Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate
2005-02-22
2005-02-22
Moore, Margaret G. (Department: 1712)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
C524S268000, C524S588000, C516S124000, C528S025000, C528S031000, C106S031600, C106S287130
Reexamination Certificate
active
06858663
ABSTRACT:
The invention relates to the use of water-insoluble organopolysiloxane derivatives of the general formula (I)in which the radicalsR1are alkyl radicals, preferably having 1 to 4 carbon atoms or aryl radicals, but at least 80% of the radicals R1are methyl radicals, andR2at least once in the molecule has the definition (a)for defoaming aqueous media, especially printing inks and paints.
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Koczo et al., “Mechanisms for Antifoaming Action in Aqueous Systems by Hydrophobic Particles and Insoluble Liquids”, Journal of Colloid and Interface Science, vol. 166, No. 1, pp. 225-238, Aug. 1994.
Knott Wilfried
Lehmann Kathrin
Lüger Martina
Silber Stefan
Frommer & Lawrence & Haug LLP
Goldschmidt AG
Moore Margaret G.
Zimmer Marc S.
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