US PATENT SUBCLASS 524 / 82
.~.~.~.~.~ Sulfur atom as part of a hetero ring DNRM

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}
82.~.~.~.~.~ Sulfur atom as part of a hetero ring DNRM {3}
83  DF  .~.~.~.~.~.~> Hetero ring contains sulfur and at least one diverse hetero atom
84  DF  .~.~.~.~.~.~> Five-membered sulfur ring
85  DF  .~.~.~.~.~.~> Three-membered sulfur ring

DEFINITION

Classification: 524/82

Sulfur atom as part of a hetero ring DNRM:

(under subclass 81) Subject matter wherein the organic designated nonreactant material is a compound containing a hetero ring with at least one sulfur atom in the ring.

(1) Note. See the Class 520 Glossary for the definition of "heterocyclic".

(2) Note. The hetero ring herein may be fused or bridged to a ring system.