US PATENT SUBCLASS 525 / 54.24
.~.~.~ Starch, starch flour or meal, or derivative as chemical reactant

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  DF  .~.~ Previously formed solid polymer chemically reacted with carbohydrate or derivative {2}
54.24.~.~.~ Starch, starch flour or meal, or derivative as chemical reactant {1}
54.26  DF  .~.~.~.~> Previously formed solid polymer derived from ethylenic reactants only

DEFINITION

Classification: 525/54.24

Starch, starch flour or meal, or derivative as chemical reactant:

(under subclass 54.2) Subject matter wherein the carbohydrate material is a starch, a starch containing flour or meal (i.e., farinaceous flour) or a derivative thereof.

SEE OR SEARCH CLASS

528, Synthetic Resins or Natural Rubbers, subclass

47, for a definition of starch or derivative.