US PATENT SUBCLASS 252 / 78.5
.~.~.~.~ Organic P containing compounds


Current as of: June, 1999
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252 /   HD   COMPOSITIONS

71  DF  HEAT-EXCHANGE, LOW-FREEZING OR POUR POINT, OR HIGH BOILING COMPOSITIONS {2}
73  DF  .~ Organic components {3}
77  DF  .~.~ Organic compounds of nonmetals other than C, H, and O {1}
78.1  DF  .~.~.~ Organic compounds of nonmetals other than C, H, O, and N {2}
78.5.~.~.~.~ Organic P containing compounds


DEFINITION

Classification: 252/78.5

(under subclass 78.1) Compositions in which the organic compounds contain phosphorus.