US PATENT SUBCLASS 429 / 231.5
.~.~.~ Vanadium (V), chromium (Cr), niobium (Nb), molybdenum (Mo), titanium (Ti), or tungsten (W) component is active material

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429 /   HD   CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND PROCESS

122  DF  CURRENT PRODUCING CELL, ELEMENTS, SUBCOMBINATIONS AND COMPOSITIONS FOR USE THEREWITH AND ADJUNCTS {16}
209  DF  .~ Electrode {7}
218.1  DF  .~.~ Chemically specified inorganic electrochemically active material containing {16}
231.5.~.~.~ Vanadium (V), chromium (Cr), niobium (Nb), molybdenum (Mo), titanium (Ti), or tungsten (W) component is active material

DEFINITION

Classification: 429/231.5

Vanadium (V), chromium (Cr), niobium (Nb), molybdenum (Mo), titanium (Ti), or Tungsten (W) component is active material:

(under subclass 218.1) Subject matter wherein the electrochemically active inorganic material contains vanadium, chromium, niobium, molybdenum, titanium, or tungsten.