Patent CA723433A successfully refreshed from Google Patents.
US3759952A
Expired / Lapsed
US
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Ureido dithiolanes and dithianes
Assignee: Zeneca Inc
•
Filing: 1971-10-26
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Granted: 1973-09-18
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Expires: 1991-10-26
Abstract
Abstract IN WHICH R is lower alkyl, R'' is selected from the group consisting of lower alkyl and hydrogen; R1, R2, R3, R4, R5, R6 and R7 each are independently selected from the group consisting of hydrogen and lower alkyl; and n is 0 or 1. These compounds are useful as herbicides. Substituted ureido dithiolane and dithiane compounds having the formula
Inventors
- 👤 E Teach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:22
CPC Classifications
C; C07; C07D; C07D339/00; C07D339/02; C07D339/06; C07D339/08
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
33 words
A compound according to claim 1 in which R is lower alkyl, R'' is hydrogen, R1 is lower alkyl and R2, R3, R4 and R5 are each independently hydrogen, and n is 0.
Claim 2
Dependent Claim
15 words
A compound according to claim 2 in which R is methyl and R1 is methyl.
Claim 3
Dependent Claim
15 words
A compound according to claim 2 in which R is n-butyl and R1 is methyl.
Claim 4
Dependent Claim
33 words
A compound according to claim 1 in which R is lower alkyl, R'' is lower alkyl, R1 is lower alkyl, R2, R3, R4 and R5 are each independently hydrogen, and n is 0.
Claim 5
Dependent Claim
18 words
A compound according to claim 5 in which R is methyl, R'' is methyl and R1 is methyl.
Claim 6
Dependent Claim
33 words
A compound according to claim 1 in which R is lower alkyl, R'', R1, R2, R3, R4 and R5 are each independently hydrogen, n is 1, R6 is hydrogen and R7 is hydrogen.
Claim 7
Dependent Claim
11 words
A compound according to claim 7 in which R is methyl.
Claim 8
Dependent Claim
11 words
A compound according to claim 7 in which R is n-butyl.
Claim 9
Dependent Claim
36 words
A compound according to claim 1 in which R is lower alkyl, R'' is lower alkyl, R1, R2, R3, R4 and R5 are each independently hydrogen, n is 1, R6 is hydrogen and R7 is hydrogen.
Claim 10
Dependent Claim
15 words
A compound according to claim 10 in which R is methyl and R'' is methyl.
Claim 11
Dependent Claim
29 words
A compound according to claim 1 in which R is lower alkyl, R'' is hydrogen, R1, R2, R3, R4 and R5 are each independently hydrogen and n is 0.
Claim 12
Dependent Claim
11 words
A compound according to claim 12 in which R is methyl.
Claim 13
Dependent Claim
30 words
A compound according to claim 1 in which R is lower alkyl, R'' is lower alkyl, R1, R2, R3, R4 and R5 are each independently hydrogen and n is 0.
Claim 14
Dependent Claim
15 words
A compound according to claim 14 in which R is methyl and R'' is methyl.
References Cited (Backward Citations)
US3461137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |