C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/635.1
C07C 31/20 (2006.01) C07C 29/17 (2006.01)
Patent
CA 1070711
HOE 75/F 112 ABSTRACT OF THE DISCLOSURE PROCESS FOR PREPARING BUTANEDIOL-(1.4) Butanediol-(1.4) is prepared by hydrogenating maleic anhydride, maleic acid or mixtures thereof in one step in the presence of catalysts comprising simultaneously elements of subgroup VII or compounds thereof and elements of sub- group VIII or compounds thereof or mixtures of these elements and compounds.
251589
Fernholz Hans
Freudenberger Dieter
Wunder Friedrich
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