US PATENT SUBCLASS 524 / 54
.~.~.~.~ Dextran or 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}
54.~.~.~.~ Dextran or derivative

DEFINITION

Classification: 524/54

Dextran or derivative:

(under subclass 27) Subject matter wherein the carbohydrate is higher molecular weight polysaccharide containing D-glucose units linked predominately as D (1! 6).

(1) Note. Dextrans yield only glucose on hydrolysis but differ from starch and glycogen as to molecular structure.

(2) Note. Dextrans are a group of compounds differing according to the bacteria used to ferment the sugar.