Surface-modified silica gels

Details Surface-modified silica gels Surface-modified silica gels

2005-05-19

2009-11-03

Cain, Edward J (Department: 1796)

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...

C106S287130, C106S287140, C106S287160, C106S490000, C524S493000

Reexamination Certificate

active

07612137

ABSTRACT:
The invention relates to surface-modified silica gels, to a process for preparing them, and to their use as matting agents in coating materials. As a result of the nature of the surface modification, the viscosity of 2-component coating materials is increased only slightly, or not at all, after the matting agent has been added.

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