B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/65, 260/630.
B01J 31/16 (2006.01) B01J 23/84 (2006.01) C07C 33/04 (2006.01)
Patent
CA 1060876
ABSTRACT OF THE DISCLOSURE Synthetic malachite of desirable particle size and distribution is coprecipitated with small amounts of uniformly dispersed bismuth. After nucleation, the crystals are grown at elevated temperatures. The malachite can be converted into a cuprous acetylide complex useful as an ethynylation catalyst.
303138
E.i. Du Pont de Nemours And Company
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