US PATENT SUBCLASS 524 / 264
.~.~.~.~.~.~ Ethylenic group

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}
261  DF  .~.~.~.~.~ Organic silicon compound having at least one oxygen atom DNRM {4}
264.~.~.~.~.~.~ Ethylenic group

DEFINITION

Classification: 524/264

Ethylenic group:

(under subclass 261) Subject matter wherein the silicon compound contains at least one ethylenic unsaturated group.

(1) Note. See the Class 520 Glossary for a definition of the term "ethylenic group."

SEE OR SEARCH CLASS

523, Synthetic Resins or Natural Rubbers,

203, for an ethylenic silicon reactant which is coated onto a nonreactant material and is intended to couple a polymer with the nonreactant material.