US3967951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective herbicides
Assignee: Nippon Soda Co Ltd
•
Filing: 1974-01-31
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Granted: 1976-07-06
•
Expires: 1994-01-31
Abstract
Abstract A selective herbicidal composition comprising an effective amount of a compound of the formula ##SPC1## Wherein R is selected from the group consisting of isopropyl and tertbutyl.
Inventors
- 👤 Yoshihiko Hirono
- 👤 Hisao Ishikawa
- 👤 Shozo Yamada
- 👤 Saburo Kano
- 👤 Osami Nomura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:39
CPC Classifications
C; C07; C07D; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/70; C07D277/72; C07D277/82
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
34 words
A method of combating weeds which comprises applying to the weed habitat an effective amount of a compound of the formula ##SPC5## wherein R is selected from the group consisting of isopropyl and tert-butyl.
Claim 2
Independent Claim
34 words
A method of combating weeds which comprises applying to the weed habitat an effective amount of a compound of the formula ##SPC5## wherein R is selected from the group consisting of isopropyl and tert-butyl.
Claim 3
Independent Claim
17 words
A method of combating weeds which comprises applying to the weed habitat an effective amount of 1,3-dimethyl-1-[2-(5-tert-butylbenzothiazolyl)]urea.
Claim 4
Independent Claim
17 words
A method of combating weeds which comprises applying to the weed habitat an effective amount of 1,3-dimethyl-1-[2-(5-tert-butylbenzothiazolyl)]urea.
Claim 5
Independent Claim
40 words
A method of combating weeds in rice or wheat cultivation, which comprises applying to the area of cultivation an effective amount of a compound of the formula ##SPC6## wherein R is selected from the group consisting of isopropyl and tert-butyl.
Claim 6
Independent Claim
40 words
A method of combating weeds in rice or wheat cultivation, which comprises applying to the area of cultivation an effective amount of a compound of the formula ##SPC6## wherein R is selected from the group consisting of isopropyl and tert-butyl.
Claim 7
Dependent Claim
32 words
A selective herbicidal composition comprising an inert carrier and a herbicidally effective amount of a compound of the formula ##SPC7## wherein R is selected from the group consisting of isopropyl and tert-butyl.
Claim 8
Dependent Claim
32 words
A selective herbicidal composition comprising an inert carrier and a herbicidally effective amount of a compound of the formula ##SPC7## wherein R is selected from the group consisting of isopropyl and tert-butyl.
Claim 9
Dependent Claim
15 words
A selective herbicidal composition comprising an inert carrier and a herbicidally effective amount of 1,3-dimethyl-1-[2-(5-tert-butylbenzothiazolyl)]urea.
Claim 10
Dependent Claim
15 words
A selective herbicidal composition comprising an inert carrier and a herbicidally effective amount of 1,3-dimethyl-1-[2-(5-tert-butylbenzothiazolyl)]urea.
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) | 1979-07-06 | 1980-01-05 | 1980-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-06 | 1984-01-05 | 1984-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-06 | 1988-01-05 | 1988-07-06 | $7700.00 | Window Closed / Lapsed |