1 Silicon nitride ceramics; silicon nitride compositions for the manufacture of technical ceramics; ceramic materials for the manufacture of parts and components for devices, apparatus and machines.
6 Silicon nitride; non-ferrous metal compositions containing silicon nitride.
7 Silicon nitride ceramic-based filters; filters for oil, hydraulic fluids and viscous liquids, for use in motors and engines; structural parts made from silicon nitride ceramics for use as components in devices, apparatus, instruments and machines; molds for use in microwave heating casting.
9 Silicon nitride ceramic-based integrated circuit packages; silicon nitride ceramic-based micro circuits packages; silicon nitride ceramic substrates for integrated circuits; structural parts made from silicon nitride ceramics for use as components in electrical and scientific apparatus and instruments; jigs for use in setting of machine parts and components; filters formed from silicon nitride ceramic-based materials; substrate materials made from silicon nitride ceramics for the manufacture of semiconductors, integrated circuits and sensors.
11 Water filtering apparatus; filtration units for potable water; filter cartridges and modules for filtration of chemical, petroleum and acqueous solutions; filter housings and filter inserts for use in filtration units; micro and ultra filtration systems for treating industrial wastewater, metal finishing plant wastewater, electroplating wastewater, nuclear power plant wastewater; filtration units for use in liquid hydrocarbon processing; wastewater treatment plants and parts therefor for the removal of solid contaminants included in wastewater; filtering machines for removing smoke, dust and other airborne contaminants from the air for industrial and commercial use; apparatus for the treatment of water and other liquids, namely, biological membrane filtering units for industrial and commercial use; air and gas filtering units consisting of filters and filter housings; air conditioning and heating; parts and components of filters.
12 Filters for removing particulates from engine oil and exhaust gases emitted from automobile engines; filter attachments and modules for removing particulates from engine oil and exhaust gases; structural parts and components for automobiles; diaphragms and membranes for use in fuel cells for automobiles; catalyst carriers for use in catalytic converters for automobiles.