US PATENT SUBCLASS 521 / 106
.~.~.~ Ingredient contains a phosphorus atom


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}
106.~.~.~ Ingredient contains a phosphorus atom {1}
107  DF  .~.~.~.~> Phosphorus atom is part of an organic compound {1}


DEFINITION

Classification: 521/106

Ingredient Contains a Phosphorus Atom:

(under subclass 99) Subject matter wherein the stated ingredient contains a phosphorus atom.