Oil-in-water emulsion fluids
US4428855A · kind A · utility
8Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 1982 |
| Grant date | Jan 31, 1984 |
| Priority date | — |
| Expiry date | Aug 25, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2050/01
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
High water content fluids, i.e. oil-in-water emulsion hydraulic fluids are stabilized and/or made resistant to hard water by a co-emulsifier system consisting of water soluble alkyl alkanol amines or a heterocyclic amine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.