US PATENT SUBCLASS 525 / 54.2
.~.~ Previously formed solid polymer chemically reacted with carbohydrate or derivative

Current as of: June, 1999
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525 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {4}
50  DF  .~ MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS {32}
54.2.~.~ Previously formed solid polymer chemically reacted with carbohydrate or derivative {2}
54.21  DF  .~.~.~> Cellulose or derivative as chemical reactant {2}
54.24  DF  .~.~.~> Starch, starch flour or meal, or derivative as chemical reactant {1}

DEFINITION

Classification: 525/54.2

Previously formed solid polymer chemically reacted with carbohydrate or derivative:

(under subclass 50) Subject matter wherein a carbohydrate or derivative is chemically reacted with a previously formed solid polymer (e.g., includes solid (SICP, etc.).

SEE OR SEARCH CLASS

528, Synthetic Resins or Natural Rubbers, the Glosssry, for the definition of "carbohydrate derivative".