US PATENT SUBCLASS 524 / 31
.~.~.~.~.~ Cellulose derivative


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}
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}
27  DF  .~.~.~ Carbohydrate or derivative DNRM {9}
29  DF  .~.~.~.~ Atom other than O, H, C, S, or Group IA metal {2}
31.~.~.~.~.~ Cellulose derivative {2}
32  DF  .~.~.~.~.~.~> Solid polymer derived from ethylenic reactants only
33  DF  .~.~.~.~.~.~> Solid polymer or SICP derived from at least one aldehyde or aldehyde derivative reactant


DEFINITION

Classification: 524/31

Cellulose derivative:

(under subclass 29) Subject matter wherein the carbohydrate is a nitrogen compound containing repeating glucose units, which repeating units have the following structure: [figure]