US PATENT SUBCLASS 528 / 299
.~.~.~ Halogen-containing reactant other than solely as halogen atom bonded to a carbonyl group


Current as of: June, 1999
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528 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {23}
271  DF  .~ FROM CARBOXYLIC ACID OR DERIVATIVE THEREOF {10}
272  DF  .~.~ From di- or higher ester of a polycarboxylic acid as sole reactant, or from a polycarboxylic acid or derivative with a compound containing two or more hydroxyl groups or salts thereof {15}
299.~.~.~ Halogen-containing reactant other than solely as halogen atom bonded to a carbonyl group


DEFINITION

Classification: 528/299

(under subclass 272) Subject matter wherein a reactant contains a halogen atom with the proviso that the halogen atom is other than as a halogen atom bonded directly to a carbonyl group (i.e., halo).