US PATENT SUBCLASS 536 / 52
.~.~.~ Gum derivatives

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}
18.7  DF  .~.~ Nitrogen containing {13}
52.~.~.~ Gum derivatives

DEFINITION

Classification: 536/52

(under subclass 18.7) Compounds which are exudations of plants produced to cover wounds and prevent attack by micro-organisms and are highly branched polysaccharides

composed of two or more monosaccharides.