US PATENT SUBCLASS 585 / 11
.~.~.~ Containing aromatic ring

Current as of: June, 1999
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585 /   HD   CHEMISTRY OF HYDROCARBON COMPOUNDS

1  DF  PRODUCT BLEND, E.G., COMPOSITION, ETC., OR BLENDING PROCESS PER SE {5}
7  DF  .~ Component of indefinite molecular weight greater than 150 {4}
10  DF  .~.~ Polymer {2}
11.~.~.~ Containing aromatic ring

DEFINITION

Classification: 585/11

Containing aromatic ring:

(under subclass 10) Subject matter in which the polymer has an aromatic ring as a substituent or as part of the polymer chain.