US PATENT SUBCLASS 536 / 57
.~.~.~ Regenerated cellulose

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}
56  DF  .~.~ Cellulose or derivative {4}
57.~.~.~ Regenerated cellulose

DEFINITION

Classification: 536/57

(under subclass 56) Compounds which are formed by changing a cellulose derivative back to cellulose.

SEE OR SEARCH THIS CLASS, SUBCLASS:

60+, for cellulose xanthate or viscose which is utilized to make regenerated cellulose.