US4273769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
O-Ethyl S-alkyl S-isopropyl phosphoro-dithiolate, and their use as nematocide
Assignee: Sumitomo Chemical Co Ltd
•
Filing: 1980-04-14
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Granted: 1981-06-16
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Expires: 2000-04-14
Abstract
Abstract Nematocidal O-ethyl S-alkyl S-isopropyl phosphorodithiolates.
Inventors
- 👤 Rokuo Koyanagi
- 👤 Yoshio Fujita
- 👤 Kunio Mukai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:25
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/17; A; A01; A01N; A01N57/00; A01N57/10; A01N57/12
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
17 words
An O-ethyl S-alkyl S-isopropyl phosphorodithiolate of the formula (I), ##STR15## wherein R is methyl or ethyl group.
Claim 2
Dependent Claim
17 words
An O-ethyl S-alkyl S-isopropyl phosphorodithiolate of the formula (I), ##STR15## wherein R is methyl or ethyl group.
Claim 3
Dependent Claim
10 words
A compound according to claim 1 wherein R is methyl.
Claim 4
Dependent Claim
18 words
A method for controlling a nematode with a nematocidally effective amount of a compound according to claim 1.
Claim 5
Dependent Claim
23 words
A nematocidal composition comprising an inert carrier and as the active ingredient a nematocidally effective amount of a compound according to claim 1.
Claim 6
Dependent Claim
23 words
A nematocidal composition comprising an inert carrier and as the active ingredient a nematocidally effective amount of a compound according to claim 2.
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) | 1984-06-15 | 1984-12-15 | 1985-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-06-15 | 1988-12-15 | 1989-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-06-15 | 1992-12-15 | 1993-06-16 | $7700.00 | Window Closed / Lapsed |