US PATENT SUBCLASS 525 / 19
.~.~.~.~ Material contains Group IIA metal atom (Be, Mg, Ca, Sr, Ba, Ra)


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

Internet Version by PATENTEC © 1999      Terms of Use



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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {4}
10  DF  .~ ETHYLENICALLY UNSATURATED REACTANT ADMIXED WITH EITHER (A) A POLYMER DERIVED FROM A SATURATED DI- OR HIGHER ESTER OF A POLYCARBOXYLIC ACID AS SOLE REACTANT, OR (B) REACTION PRODUCT OF ONLY POLYCARBOXYLIC ACIDS OR ANHYDRIDES WITH ONLY COMPOUNDS HAVING AT LEAST TWO HYDROXYL GROUPS AT LEAST ONE OF WHICH IS SATURATED AND WHEREIN THE REACTION PRODUCT FORMED IS NOT AFTERTREATED PRIOR TO ADMIXTURE WITH THE UNSATURATED REACTANT EXCEPT WITH A POLYCARBOXYLIC ACID, POLYCARBOXYLIC ACID ANHYDRIDE, OR A POLYOL, AND WHEREIN NO SOLID POLYMER DERIVED FROM ETHYLENIC REACTANTS ONLY IS MIXED THEREWITH {14}
11  DF  .~.~ Mixed in presence of specified material or a polymerizable composition contains a specified material {8}
13  DF  .~.~.~ Specified material contains metal atom other than from group IA metal atom (Li, Na, K, Rb, Cs, Fr) {6}
19.~.~.~.~ Material contains Group IIA metal atom (Be, Mg, Ca, Sr, Ba, Ra)


DEFINITION

Classification: 525/19

Material contains group IIA metal atom (Be, Mg, Ca, Sr, Ba, Ra):

(under subclass 13) Subject matter wherein the specified material contains a Group IIA metal atom (Be, Mg, Ca, Sr, Ba, Ra).