US PATENT SUBCLASS 524 / 729
.~.~.~ X(C=X)X wherein X is chalcogen DNRM, e.g., carbonate, etc.

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}
729.~.~.~ X(C=X)X wherein X is chalcogen DNRM, e.g., carbonate, etc.

DEFINITION

Classification: 524/729

X(C=X)X wherein X is chalcogen DNRM, e.g., carbonate, etc.:

(under subclass 700) Subject matter wherein an organic compound having at least one X--X group where X is chalcogen, e.g., organic carbonates, etc., is present as a DNRM during formation of a solid polymer or SICP.

(1) Note. Chalcogen is limited to oxygen, sulfur, selenium, or tellurium.