US PATENT SUBCLASS 205 / 748
.~.~.~ Plural membranes


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

Internet Version by PATENTEC © 1999      Terms of Use



205 /   HD   ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS

687  DF  ELECTROLYTIC MATERIAL TREATMENT (PRODUCT, PROCESS, AND ELECTROLYTE COMPOSITION) {8}
742  DF  .~ Water, sewage, or other waste water {11}
746  DF  .~.~ Using membrane {3}
748.~.~.~ Plural membranes {1}
749  DF  .~.~.~.~> With recycle or reuse


DEFINITION

Classification: 205/748

Plural membranes:

(under subclass 746) Subject matter in which two or more membranes are used.