US PATENT SUBCLASS 524 / 731
.~.~.~.~ Diorgano siloxane contains units of -((R)Si(R)-O-)* where * is subscript two or more

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}
700  DF  .~.~ Preparation of intentional or desired composition by formation of a solid polymer (SP) or SICP in presence of a designated nonreactant material (DNRM) other than solely water, hydrocarbon, silicon dioxide, glass, titanium dioxide or elemental carbon, composition thereof; or process of treating or composition thereof {23}
730  DF  .~.~.~ Si-C, Si-H contains DNRM, metal-C or metal-H bond or organic compound containing Si {1}
731.~.~.~.~ Diorgano siloxane contains units of -((R)Si(R)-O-)* where * is subscript two or more

DEFINITION

Classification: 524/731

Diorgano siloxane contains units of -[(R)Si(R)-O-] * where * is subscript two or more:

(under subclass 730) Subject matter wherein the organic silicon compound contains two or more units, e.g. polydimethyl siloxane oil, etc., as illustrated below. [figure]

(1) Note. R is preponderately a hydrocarbon radical.