US PATENT SUBCLASS 162 / 32
.~.~.~ Liquor from digestion using organic compound or including element other than Na, Ca, Mg, O, C, H or S

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

Internet Version by PATENTEC © 1999      Terms of Use


162 /   HD   PAPER MAKING AND FIBER LIBERATION

1  DF  PROCESSES OF CHEMICAL LIBERATION, RECOVERY OR PURIFICATION OF NATURAL CELLULOSE OR FIBROUS MATERIAL {33}
29  DF  .~ With regeneration, reclamation, reuse, recycling or destruction of digestion fluid {3}
30.1  DF  .~.~ With destruction of organic ingredient in or smelting of liquor {7}
32.~.~.~ Liquor from digestion using organic compound or including element other than Na, Ca, Mg, O, C, H or S

DEFINITION

Classification: 162/32

(under subclass 30) Processes in which the original fiber liberation liquor contains an organic compound or an element other than sodium, calcium, magnesium, oxygen, carbon, hydrogen or sulfur.