Compositions: coating or plastic – Coating or plastic compositions – Wax containing
Reexamination Certificate
2008-05-20
2008-05-20
Green, Anthony J (Department: 1793)
Compositions: coating or plastic
Coating or plastic compositions
Wax containing
C106S002000, C106S778000, C106S781000, C106S822000, C516S077000
Reexamination Certificate
active
11410738
ABSTRACT:
Emulsions, useful for imparting water resistance to gypsum products are disclosed. The emulsions of the invention include at least one wax, an alkyl phenol and a hydrophyllic metallic salt, preferably magnesium sulfate. The emulsions of the invention do not require the addition of a starch compound and therefore exhibit enhanced stability even at higher solids content then compared to prior art emulsions.
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Green Anthony J
Hexion Specialty Chemicals, Inc.
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