All aqueous formulations of organo-phosphorous pesticides
US4851217A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 5, 1987 |
| Grant date | Jul 25, 1989 |
| Priority date | — |
| Expiry date | May 5, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N25/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A composition of matter and method of making the composition which relates to an all aqueous, phase stable emulsion of organophosphorous pesticides which is free of organic solvents. The composition comprises from about 40 to 95 percent by weight of an organophosphorous selected from the group consisting of phosphates, phosphorothioates and phosphorothionates, and mixtures thereof, from about 3 to 10 percent by weight of an nonionic block, heteric, heteric/block copolymer of ethylene oxide and propylene oxide, from about 3 to 16 percent by weight urea, and about 20 to 50 percent water. The composition is made by blending these components together under moderate agitation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.