US PATENT SUBCLASS 521 / 108
.~.~.~.~.~ Organic phosphorus compound contains a phosphorus atom bonded to an atom other than oxygen


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  DF  .~.~.~ Ingredient contains a phosphorus atom {1}
107  DF  .~.~.~.~ Phosphorus atom is part of an organic compound {1}
108.~.~.~.~.~ Organic phosphorus compound contains a phosphorus atom bonded to an atom other than oxygen


DEFINITION

Classification: 521/108

Organic phosphorus compound contains a phosphorus atom bonded to an atom other than oxygen:

(under subclass 107) Subject matter wherein the organic phosphorus compound contains at least one phosphorus atom bonded to an element which is other than oxygen.