High efficiency antifoam compositions and process for reducing foaming
US4395352A · kind A · utility
36Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 1980 |
| Grant date | Jul 26, 1983 |
| Priority date | — |
| Expiry date | Jan 14, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D19/0409
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Antifoam compositions containing high viscosity polydiorganosiloxane oils, finely divided hydrophobic solids, and siloxanepolyoxyalkylene block copolymer surfactants, which can be used per se or in the form of emulsions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.