US PATENT SUBCLASS 524 / 398
.~.~.~.~.~.~ Transition metal atom (atomic no. 21-29, 39-47, 57-79)


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}
394  DF  .~.~.~.~.~ Oxygen atom or metal atom DNRM, e.g., metal stearate, etc. {6}
398.~.~.~.~.~.~ Transition metal atom (atomic no. 21-29, 39-47, 57-79)


DEFINITION

Classification: 524/398

Transition metal atom (atomic no. 21-29, 39-47, 57-79):

(under subclass 394) Subject matter wherein the metal compound contains at least one transition metal atom.

(1) Note. The transistion metals for this subclass are limited to atomic numbers 21-29, 39-47, and 57-79.