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US 12,668,758 B2Granted
Foam control composition
AssigneeWacker Chemie AG
InventorsJohn Young, Hagit Levin, Tianyue Zheng
Life of this patent
Estimating the term…
Abstract
A foam control composition includes a component (A) and a component (B). Component (A) includes units of the formula [SiO4/2]a[(R1O)SiO3/2]b[(R2O)SiO3/2]b′[(R1O)2SiO2/2]c[(R1O)(R2O)SiO2/2]c′[(R2O)2SiO2/2]c″[(R1O)3SiO1/2]d[(R1O)2(R2O)SiO1/2]d′[(R1O)(R2O)2SiO1/2]d″[(R2O)3SiO1/2]d′″. Component (B) comprises a filler.
Claims15
A foam control composition, comprising:
- a component (A) comprising units of the formula [SiO4/2]a[(R1O)SiO3/2]b[(R2O)SiO3/2]b′[(R1O)2SiO2/2]c[(R1O)(R2O)SiO2/2]c′[(R2O)2SiO2/2]c″[(R1O)3SiO1/2]d[(R1O)2(R2O)SiO1/2]d′[(R1O)(R2O)2SiO1/2]d″[(R2O)3SiO1/2]d′″ in which
- R1 is a substituted or unsubstituted, linear or branched, hydrocarbon radical having 6 to 40 carbon atoms,
- R2 is a hydrogen or a saturated or unsaturated radical having 1 to 12 carbon atoms, wherein the subscripts a, b, b′, c, c′, c″, d, d′, d″, and d′″ each have a value in a range of 0 to 100,000 subject to the limitation that a+b+b′+c+c′+c″+d+d′+d″+d′″ is equal to 2 or more and that component (A) comprises R2 radicals in a range of 0.1-20 mol % based on a sum of all R1 and R2 radicals in component (A);
- and
- a component (B) comprising a filler.
2 more elements
Dependencies are inferred from the claim text.