US PATENT SUBCLASS 527 / 300
.~ FROM CARBOHYDRATE OR DERIVATIVE AS A REACTANT

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.~ FROM CARBOHYDRATE OR DERIVATIVE AS A REACTANT {8}
301  DF  .~.~> With N=C=X reactant wherein X is chalcogen {1}
303  DF  .~.~> With phenolic reactant
304  DF  .~.~> With ketone reactant other than as a ketose
305  DF  .~.~> With aldehyde or derivative as a reactant other than as an aldose {2}
310  DF  .~.~> With phosphorus-containing reactant
311  DF  .~.~> With di- or higher ester of polycarboxylic acid; or with polycarboxylic acid or derivative and a compound containing two or more hydroxyl groups or salts thereof as reactants
312  DF  .~.~> With nitrogen-containing reactant
313  DF  .~.~> Ethylenically unsaturated reactant {2}

DEFINITION

Classification: 527/300

FROM CARBOHYDRATE OR DERIVATIVE AS A REACTANT:

(under subclass 1) Subject matter under Class 520, ... wherein a solid polymer is derived from a carbohydrate or derivative reactant and an ethylenic reactant, a SICP, or a SPFI; or process of preparing said polymer.

SEE OR SEARCH CLASS

520, Synthetic Resins or Natural Rubbers, Glossary, for the definition of "carbohydrate derivative".