US3862976A
Expired / Lapsed
US
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Isocyanophenyl carbamates
Assignee: ATK Launch Systems LLC
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Filing: 1972-07-31
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Granted: 1975-01-28
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Expires: 1992-07-31
Abstract
Abstract Novel isocyanophenyl carbamates of the formula WHEREIN X1 and X2 are each oxygen or sulfur; R1 and R2 are each hydrogen, alkyl (C1-C4), aryl, substituted aryl, or cycloaliphatic; R3 is selected from the group consisting of alkyl (C1-C6), alkoxy, allyl, methylenedioxy, haloalkyl, propargyloxy and allyloxy; N IS AN INTEGER FROM 0 TO 4 INCLUSIVE; AND A is phenyl or naphthyl. These compounds are useful as insecticides and acaricides.
Inventors
- 👤 David L Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:18
CPC Classifications
C; C07; C07C; C07C251/00; C07D; C07D317/00; C07D317/08; C07D317/44; C07D317/46; C07D317/48; C07D317/62; C07D317/66
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
16 words
Isocyanophenyl carbamates according to claim 1 wherein R1 is H; R2 is CH3; R3 is CH3.
Claim 2
Dependent Claim
21 words
Isocyanophenyl carbamates according to claim 1 wherein R1 is H; R2 is CH3; R3 is CH3 and isopropyl; n is 2-3.
Claim 3
Dependent Claim
20 words
Isocyanophenyl carbamates according to claim 1 wherein R1 is H; R2 is CH3; R3 is isopropyl; and n is 2.
Claim 4
Dependent Claim
1 words
2,5-dimethyl-4-isocyanophenyl-N-methylcarbamate.
Claim 5
Dependent Claim
1 words
2,3-dimethyl-4-isocyanophenyl-N-methylcarbamate.
Claim 6
Dependent Claim
1 words
3,5-diisopropyl-4-isocyanophenyl-N-methylcarbamate.
Claim 7
Dependent Claim
1 words
2,3,5-trimethyl-4-isocyanophenyl-N-methylcarbamate.
Claim 8
Dependent Claim
1 words
3-methyl-4-isocyanophenyl-N-methylcarbamate.
Claim 9
Dependent Claim
1 words
3-isopropyl-5-methyl-4-isocyanophenyl-N-methylcarbamate.
References Cited (Backward Citations)
US3329702A
Cited
US3577453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-27 | 1978-07-29 | 1979-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-27 | 1982-07-29 | 1983-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-27 | 1986-07-29 | 1987-01-28 | $7700.00 | Window Closed / Lapsed |