US PATENT SUBCLASS 568 / 863
.~.~.~.~.~.~.~ Of polyhydroxy aldehyde or polyhydroxy ketone (e.g., of carbohydrate, glyceraldehyde, etc.)

Current as of: June, 1999
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568 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {4}
300  DF  .~ OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) {11}
700  DF  .~.~ Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) {10}
840  DF  .~.~.~ Acyclic {16}
852  DF  .~.~.~.~ Polyhydroxy {9}
861  DF  .~.~.~.~.~ Preparing by reduction (e.g., by hydrogenation, etc.) {3}
862  DF  .~.~.~.~.~.~ Of aldehyde or ketone {1}
863.~.~.~.~.~.~.~ Of polyhydroxy aldehyde or polyhydroxy ketone (e.g., of carbohydrate, glyceraldehyde, etc.)

DEFINITION

Classification: 568/863

Of polyhydroxy aldehyde or polyhydroxy ketone (e.g., of carbohydrate, glyceraldehyde, etc.):

(under subclass 862) Processes wherein the aldehyde or ketone reduced contains at least two -OH groups.

(1) Note. This subclass provides for processes of reducing such substances as glucose, sucrose, maltose, etc.