US PATENT SUBCLASS 521 / 105
.~.~.~.~ Boron atom is part of an organic compound


Current as of: June, 1999
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521 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {3}
50  DF  .~ CELLULAR PRODUCTS OR PROCESSES OF PREPARING A CELLULAR PRODUCT, E.G., FOAMS, PORES, CHANNELS, ETC. {27}
99  DF  .~.~ Cellular product formation prior to or during solid polymer formation in the presence of a stated ingredient other than water {18}
103  DF  .~.~.~ Ingredient contains a boron atom {2}
105.~.~.~.~ Boron atom is part of an organic compound


DEFINITION

Classification: 521/105

(under subclass 103) Boron atom is part of an organic compound: Subject matter wherein the boron atom is part of an organic compound.