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} |
242 | DF | .~.~.~ Polymer derived from ethylenic reactants only mixed with ethylenic reactant {21} |
298 | DF | .~.~.~.~ Ethylenic reactant contains an oxygen atom {5} |
302 | | .~.~.~.~.~ Oxygen atom is part of a carboxylic acid ester group {5} |
303 | DF | .~.~.~.~.~.~> Ester contains an oxygen atom other than as a carboxylic acid ester group |
304 | DF | .~.~.~.~.~.~> Ester contains at least two carboxylic acid ester groups {2} |
307 | DF | .~.~.~.~.~.~> Ester is derived from an unsaturated carboxylic acid and an unsaturated alcohol |
308 | DF | .~.~.~.~.~.~> Ester is derived from an unsaturated carboxylic acid {1} |
311 | DF | .~.~.~.~.~.~> Ester reactant derived from an unsaturated alcohol is reacted in the presence of a solid polymer |