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} |
266 |  | .~.~ From monomer containing oxygen as part of a heterocyclic ring {5} |
267 | DF | .~.~.~> Polymer contains coumarone and indene |
268 | DF | .~.~.~> From cyclic ether which is bridged or fused to a ring system |
269 | DF | .~.~.~> Hetero-oxygen ring compound contains a carbonate group, i.e., -O-C(=O)-O as ring atoms |
270 | DF | .~.~.~> 5-membered heterocyclic ring compound contains at least one oxygen atom {1} |
273 | DF | .~.~.~> 3-membered heterocyclic ring contains at least one oxygen atom |