1. E. Van Andel, European Patent 0,013,586 assigned to AKZO, N.V.,
2. R. Muller, L. Kerker and C. Peuckert, South African Patent 84/6598 (1984), assigned to Chemische Werke Hu¨ls Aktiengesellschaft.
3. G.J. Hutchings, “Vapour phase hydrochlorination of acetylene: Correlation of catalytic activity on supported metal chloride catalysts”, J. Catal., in press.
4. Hydrochlorination of acetylene: The effect of mercuric chloride concentration on catalyst life