US PATENT SUBCLASS 525 / 54.45
.~.~.~ Previously formed solid polymer containing chemically combined natural resin or derivative admixed with an ethylenic agent or a chemical treating agent other than SICP or SPFI

Current as of: June, 1999
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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}
54.4  DF  .~.~ Containing chemically combined natural resin or derivative thereof other than tall oil {3}
54.45.~.~.~ Previously formed solid polymer containing chemically combined natural resin or derivative admixed with an ethylenic agent or a chemical treating agent other than SICP or SPFI

DEFINITION

Classification: 525/54.45

Previously formed polymer containing chemically combined natural resin or derivative admixed with an ethylenic agent or a chemical treating agent other than SICP or SPFI:

(under subclass 54.4) Subject matter wherein a solid polymer derived from a natural resin or derivative is subsequently admixed with a chemical treating agent or an ethylenic agent.

SEE OR SEARCH THIS CLASS, SUBCLASS:

54.4, for a chemical treating agent which is a SICP or SPFI.

SEE OR SEARCH CLASS

526, Synthetic Resins or Natural Rubbers,

238.3, for solid polymers derived from ethylenic monomer having a natural resin chemically bonded thereto.

527, Synthetic Resins or Natural Rubbers,

600+, for solid polymers derived from natural resin or derivative.