US PATENT SUBCLASS 106 / 199.1
.~.~.~.~ With elemental carbon (e.g., graphite, coal, carbon black, etc.)

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
162.1  DF  .~ Carbohydrate or derivative containing {15}
163.01  DF  .~.~ Cellulosic material {11}
172.1  DF  .~.~.~ Cellulose ether or salt thereof {19}
199.1.~.~.~.~ With elemental carbon (e.g., graphite, coal, carbon black, etc.)

DEFINITION

Classification: 106/199.1

With elemental carbon (e.g., graphite, coal, carbon black, etc.):

(under subclass 172.1) Compositions which contain in addition to the cellulose ether or salt thereof carbon in substantially pure form including its crystalline allotrope (i.e., graphite) and amorphous allotropes (e.g., coal, coke, carbon black, etc.).