73653016
Apr 3, 1987
Apr 19, 1988
CHEMICAL PRODUCTS FOR INDUSTRIAL USE, IN PARTICULAR, FOR THE PRODUCTION OF WATERTREATMENT CHEMICALS AND FLOCCULATING AGENTS SUITABLE FOR THE TREATMENT OF WASTE, DRINK AND PROCESSED WATER IN INDUSTRIAL AND MUNICIPAL FACILITIES, GLUES OR SIZINGS AND IMPREGNATING AGENTS, SUITABLE AS RETENTION AND DRAINAGE AIDS IN PAPER MAKING FACILITIES; AND INDUSTRIAL ADHESIVES SUITABLE FOR INDUSTRIES HAVING POLAR SUBSTRATES
Chemicals