US PATENT SUBCLASS 524 / 875
.~.~.~ With two or more alcohol hydroxyl compounds


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}
871  DF  .~.~ N=C=X containing reactant forming a solid polymer or SICP in the presence of a nonreactant material (X is chalcogen) {4}
875.~.~.~ With two or more alcohol hydroxyl compounds


DEFINITION

Classification: 524/875

With two or more alcohol hydroxyl compounds:

(under subclass 871) Subject matter wherein there are at least two C-OH compounds where the carbon is not doubly bonded to chalcogen present in addition to the -N=C=X reactant.