US PATENT SUBCLASS 528 / 160
.~.~.~ With reactant having only carbon and hydrogen atoms or only carbon, hydrogen, and halogen atoms


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}
86  DF  .~ FROM PHENOL, PHENOL ETHER, OR INORGANIC PHENOLATE {15}
129  DF  .~.~ With aldehyde or derivative {18}
160.~.~.~ With reactant having only carbon and hydrogen atoms or only carbon, hydrogen, and halogen atoms


DEFINITION

Classification: 528/160

(under subclass 129) Subject matter wherein a phenol or inorganic phenolate is reacted with an aldehyde or derivative and with an additional reactant which is solely composed of carbon and hydrogen atoms, or solely composed of only carbon, hydrogen, and halogen atoms.

(1) Note. For purposes of this subclass a reactant containing only carbon and halogen atoms (i.e., perhalo) will be considered as being proper for classification herein.