US PATENT SUBCLASS 131 / 298
.~.~ By organic solvent

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

Internet Version by PATENTEC © 1999      Terms of Use


131 /   HD   TOBACCO

290  DF  TOBACCO TREATMENT {8}
297  DF  .~ Extraction of component, other than moisture, by contact with diverse medium {1}
298.~.~ By organic solvent

DEFINITION

Classification: 131/298

By organic solvent:

(under subclass 297) Process or apparatus wherein the diverse medium is a solvent containing a carbon compound.