US4603144A
Expired / Lapsed
US
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Kojic acid ether-ester derivatives
Assignee: GD Searle LLC
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Filing: 1984-08-16
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Granted: 1986-07-29
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Expires: 2004-08-16
Abstract
Abstract Kojic acid ether-ester derivatives of formula I ##STR1## are useful pharmacological agents for the prevention, management or alleviation of elastase mediated diseases or conditions.
Inventors
- 👤 Arthur L. Campbell
- 👤 Masateru Miyano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:17
CPC Classifications
C; C07; C07D; C07D309/00; C07D309/34; C07D309/36; C07D309/40; A; A61; A61P; A61P29/00; A61P43/00
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
29 words
A compound of the formula, ##STR40## wherein R 3 represents straight or branched chain alkyl of from 1 to 6 carbon atoms; and m is 13 to 17, inclusive.
Claim 2
Dependent Claim
29 words
A compound of the formula, ##STR40## wherein R 3 represents straight or branched chain alkyl of from 1 to 6 carbon atoms; and m is 13 to 17, inclusive.
Claim 3
Dependent Claim
38 words
A compound according to claim 1 of the formula ##STR41## wherein R 3 represents --CH(CH 3 ) 2 , --C(CH 3 ) 3 , --CH 2 CH(CH 3 ) 2 , ##STR42## and m is 13 to 17.
Claim 4
Dependent Claim
20 words
A compound according to claim 2 wherein R 3 is --C(CH 3 ) 3 or --CH(CH 3 ) 2 .
Claim 5
Dependent Claim
10 words
A compound according to claim 2 of the formula ##STR43##
Claim 6
Dependent Claim
10 words
A compound according to claim 2 of the formula ##STR44##
Claim 7
Dependent Claim
10 words
A compound according to claim 2 of the formula ##STR45##
Claim 8
Dependent Claim
39 words
A pharmaceutical composition for promoting an elastase inhibitory anti-inflammatory effect in a mammal in need thereof comprising an elastase inhibitory anti-inflammatory effective amount of at least one compound according to claim 1 in combination with a pharmaceutical carrier therefor.
Claim 9
Dependent Claim
20 words
A composition according to claim 7 wherein R 3 is --C(CH 3 ) 3 or --CH(CH 3 ) 2 .
Claim 10
Dependent Claim
33 words
A method of promoting an elastase inhibitory anti-inflammatory effect in a mammal in need thereof comprising administering thereto an elastase inhibitory anti-inflammatory effective amount of at least one compound according to claim 1.
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) | 1989-07-28 | 1990-01-27 | 1990-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-07-28 | 1994-01-27 | 1994-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-07-28 | 1998-01-27 | 1998-07-29 | $7700.00 | Window Closed / Lapsed |