US PATENT SUBCLASS 106 / 498
.~.~.~.~ Ring containing atom other than carbon

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

*  DD  MATERIALS OR INGREDIENTS {7}
400  DF  .~ Pigment, filler, or aggregate compositions, e.g., stone, shale, pebbles, rock, etc. {1}
401  DF  .~.~ Composition contains identified material other than water {25}
493  DF  .~.~.~ Organic pigment containing {4}
498.~.~.~.~ Ring containing atom other than carbon

DEFINITION

Classification: 106/498

Ring containing atom other than carbon:

(under subclass 493) Subject matter wherein the pigment compound has a carbon ring containing at least one atom other

than carbon in the ring.