US PATENT SUBCLASS 423 / 66
.~.~.~ Hydroxylating or hydrating
Current as of:
June, 1999
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423 /
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CHEMISTRY OF INORGANIC COMPOUNDS
1
DF
TREATING MIXTURE TO OBTAIN METAL CONTAINING COMPOUND
{15}
62
DF
.~ Group VB metal (V, Nb, or Ta) {4}
65
DF
.~.~ Forming insoluble substance in liquid {2}
66
.~.~.~ Hydroxylating or hydrating
DEFINITION
Classification: 423/66
(under subclass 65) Processes including the step of chemically forming a hydroxide or a hydrate.