Low-viscosity opacifier concentrates
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United States of America Patent
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Mar 30, 1999
Grant Date -
N/A
app pub date -
Oct 31, 1997
filing date -
Mar 29, 1995
priority date (Note) -
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Abstract
The invention relates to opacifiers containing waxes and a mixture of two emulsifiers with different HLB values. The low-viscosity opacifier concentrates are based on waxes with a solids content of 40 to 60% by weight which are characterized that they contain at least one hydrophilic nonionic surfactant with an HLB value above 10 and at least one hydrophobic nonionic surfactant with ab HLB value below 10 as emulsifiers.
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