US PATENT SUBCLASS 205 / 372
.~.~.~ Aluminum


Current as of: June, 1999
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205 /   HD   ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS

334  DF  ELECTROLYTIC SYNTHESIS (PROCESS, COMPOSITION, AND METHOD OF PREPARING COMPOSITION) {21}
354  DF  .~ Utilizing fused bath {6}
367  DF  .~.~ Single metal produced {8}
372.~.~.~ Aluminum {16}
373  DF  .~.~.~.~> And elemental alkali or alkaline earth metal, magnesium, beryllium, or nonmetal element other than halogen produced
374  DF  .~.~.~.~> Utilizing specified current distributing means or method other than wire connecting means
375  DF  .~.~.~.~> Utilizing specified distance between cathode and anode
376  DF  .~.~.~.~> Agitating or moving electrolyte or bath during synthesis
377  DF  .~.~.~.~> Utilizing membrane or diaphragm between electrodes
378  DF  .~.~.~.~> Utilizing spacer between electrodes
379  DF  .~.~.~.~> Utilizing nonmetal cell lining other than inorganic carbon or graphite
380  DF  .~.~.~.~> Utilizing specified electrode other than consumable electrode (e.g., cylindrical, tapered, etc.) {5}
388  DF  .~.~.~.~> Utilizing coated or treating electrode connecting or positioning means (e.g., coating, cooling, etc.)
389  DF  .~.~.~.~> Specific replenishing, replacing, or feeding of consumable electrode material
390  DF  .~.~.~.~> Involving specific process startup other than mere turn on
391  DF  .~.~.~.~> Collecting or controlling fumes or gases produced during synthesis
392  DF  .~.~.~.~> Utilizing specific method or means to feed or replenish electrolyte or bath material
393  DF  .~.~.~.~> Purifying or treating electrolyte or bath prior to or after synthesis
394  DF  .~.~.~.~> Bath contains fluorine or bromine containing compound other than cryolite (Na3ALF6) {1}
396  DF  .~.~.~.~> Utilizing specified process step to maintain bath temperature


DEFINITION

Classification: 205/372

Aluminum:

(under subclass 367) Subject matter wherein aluminum is the single metal produced.