US PATENT SUBCLASS 585 / 19
.~.~ Containing aromatic ring

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


585 /   HD   CHEMISTRY OF HYDROCARBON COMPOUNDS

16  DF  COMPOUND OR REACTION PRODUCT MIXTURE {3}
17  DF  .~ Polymer of indefinite molecular weight {2}
19.~.~ Containing aromatic ring

DEFINITION

Classification: 585/19

Containing aromatic ring:

(under subclass 17) Subject matter in which the polymer contains an aromatic ring.