75384535
Nov 4, 1997
Jan 9, 2001
CHEMICAL PRODUCTS FOR INDUSTRIAL PURPOSES, NAMELY, SILICON CARBIDE, INORGANIC BORON COMPOUNDS, BORON HALIDES, INORGANIC NITRIDES, SINTERED PRODUCTS, NAMELY, SILICON CARBIDE, BORON CARBIDE, BORON NITRIDE, ALUMINUM NITRIDE, SILICON NITRIDE, AND TITANIUM DIBORIDE FOR USE IN THE CHEMICAL, PLASTICS, METALLURGICAL, GLASS, PAPER, CERAMICS, PHOTOGRAPHY, AGRICULTURAL, HORTICULTURAL, FORESTRY, COMMERCIAL AND RESIDENTIAL BUILDING, CONSTRUCTION, AUTOMOBILE, AUTOMOTIVE, INSULATION, PACKAGING, ENGINEERING, ENERGY, ELECTRONICS, COSMETIC, TEXTILE, LEATHER, PAINT AND SEMI-CONDUCTOR INDUSTRIES; SINTERED MATERIALS, NAMELY, BORON CARBIDE, SILICON CARBIDE, AND OPTIONALLY, BORON CONTAINING ALLOYS IN THE FORM OF POWDERS AND GRANULES USED TO INCREASE THE HARDNESS AND RESISTANCE OF WORKING SURFACES THROUGH THERMOCHEMICAL TREATMENT FOR USE IN THE CHEMICAL, PLASTICS, METALLURGICAL, GLASS, PAPER, CERAMICS, PHOTOGRAPHY, AGRICULTURAL, HORTICULTURAL, FORESTRY, COMMERCIAL AND RESIDENTIAL BUILDING, CONSTRUCTION, AUTOMOBILE, AUTOMOTIVE, INSULATION, PACKAGING, ENGINEERING, ENERGY, ELECTRONICS, COSMETIC, TEXTILE, LEATHER, PAINT AND SEMI-CONDUCTOR INDUSTRIES; SINTERED MATERIALS IN THE FORM OF POWDERS AND GRANULES FOR THE PREPARATION OF ABRASIVES; SINTERED MATERIALS IN THE FORM [ OR ] * OF * POWDERS AND GRANULES USED AS ADDITIVES IN THE PREPARATION OF REFRACTORY COMPOSITIONS AND SINTERED MATERIALS IN THE FORM OF POWDERS AND GRANULES FOR RADIATION SHIELDING; SINTERED MATERIALS IN THE FORM OF POWDERS, GRANULES AND SHAPED ARTICLES MADE THEREOF AS REFRACTORY MASSES; CHEMICAL ADDITIVES FOR METALLURGICAL PURPOSES; SILICON CARBIDE USED AS ELECTRO-TECHNICAL RESISTANCE MATERIAL; CRUCIBLE MATERIALS, NAMELY, SILICON CARBIDE, BORON CARBIDE, BORON NITRIDE, ALUMINUM NITRIDE, SILICON NITRIDE, AND TITANIUM DIBORIDE, SILICON COMPOUNDS FOR USE IN THE CHEMICAL, PLASTICS, METALLURGICAL, GLASS, PAPER, CERAMICS, PHOTOGRAPHY, AGRICULTURAL, HORTICULTURAL, FORESTRY, COMMERCIAL AND RESIDENTIAL BUILDING, CONSTRUCTION, AUTOMOBILE, AUTOMOTIVE, INSULATION, PACKAGING, ENGINEERING, ENERGY, ELECTRONICS, COSMETIC, TEXTILE, LEATHER, PAINT AND SEMI-CONDUCTOR INDUSTRIES
Chemicals