74708329
Jul 18, 1995
Oct 14, 1997
carbon and structural carbon-carbon composites which retain their properties at high temperatures for use in scientific research, and in the nuclear and thermonuclear industry
Chemicalsheat protecting and cooling installations, heat protection elements, cooling elements, heat exchanger, fittings and structures, namely, walls, bedplates, intermediary plates and spacers, composed of a composite material and a cooling fluid circuit, for heat treatment furnaces and thermonuclear fusion reactors
Environmental Control Apparatusinsulating material made of carbon or ceramic or composite materials made of carbon and/or ceramic for walls, ceilings, floors, and seals used between block, panel, floor, ceiling or wall elements
Rubber Goods[ non-metallic minerals used for buildings and construction, namely, granite, marble, limestone, slate, sandstone and quartz; ceramic materials used exclusively for buildings, namely, tiles, pavement tiles, roofing tiles, floor tiles, wall tiles, ceiling tiles; bricks and refractory furnaces, refractory furnace linings, ceramic shapes for use in refractory furnaces, refractory bricks, blocks and mortar; synthetic materials used exclusively for building, namely, roofing felts, roofing membranes, vinyl siding, polyethylene board material used as a wood substitute ]
Nonmetallic Building Materials