US PATENT SUBCLASS 526 / 340.2
.~.~.~ From hydrocarbon having only five carbon atoms


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}
335  DF  .~.~ From hydrocarbon monomer containing at least two ethylenic groups, e.g., butadiene, etc. {9}
340.2.~.~.~ From hydrocarbon having only five carbon atoms


DEFINITION

Classification: 526/340.2

From hydrocarbon having only five carbon atoms:

(under subclass 335) Subject matter wherein the hydrocarbon monomer contains only five carbon atoms (e.g., 1, 3-pentadiene, etc.).