74005479
Nov 27, 1989
Aug 28, 1990
SILICA AND/OR SILICATE PIGMENTS AND POWDERS, AND COMBINATIONS OF CHEMICAL SUBSTANCES WHICH INCLUDE SILICA OR SILICATES, HAVING A VARIETY OF INDUSTRIAL USES INCLUDING USE AS A FILLER, FLATTING AGENT OR EXTENDER PIGMENT IN PAINTS, PAPERS, RUBBERS, OR PLASTICS AND IN OIL OR WATER BASED PAINTS, COATINGS AND SYSTEMS
Chemicals