C - Chemistry – Metallurgy – 01 – G
Patent
C - Chemistry, Metallurgy
01
G
23/51, 252/64, 2
C01G 3/00 (2006.01) B01J 23/843 (2006.01) B01J 27/20 (2006.01) B01J 31/28 (2006.01) C07C 33/046 (2006.01)
Patent
CA 1240977
13 AGGLOMERATES OF MALACHITE CRYSTALS AND METHOD FOR THEIR PREPARATION ABSTRACT OF THE DISCLOSURE Agglomerates of spheroidal masses of mala- chite crystals are prepared so that they contain silicic acid. These agglomerates can be used to pre- pare a copper-acetylide complex, which in turn can be used as a catalyst for the preparation of 1,4-butyne- diol from acetylene and formaldehyde.
482833
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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