Mark Identification
OPAL BLACK
Serial Number
73087703
Filing Date
May 19, 1976
Registration Date
Dec 27, 1977
Trademark by
Classification Information
RICE HULL ASH ESSENTIALLY A SILICA COMPOUND FOR USE IN THE PRODUCTION OF SYNTHETIC RUBBER AS A CATALYST IN REFINERY MARKETS, AND AS A FILTER-AID FOR CLARIFYING WATER FOR INDUSTRIAL USE
Chemicals