Alkylphosphonodiamide herbicides
US5232895A · kind A · utility
4Cited by
4References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1991 |
| Grant date | Aug 3, 1993 |
| Priority date | — |
| Expiry date | Nov 12, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/58
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Herbicides have the formula ##STR1## in which R.sub.1 is C.sub.2 -C.sub.8 alkyl or C.sub.5 -C.sub.8 cycloalkyl; PA1 R.sub.2 is hydrogen or C.sub.1 -C.sub.4 alkyl; PA1 R.sub.3 is phenyl, optionally substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 haloalkoxy, one or more halogens, one or two C.sub.1 -C.sub.4 alkoxy groups, one C.sub.1 -C.sub.4 alkyl and one C.sub.1 -C.sub.4 alkoxy groups, or if R.sub.2 is C.sub.1 -C.sub.4 alkyl, R.sub.3 may also be phenyl substituted by two C.sub.1 -C.sub.4 haloalkyl groups; pyridyl or tolylsulfonyl; PA1 R.sub.4 and R.sub.5 are independently C.sub.2 -C.sub.6 alkyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.