US PATENT SUBCLASS 536 / 108
.~.~.~.~ Ether-esters or mixed esters

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1.11  DF  .~ Carbohydrates or derivatives {15}
102  DF  .~.~ Starch or derivative {6}
107  DF  .~.~.~ Esters {3}
108.~.~.~.~ Ether-esters or mixed esters

DEFINITION

Classification: 536/108

(under subclass 107) Compounds which (1) additionally contain an ether moiety, or (2) contain at least two diverse ester moieties.

(1) Note. The ether moiety may exist (1) independently of the ester moiety as in ehtyl starch acetate, (2) connection to the starch via an intervening ester linkage as in starch ethoxyacetate, or (3) by direct connection to the starch with

the ester moiety connected to the ether moiety as in acetoxyethyl starch.