US PATENT SUBCLASS 524 / 484
.~.~.~.~ Aromatic hydrocarbon


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

Internet Version by PATENTEC © 1999      Terms of Use



524 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
*  DD  .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF (Class 523, subclass 1) {17}
1  DF  .~.~ Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof {31}
474  DF  .~.~.~ Mixing two or more hydrocarbons; or a hydrocarbon other than benzene, toluene, or xylene per se and having numerical limitations other than amount, e.g., included herein are m.p., b.p., viscosity, structure, m.w., etc. or composition or product thereof, DNRM {7}
484.~.~.~.~ Aromatic hydrocarbon {2}
485  DF  .~.~.~.~.~> Aromatic hydrocarbon contains a bridged or fused ring
486  DF  .~.~.~.~.~> Aromatic hydrocarbon contains two or more aromatic rings


DEFINITION

Classification: 524/484

Aromatic hydrocarbon:

(under subclass 474) Subject matter wherein the designated nonreactant is an aromatic hydrocarbon other than benzene, toluene, or xylene per se.

SEE OR SEARCH THIS CLASS, SUBCLASS:

476, for a mixture of benzene and toluene as designated nonreactants.