US PATENT SUBCLASS 162 / 138
.~ Electrical or magnetic product characteristic

Current as of: June, 1999
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162 /   HD   PAPER MAKING AND FIBER LIBERATION

100  DF  PROCESSES AND PRODUCTS {31}
138.~ Electrical or magnetic product characteristic

DEFINITION

Classification: 162/138

(under subclass 100) Processes for producing a product having specified electrical or magnetic properties, and the resulting products.

SEE OR SEARCH CLASS

252, Compositions,

567, for a paper web or sheet impregnated with a defined liquid dielectric composition.

429, Chemistry: Electrical Current Producing Apparatus, Product, and Process,

129+, and 247+ for separators combined with battery structure and separators, per se, respectively.