US PATENT SUBCLASS 502 / 176
.~.~ Hydroxycarbonate

Current as of: June, 1999
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502 /   HD   CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING

100  DF  CATALYST OR PRECURSOR THEREFOR {12}
174  DF  .~ Inorganic carbon containing {4}
176.~.~ Hydroxycarbonate

DEFINITION

Classification: 502/176

Hydroxycarbonate:

(under subclass 174) Composition in which a compound includes both a hydroxyl and a carbonate ion e.g., CO3[end

subscrpt]-M-OH.

(1) Note. These compounds are sometimes referred to as basic carbonates.