US PATENT SUBCLASS 162 / 170
.~.~ Natural hydrocarbon gum (rubber)

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

100  DF  PROCESSES AND PRODUCTS {31}
158  DF  .~ Non-fiber additive {16}
170.~.~ Natural hydrocarbon gum (rubber)

DEFINITION

Classification: 162/170

(under subclass 158) Processes and products which include a natural hydrocarbon gum (rubber).

SEE OR SEARCH CLASS

520, Synthetic Resins or Natural Rubbers, particularly Class 524,

13, and 35+ for a rubber composition containing celluslose and which is not deposited from a liquid suspension.