US PATENT SUBCLASS 528 / 180
.~.~.~.~ Material contains a metal atom


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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}
176  DF  .~.~ With polycarboxylic acid or derivative as reactant {8}
179  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}
180.~.~.~.~ Material contains a metal atom {1}
181  DF  .~.~.~.~.~> At least one transition metal atom


DEFINITION

Classification: 528/180

(under subclass 179) 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".