Agglomerates of malachite and method for their preparation

Details Agglomerates of malachite and method for their preparation Agglomerates of malachite and method for their preparation

1986-11-12

1988-02-23

Sneed, Helen M. S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

C07F 108

Patent

active

047271663

ABSTRACT:
Agglomerates of spheroidal masses of malachite crystals are prepared so that they contain silicic acid. These agglomerates can be used to prepare a copper-acetylide complex, which in turn can be used as a catalyst for the preparation of 1,4-butynediol from acetylene and formaldehyde.

REFERENCES:
patent: 2370809 (1945-03-01), Morrell et al.
patent: 2440612 (1948-04-01), Lichtenwalter
patent: 3149149 (1964-09-01), Gorman et al.
patent: 3420862 (1969-01-01), Long
patent: 4110249 (1978-08-01), Fremont

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