US PATENT SUBCLASS 423 / 127
.~.~.~ Hydroxylating or hydrating

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

1  DF  TREATING MIXTURE TO OBTAIN METAL CONTAINING COMPOUND {15}
111  DF  .~ Group IIIA metal or beryllium (Al, Ga, In, Tl, or Be) {9}
122  DF  .~.~ Forming insoluble substance in liquid {7}
127.~.~.~ Hydroxylating or hydrating

DEFINITION

Classification: 423/127

(under subclass 122) Processes including the step of chemically forming a hydroxide or a hydrate.