1 Silicon-based chemical products, in particular silanes, siloxanes, fluorosiloxanes, copolymers of siloxanes with organic polymers, reaction products of silicon-based chemical products with organic polymers, silicon-based plastics in the form of artificial and synthetic resins, powders, liquids or pastes and hyperpure silicon, for use in or as additives for concrete, gypsum and masonary, additives in cosmetic and pharmaceutical formulations and processes, including shampoos, conditioners, skin care compositions and lotions; adhesive substances used in industry, including adhesives for varnished electrical tapes, pressure-sensitive tapes and for bonding elastomers to metals; anti-floating agents for use in paints, antifoam, defoam and foam-control agents; catalysts for polymerizing siloxanes; dielectric sealing compositions; emulsifiers; hammer finish additives for paints; heat transfer fluids; impregnants for softening and water-proofing leather; laminating resins; mica bonding resins; molding compounds; paper coatings; chemicals for use in photography, potting and embedding compounds; release agents for rubber and plastic molding and for baking bread and other foods; semiconductor raw materials; silicone ingredients for polishing tissues, including those for the polishing of glass surfaces; sterilizing fluids for electrically heated oil; surfactants for use in the manufacture of urethane foam; tanning substances; chemical vehicles for formulating paints; water-repellent preparations for fabrics, masonry and ceramics; wetting agents; potting materials; encapsulating materials.
2 Paints, varnishes, lacquers; preservatives against rust and against deterioration of wood; colouring matters, dye-stuffs; mordants; natural resins; heat resistant paints, weather resistant paints, varnish, electrical varnishes, paints and natural resins; preparations for coating concrete, metal and masonary in the nature of paints; wood treatment materials and additives for them, as included in class 2.
4 Industrial oils and greases (other than edible oils and fats and essential oils); lubricants; dust laying and absorbing compositions; lubricants for moving metallic parts and for plastic bearing surfaces; waxes; valve lubricants; stopcock greases; high vacuum greases for use in sealing and lubricating joints in vacuum systems.
17 Gutta percha, india rubber, balata and substitutes, articles made from these substances and not included in other classes; plastics in the form of sheets, blocks and rods, being for use in manufacture; materials for packing, stopping, bonding or insulating; dielectric sealing compositions; dielectric potting materials and dielectric encapsulating materials; elastomeric electric insulation; electricians' rubber tape; sealing compositions for expansion and control joints, for precast concrete panel joints, curtainwall and mullion joints, for gasketing, filleting and caulking, for glazing.
19 Building materials in rubber, rubber substitutes composed of or comprising organosilicon polymers; cement, lime, mortar and plaster; pipes of rubber; asphalt, pitch and bitumen; rubber caulk, rubber sealer; forms fabricated of organosilicon polymers in the forms of tubes, rods, sheets, and the like.