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Patent US4814353A successfully refreshed from Google Patents.
US4814353A
Expired / Lapsed
US
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Therapeutic and prophylactic agent for gastritis
Assignee: Eisai Co Ltd
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Filing: 1986-06-25
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Granted: 1989-03-21
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Expires: 2006-06-25
Abstract
Abstract Gastritis is treated and prevented by administration to a human being of a prenyl ketone compound having the formula in which n is 3, 4 or 5. ##STR1##
Inventors
- 👤 Masaharu Itor
- 👤 Kiyokazu Tsujide
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:30
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/12; A61P; A61P1/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
35 words
A method for treating gastritis, which comprises administering to a patient suffering from gastritis a therapeutically effective amount of a prenyl ketone compound having the formula: ##STR7## in which n is 3, 4 or 5.
Claim 2
Independent Claim
35 words
A method for treating gastritis, which comprises administering to a patient suffering from gastritis a therapeutically effective amount of a prenyl ketone compound having the formula: ##STR7## in which n is 3, 4 or 5.
Claim 3
Dependent Claim
12 words
A method as claimed in claim 1, in which n is 3.
Claim 4
Dependent Claim
12 words
A method as claimed in claim 1, in which n is 4.
Claim 5
Dependent Claim
12 words
A method as claimed in claim 1, in which n is 5.
References Cited (Backward Citations)
US4169157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-03-20 | 1992-09-19 | 1993-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-03-20 | 1996-09-19 | 1997-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-03-20 | 2000-09-19 | 2001-03-21 | $7700.00 | Window Closed / Lapsed |