US PATENT SUBCLASS 524 / 169
.~.~.~.~.~.~.~.~ Aryl group which is not fused or bridged

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}
155  DF  .~.~.~.~.~ Organic compound having a sulfur bonded directly to oxygen DNRM {4}
167  DF  .~.~.~.~.~.~ Sulfur bonded directly to two oxygen atoms, e.g., sulfones, etc. {2}
168  DF  .~.~.~.~.~.~.~ Sulfur bonded directly to nitrogen {1}
169.~.~.~.~.~.~.~.~ Aryl group which is not fused or bridged

DEFINITION

Classification: 524/169

Aryl group which is not fused or bridged:

(under subclass 168) Subject matter wherein the sulfur compound contains at least one aryl group which is not part of a fused or bridged ring system.

(1) Note. See the Class 520 Glossary for the definition of a "fused- or bridged-ring system".