US PATENT SUBCLASS 525 / 195
.~.~.~.~.~.~ Contains a metal atom


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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {4}
50  DF  .~ MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS {32}
55  DF  .~.~ At least one solid polymer derived from ethylenic reactants only {25}
191  DF  .~.~.~ Polymer mixture of two or more solid polymers derived from ethylenically unsaturated reactants only; or mixtures of said polymer mixture with a chemical treating agent; or products or processes of preparing any of the above mixtures {23}
192  DF  .~.~.~.~ Treating polymer or polymer mixture with a chemical treating agent other than solid polymer {3}
194  DF  .~.~.~.~.~ Agent is an organic material {1}
195.~.~.~.~.~.~ Contains a metal atom


DEFINITION

Classification: 525/195

Contains a metal atom:

(under subclass 194) Subject matter wherein the organic treating agent is one which also contains a metal atom in an inorganic or organic compound (e.g., trialkyl aluminum, etc.).

SEE OR SEARCH CLASS

520, Synthetic Resins or Natural Rubbers, the Glossary for the elements considered as being metals.