Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1977-05-06
1978-08-15
Garvin, Patrick P.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252443, 568855, B01J 2720
Patent
active
041070828
ABSTRACT:
Synthetic malachite of desirable particle size and distritution 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.
REFERENCES:
patent: 2300969 (1942-11-01), Reppe et al.
patent: 3650985 (1972-03-01), Kirchner
E. I. Du Pont de Nemours and Company
Garvin Patrick P.
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