US PATENT SUBCLASS 524 / 50
.~.~.~.~.~ Ether group, other than solely linking of carbohydrate groups directly to each other

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}
47  DF  .~.~.~.~ Starch or derivative or farinaceous meal or flour {5}
50.~.~.~.~.~ Ether group, other than solely linking of carbohydrate groups directly to each other

DEFINITION

Classification: 524/50

Ether group, other than solely linking of carbohydrate groups directly to each other:

(under subclass 47) Subject matter wherein the starch has the general formula R-O-R', wherein -R-O is a starch moiety and R' is a carbon atom of a noncarbohydrate containing organic radical and which carbon is not directly bonded to a chalcogen atom by a double bond.