US PATENT SUBCLASS 527 / 304
.~.~ With ketone reactant other than as a ketose

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {6}
300  DF  .~ FROM CARBOHYDRATE OR DERIVATIVE AS A REACTANT {8}
304.~.~ With ketone reactant other than as a ketose

DEFINITION

Classification: 527/304

With ketone reactant other than as a ketose:

(under subclass 300) Subject matter wherein a ketone reactant (excluding a ketose) is present in addition to the carbohydrate or derivative.

(1) Note. For purposes of the instant subclass, a ketose carbohydrate (e.g., ketohexoses such as sorbose, fructose, etc.) and ketopentoses such as arabinulose, ribulose and xylulose, etc., must be accompanied by an additional noncarbohydrate ketone (e.g., acetone, etc.