US3914264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-Lower alkoxy-3-(lower alkylthio)-1,4-naphthoquinone
Assignee: Wyeth Holdings LLC
•
Filing: 1975-01-30
•
Granted: 1975-10-21
•
Expires: 1995-01-30
Abstract
Abstract This disclosure describes novel 2-lower alkoxy-3-(lower alkylthio)-1,4-naphthoquinones which possess antifungal activity.
Inventors
- 👤 Jr Joseph William Marsico
- 👤 Leon Goldman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:41
CPC Classifications
C; C07; C07C; C07C323/00; C07C323/22; A; A01; A01N; A01N35/00; A01N35/06; C07C2602/00; C07C2602/02; C07C2602/04; C07C2602/10
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE OF THE FORMULA:
Claim 2
Dependent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE OF THE FORMULA:
Claim 3
Dependent Claim
15 words
The compound according to claim 1 wherein R1 is hydrogen and R2 is methyl; 2-methoxy-3-(methylthio)-1,4-naphthoquinone.
Claim 4
Dependent Claim
15 words
The compound according to claim 1 wherein R1 is hydrogen and R2 is ethyl; 2-methoxy-3-(ethylthio)-1,4-naphthoquinone.
Claim 5
Dependent Claim
15 words
The compound according to claim 1 wherein R1 is methyl and R2 is methyl; 2-ethoxy-3-(methylthio)-1,4-naphthoquinone.
Claim 6
Dependent Claim
15 words
The compound according to claim 1 wherein R1 is methyl and R2 is ethyl; 2-ethoxy-3-(ethylthio)-1,4-naphthoquinone.
Claim 7
Dependent Claim
15 words
The compound according to claim 1 wherein R1 is hydrogen and R2 is n-propyl; 2-methoxy-3-(n-propylthio)-1,4-naphthoquinone.
Claim 8
Dependent Claim
15 words
The compound according to claim 1 wherein R1 is hydrogen and R2 is isopropyl; 2-methoxy-3-(isopropylthio)-1,4-naphthoquinone.
Claim 9
Dependent Claim
15 words
The compound according to claim 1 wherein R1 is n-butyl and R2 is n-butyl; 2-(n-pentyloxy)-3-(n-butylthio-1,4-naphthoquinone.
Claim 10
Dependent Claim
15 words
The compound according to claim 1 wherein R1 is n-pentyl and R2 is isobutyl; 2-(n-hexyloxy)-3-(isobutylthio)1,4-naphthoquinone.
References Cited (Backward Citations)
US3328301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-20 | 1979-04-21 | 1979-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-20 | 1983-04-21 | 1983-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-20 | 1987-04-21 | 1987-10-21 | $7700.00 | Window Closed / Lapsed |