US PATENT SUBCLASS 524 / 178
.~.~.~.~.~.~.~ Tin 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  DF  .~.~.~.~.~.~ Heavy metal directly bonded to carbon or hydrogen atom {3}
178.~.~.~.~.~.~.~ Tin atom {1}
179  DF  .~.~.~.~.~.~.~>.~ At least one sulfur atom {1}

DEFINITION

Classification: 524/178

Tin atom:

(under subclass 175) Subject matter wherein the heavy metal compound contains at least one atom of tin.

(1) Note. The tin atom for purposes of this subclass need not be bonded to a carbon or hydrogen atom. It is sufficient for purposes of this subclass that a tin atom be in a compound wherein a heavy metal is bonded to a carbon or hydrogen atom.