Silicone antifoaming agent composition
US5153258A · kind A · utility
16Cited by
13References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1990 |
| Grant date | Oct 6, 1992 |
| Priority date | — |
| Expiry date | Dec 13, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D19/0409
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention provides a silicone antifoaming agent composition excellent in the persistence of the foam controlling effect. The silicone antifoaming agent composition comprises a polydiorganosiloxane and silica, which form an antifoaming agent to be improved, and 1 to 200 parts by weight per 100 parts by weight of the sum total of the polydiorganosiloxane plus silica of a lightly crosslinked siloxane having fluidity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.