US PATENT SUBCLASS 528 / 217
.~.~.~.~ Material contains a metal atom

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}
212  DF  .~.~ Phenolic reactant contains a single phenolic -OH group or a single inorganic phenolate thereof {2}
214  DF  .~.~.~ Polymerizing in the presence of a specified material other than a reactant and other than Group IA or Group IIA material as sole metal atom {2}
217.~.~.~.~ Material contains a metal atom

DEFINITION

Classification: 528/217

(under subclass 214) Subject matter wherein the specified material contains at least one metal atom.

SEE OR SEARCH CLASS

520, Synthetic Resins or Natural Rubbers, see the Glossary

for the definition of "metals".