3815 Reaction Initiators, Reaction Accelerators and Catalytic Preparations, N.e.s. (Excl. Rubber Accelerators)

3815 (01/1988-..) Reaction Initiators, Reaction Accelerators and Catalytic Preparations, N.e.s. (Excl. Rubber Accelerators) 38151100 (01/1988-..) Supported Catalysts With Nickel or a Nickel Compound as the Active Substance, N.e.s. 38151200 (01/1988-..) Supported Catalysts With Precious Metal or a Precious-metal Compound as the Active Substance, N.e.s. 38151900 (01/1988-12/1996) Catalysts N.e.s. (Excl. Supported Catalysts With Precious Metal, a Precious Metal Compound, Nickel or a Nickel Compound as the Active Substance) 38151910 (01/1997-..) Catalysts in the Form of Grains of Which >= 90% by Weight Have a Particle-size <= 10 Micrometres, Consisting of a Mixture of Oxides on a Magnesium-silicate Support, Containing by Weight >= 20% but <= 35% of Copper and >= 2% but <= 3% of Bismuth and of An Apparent Specific Gravity of >= 0,2 but <= 1,0 38151990 (01/1997-..) Supported Catalysts, N.e.s. (Excl. Supported Catalysts With Precious Metal, a Precious-metal Compound, Nickel or a Nickel Compound as the Active Substance and Catalysts in the Form of Grains of Which >= 90% by Weight Have a Particle-size <= 10 MicrometreS, Consisting of a Mixture of Oxides on a Magnesium-silicate Support, Containing by Weight >= 20% but <= 35% of Copper and >= 2% but <= 3% of Bismuth and of an Apparent Specific Gravity of >= 0,2 but <= 1,0) 38159000 (01/1988-12/1996) Reaction Initiators, Reaction Accelerators and Catalytic Preparations N.e.s. (Excl. Rubber Accelerators and Supported Catalysts) 38159010 (01/1997-..) Catalysts Consisting of Ethyltriphenylphosphonium Acetate in the Form of a Solution in Methanol (Excl. Supported Catalysts) 38159090 (01/1997-..) Reaction Initiators, Reaction Accelerators and Catalytic Preparations, N.e.s. (Excl. Rubber Accelerators, Supported Catalysts and Catalysts Consisting of Ethyltriphenylphosphonium Acetate in the Form of a Solution in Methanol)