is hydrogen, lower alkoxy or halogen, X being the same as Y when Y is other than hydrogen; and basic salts thereof.
Claim 11
Dependent Claim
13 words
A compound as in claim 1 wherein X and Y are both hydrogen.
Claim 12
Dependent Claim
24 words
A compound as in claim 1 wherein X and Y are both hydrogen; R is hydrogen or lower alkyl; and Q is lower alkylene.
Claim 13
Dependent Claim
10 words
A compound as in claim 3 wherein R is ethyl.
Claim 14
Dependent Claim
18 words
A compound as in claim 2 wherein R is ethyl and Q is (CH 2 ) 3 .
Claim 15
Dependent Claim
16 words
A compound as in claim 2 wherein R is ethyl and Q is CH 2 .
Claim 16
Dependent Claim
16 words
A compound as in claim 2 wherein R is hydrogen and Q is CH 2 .
Claim 17
Dependent Claim
18 words
A compound as in claim 2 wherein R is hydrogen and Q is (CH 2 ) 3 .
Claim 18
Dependent Claim
10 words
A compound as in claim 1 wherein Y is hydrogen.
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) | 1982-04-09 | 1982-10-09 | 1983-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-09 | 1986-10-09 | 1987-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-09 | 1990-10-09 | 1991-04-10 | $7700.00 | Window Closed / Lapsed |