US PATENT SUBCLASS 423 / 425
.~.~.~.~.~ Sesquicarbonate

Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

414  DF  CARBON OR COMPOUND THEREOF {3}
415.1  DF  .~ Oxygen containing {5}
419.1  DF  .~.~ Carbonate or bicarbonate {5}
421  DF  .~.~.~ Alkali metal containing (Li, Na, K, Rb, or Cs) {5}
422  DF  .~.~.~.~ Hydrogen containing (bicarbonate) {3}
425.~.~.~.~.~ Sesquicarbonate

DEFINITION

Classification: 423/425

(under subclass 422) Products or processes in which the product is a sesquicarbonate, i.e., a combination of a simple normal carbonate (e.g., Na2[end subscrpt]CO3) and simple bircarbonate (e.g., NaHCO3).