Polyoxyalkylene aminosilicone-based antifoam agent and its process of manufacture
US8481476B2 · kind B2 · utility
5Cited by
6References
20Claims
0Family size
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Inventor
Key dates
| Filing date | Feb 21, 2011 |
| Grant date | Jul 9, 2013 |
| Priority date | — |
| Expiry date | Feb 21, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D7/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Modified aminoalkyl- and polyoxyalkylene-functional organopolysiloxanes exhibit delayed antifoaming activity in washing operations, minimizing foaming of rinse water. When applied to a pulverulent carrier, they may also be used in powder detergent formulations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.