US PATENT SUBCLASS 526 / 252
.~.~.~.~ Fluorine compound contains two or more ethylenic groups

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {8}
72  DF  .~ POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING {43}
242  DF  .~.~ From fluorine containing monomer {7}
250  DF  .~.~.~ Fluorine containing monomer contains F, C and H only or F and C only {4}
252.~.~.~.~ Fluorine compound contains two or more ethylenic groups

DEFINITION

Classification: 526/252

(under subclass 250) Subject matter wherein the fluorine monomer contains at least two moieties wherein a carbon atom is bonded to another carbon atom by a double or triple bond.