US PATENT SUBCLASS 524 / 491
.~.~.~.~ Hydrocarbon having a specified viscosity


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}
491.~.~.~.~ Hydrocarbon having a specified viscosity


DEFINITION

Classification: 524/491

Hydrocarbon having a specified viscosity:

(under subclass 474) Subject matter wherein the designated nonreactant material is a liquid hydrocarbon having a claimed specific viscosity expressed in any of the units generally recognized in the art, e.g., centistokes, Saybolt universal seconds, etc.