86556272
Mar 6, 2015
Oct 27, 2015
Silica powders as compound material for use in the further manufacturing of external agents for toner used for electrophotography; silica powders as compound material for use in the further manufacturing of internal agents used for resins, namely, application of electrical insulation; silica powders as compound material for use in the further manufacturing of hard coatings; silica powders as compound material for use in the further manufacturing of water repellents; silica powders as compound material for use in the further manufacturing of flame retardants
Chemicals