US PATENT SUBCLASS 524 / 569
.~.~.~.~.~ Plasticizer additive

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}
543  DF  .~.~.~ Polymer derived from ethylenic reactants only {11}
567  DF  .~.~.~.~ From halogen-containing monomer {2}
569.~.~.~.~.~ Plasticizer additive

DEFINITION

Classification: 524/569

Plasticizer additive:

(under subclass 567) Subject matter wherein the composition contains a plasticizer.

(1) Note. A plasticizer is any chemical agent which is added to a synthetic resin in order to impart flexibility, workability, stretchability or a related property to the synthetic resin.

(2) Note. The mere use the term "plasticizer" in the absence of information to the contrary is presumed to lie within the definition of this subclass.