Stable water-in-oil emulsions
US4650827A · kind A · utility
19Cited by
9References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 1983 |
| Grant date | Mar 17, 1987 |
| Priority date | — |
| Expiry date | Nov 2, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2300/14
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In an improved water-in-oil emulsion of the type which contains one or more finely divided water soluble vinyl addition polymers, one or more water soluble water-in-oil emulsifying agents, a hydrocarbon liquid and an aqueous phase, the improvement comprising an aqueous phase ranging from about 30% to about 50% by weight of the emulsion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.