US PATENT SUBCLASS 524 / 361
.~.~.~.~.~.~ Only C, H, and oxygen atoms


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}
356  DF  .~.~.~.~.~ Ketone or ketene DNRM, i.e., C(C=O)C or C=C=O {3}
361.~.~.~.~.~.~ Only C, H, and oxygen atoms {4}
362  DF  .~.~.~.~.~.~.~> Ten or more carbon atoms
363  DF  .~.~.~.~.~.~.~> Two or more C=O DNRM compounds
364  DF  .~.~.~.~.~.~.~> With water, hydrocarbon, halohydrocarbon, or organic oxygen containing nonreactive material
365  DF  .~.~.~.~.~.~.~> Solid polymer derived from ethylenic reactants only


DEFINITION

Classification: 524/361

Only C, H, and oxygen atoms:

(under subclass 356) Subject matter wherein the ketone or ketene is composed solely of carbon, hydrogen, and oxygen atoms.