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US 12,075,783 B2Granted
Process for preparation of copper compounds
AssigneeUpl Ltd
InventorsFrederic Ferrier, Philippe Cavasse, Marc Pillot
Life of this patent
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Abstract
The present invention relates to a process for preparation of copper fungicide compounds. More particularly, the present invention relates to a continuous process for production of tribasic copper sulphate (TBCS).
Claims12
A process for preparing a copper fungicide comprising:
- (a) reacting metallic copper with copper tetraamine complex to obtain a diamine copper complex;
- (b) reacting the diamine copper complex with oxygen to obtain a copper fungicide precursor;
- and
- (c) modifying the pH of the copper fungicide precursor in the absence of metallic copper to form the copper fungicide.
1 more element
Dependencies are inferred from the claim text.