US PATENT SUBCLASS 106 / 808
.~.~.~ Organic nitrogen

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

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
638  DF  .~ Inorganic settable ingredient containing {30}
802  DF  .~.~ Organic material containing {7}
808.~.~.~ Organic nitrogen

DEFINITION

Classification: 106/808

Organic nitrogen:

(under subclass 802) Subject matter including an organic nitrogen containing material.