US PATENT SUBCLASS 524 / 142
.~.~.~.~.~.~.~.~.~ Halogen


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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
*  DD  .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF (Class 523, subclass 1) {17}
1  DF  .~.~ Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof {31}
80  DF  .~.~.~ DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon {4}
81  DF  .~.~.~.~ Organic DNRM {21}
115  DF  .~.~.~.~.~ Phosphorus organic compound DNRM {8}
136  DF  .~.~.~.~.~.~ Pentavalent phosphorus atom directly bonded to at least one oxygen atom {4}
140  DF  .~.~.~.~.~.~.~ P directly bonded to oxygen only {3}
141  DF  .~.~.~.~.~.~.~.~ Aryl group {2}
142.~.~.~.~.~.~.~.~.~ Halogen


DEFINITION

Classification: 524/142

Halogen:

(under subclass 141) Subject matter wherein the phosphorus compound contains a halogen atom.