Patent US4188486A successfully refreshed from Google Patents.
US4188486A
Expired / Lapsed
US
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2-Substituted benzimidazole compounds
Assignee: Kanebo Ltd
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Filing: 1977-12-02
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Granted: 1980-02-12
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Expires: 1997-12-02
Abstract
Abstract 2-Substituted benzimidazole compounds of the formula: ##STR1## wherein R 1 is hydrogen, halogen, lower alkyl or lower alkoxy, and R 2 is hydrogen or lower alkyl with the proviso that R 1 and R 2 do not stand for hydrogen simultaneously and, when R 1 is hydrogen, R 2 cannot mean a methyl group at the 6th position on the pyridin-2-yl group or methyl an isobutyl group on the phenyl group; are useful as anti-inflammatory agents and/or analgesics.
Inventors
- 👤 Goro Tsukamoto
- 👤 Koichiro Yoshino
- 👤 Toshihiko Kohno
- 👤 Masahiro Taguchi
- 👤 Katsumi Dezawa
- 👤 Hajime Kagaya
- 👤 Keiso Ito
- 👤 Takashi Nose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:14
CPC Classifications
C; C07; C07D; C07D235/00; C07D235/02; C07D235/04; C07D235/18
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
15 words
An anti-inflammatory compound selected from the group consisting of 2-(6-methylpyridin-2yl)-5(6)-methylbenzimidazole; 2-(6-methylpyridin-2yl)-5(6)-methylbenzimidazole; 2-(6-methylpyridin-2-yl)-5(6)-chlorobenzimidazole; 2-(5-ethylpyridin-2-yl)-benzimidazole; and 2-(6-ethylpyridin-2-yl)-benzimidazole.
Claim 2
Dependent Claim
15 words
An anti-inflammatory compound selected from the group consisting of 2-(6-methylpyridin-2yl)-5(6)-methylbenzimidazole; 2-(6-methylpyridin-2yl)-5(6)-methylbenzimidazole; 2-(6-methylpyridin-2-yl)-5(6)-chlorobenzimidazole; 2-(5-ethylpyridin-2-yl)-benzimidazole; and 2-(6-ethylpyridin-2-yl)-benzimidazole.
Claim 3
Dependent Claim
7 words
A compound according to claim 1, 2-(6-methylpyridin-2-yl)-5(6)-methylbenzimidazole.
Claim 4
Dependent Claim
7 words
A compound according to claim 1, 2-(6-methylpyridin-2-yl)-5(6)-methoxybenzimidazole.
Claim 5
Dependent Claim
7 words
A compound according to claim 1, 2-(6-methylpyridin-2-yl)-5(6)-chlorobenzimidazole.
Claim 6
Dependent Claim
7 words
A compound according to claim 1, 2-(5-ethylpyridin-2-yl)-benzimidazole.
Claim 7
Dependent Claim
7 words
A compound according to claim 1, 2-(6-ethylpyridin-2-yl)-benzimidazole.
References Cited (Backward Citations)
GB1021393A
Cited
FR1555336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-02-11 | 1983-08-13 | 1984-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-02-11 | 1987-08-13 | 1988-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-02-11 | 1991-08-13 | 1992-02-12 | $7700.00 | Window Closed / Lapsed |