US PATENT SUBCLASS 522 / 181
.~.~.~ Ether group


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



522 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
1  DF  .~ COMPOSITIONS TO BE POLYMERIZED BY WAVE ENERGY WHEREIN SAID COMPOSITION CONTAINS A RATE-AFFECTING MATERIAL; OR COMPOSITIONS TO BE MODIFIED BY WAVE ENERGY WHEREIN SAID COMPOSITION CONTAINS A RATE-AFFECTING MATERIAL; OR PROCESSES OF PREPARING OR TREATING A SOLID POLYMER UTILIZING WAVE ENERGY {27}
178  DF  .~.~ Processes of preparing a solid polymer from at least one oxygen containing monomer; or compositions therefore {4}
181.~.~.~ Ether group


DEFINITION

Classification: 522/181

Ether group:

(under subclass 178) Subject matter wherein the oxygen atom is part of a C-O-C group and wherein the carbon atoms bonded to the oxygen atom are not bonded to oxygen, selenium, or tellurium.