US PATENT SUBCLASS 524 / 175
.~.~.~.~.~.~ Heavy metal directly bonded to carbon or hydrogen atom


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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
*  DD  .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF (Class 523, subclass 1) {17}
1  DF  .~.~ Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof {31}
80  DF  .~.~.~ DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon {4}
81  DF  .~.~.~.~ Organic DNRM {21}
174  DF  .~.~.~.~.~ Organic compound having at least one metal atom directly bonded to a carbon or hydrogen atom DNRM {1}
175.~.~.~.~.~.~ Heavy metal directly bonded to carbon or hydrogen atom {3}
176  DF  .~.~.~.~.~.~.~> Transition metal (at. no. 21-29, 39-47, 57-79)
177  DF  .~.~.~.~.~.~.~> Group VA metal (Sb, Bi, As)
178  DF  .~.~.~.~.~.~.~> Tin atom {1}


DEFINITION

Classification: 524/175

Heavy metal directly bonded to carbon or hydrogen atom:

(under subclass 174) Subject matter wherein the heavy metal compound contains at least one heavy metal to carbon or heavy

metal to hydrogen bond.