US4007225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-Benzoylindan-1-carboxamide and derivatives thereof
Assignee: Takeda Pharmaceutical Co Ltd
•
Filing: 1976-01-09
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Granted: 1977-02-08
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Expires: 1996-01-09
Abstract
Abstract Compounds of the formula: ##STR1## wherein R 1 is an aryl group which may be substituted, R 2 is hydrogen or a lower alkyl group having 1 to 4 carbon atoms and n is 1 or 2, or derivatives at the carboxyl function thereof, are useful as medicines such as antipyretics, analgesics and anti-inflammatory agents.
Inventors
- 👤 Shunsaku Noguchi
- 👤 Tetsuya Aono
- 👤 Yoshiaki Araki
- 👤 Kiyohisa Kawai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:43
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/76; C07C49/80; C07C49/813; C07C45/00; C07C45/27; C07C45/28; C07C45/45; C07C45/46; C07C49/587; C07C49/657; C07C49/665; C07C49/67; C07C49/687; C07C49/697; C07C49/753; C07C49/755; C07C49/782; C07C49/792
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
52 words
A compound of the formula ##STR7## wherein R 1 is phenyl which is unsubstituted or substituted by lower alkyl having 1 to 4 carbon atoms, lower alkoxy having 1 to 4 carbon atoms, halogen, mono- or di-alkylamino having 1 to 3 carbon atoms, acetylamino, or propionylamino and n is 1 or 2.
Claim 2
Dependent Claim
52 words
A compound of the formula ##STR7## wherein R 1 is phenyl which is unsubstituted or substituted by lower alkyl having 1 to 4 carbon atoms, lower alkoxy having 1 to 4 carbon atoms, halogen, mono- or di-alkylamino having 1 to 3 carbon atoms, acetylamino, or propionylamino and n is 1 or 2.
Claim 3
Dependent Claim
10 words
A compound claimed in claim 1 wherein n is 1.
Claim 4
Dependent Claim
10 words
A compound claimed in claim 1 wherein n is 2.
Claim 5
Dependent Claim
14 words
A compund claimed in claim 1 wherein R 1 is phenyl which is unsubstituted.
Claim 6
Dependent Claim
44 words
A compound claimed in claim 1 wherein R 1 is phenyl which is substituted by lower alkyl having 1 to 4 carbon atoms, lower alkoxy having 1 to 4 carbon atoms, halogen, mono- or di-alkylamino having 1 to 3 carbon atoms, acetylamino, or propionylamino.
Claim 7
Dependent Claim
11 words
A compound claimed in claim 1 wherein the compound is 4-benzoylindan-1-carboxamide.
Claim 8
Dependent Claim
11 words
A compound claimed in claim 1 wherein the compound is 4-(p-chlorobenzoyl)indan-1-carboxamide.
Claim 9
Dependent Claim
11 words
A compound claimed in claim 1 wherein the compound is 4-(p-toluoyl)indan-1-carboxamide.
Claim 10
Dependent Claim
11 words
A compound claimed in claim 1 wherein the compound is 4-(p-methoxybenzoyl)indan-1-carboxamide.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-08 | 1980-08-09 | 1981-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-08 | 1984-08-09 | 1985-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-08 | 1988-08-09 | 1989-02-08 | $7700.00 | Window Closed / Lapsed |