US PATENT SUBCLASS 525 / 54.41
.~.~.~ Shellac


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}
54.41.~.~.~ Shellac


DEFINITION

Classification: 525/54.41

Shellac:

(under subclass 54.4) Subject matter wherein the natural resin is shellac or a derivative thereof.