US PATENT SUBCLASS 524 / 546
.~.~.~.~.~.~ Four or more fluorine atoms


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}
543  DF  .~.~.~ Polymer derived from ethylenic reactants only {11}
544  DF  .~.~.~.~ From fluorine-containing monomer {1}
545  DF  .~.~.~.~.~ Fluorine-containing monomer contains F and C only or only F, C, and H {1}
546.~.~.~.~.~.~ Four or more fluorine atoms


DEFINITION

Classification: 524/546

Four or more fluorine atoms:

(under subclass 545) Subject matter wherein the fluorine monomer containing only carbon and fluorine atoms, or only carbon, fluorine, and hydrogen only, contains at least four fluorine atoms.