US PATENT SUBCLASS 524 / 531
.~.~.~.~.~.~ Ethylenic monomer contains a chalcogen heterocycle


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}
500  DF  .~.~.~ Containing two or more solid polymers; solid polymer or SICP and a SICP, SPFI, or an ethylenic reactant or product thereof {7}
502  DF  .~.~.~.~ At least one solid polymer derived from ethylenic reactants only {11}
529  DF  .~.~.~.~.~ Solid polymer derived from ethylenic monomers only admixed with ethylenic monomer {7}
531.~.~.~.~.~.~ Ethylenic monomer contains a chalcogen heterocycle


DEFINITION

Classification: 524/531

Ethylenic monomer contains a chalcogen heterocycle:

(under subclass 529) Subject matter wherein the ethylenic reactant is a chalcogen (S, O, Se, Te) containing heterocycle.

(1) Note. See the Class 520 Glossary for a definition of the term "heterocyclic".