US PATENT SUBCLASS 524 / 873
.~.~.~ Aliphatic or cycloaliphatic N=C=X compound

Current as of: June, 1999
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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}
871  DF  .~.~ N=C=X containing reactant forming a solid polymer or SICP in the presence of a nonreactant material (X is chalcogen) {4}
873.~.~.~ Aliphatic or cycloaliphatic N=C=X compound

DEFINITION

Classification: 524/873

Aliphatic or cycloaliphatic N=C=X compound:

(under subclass 871) Subject matter wherein there is at least one compound where the -N=C=X group is linked to a carbon which is a member of an aliphatic or cycloaliphatic group.