US PATENT SUBCLASS 528 / 103.5
.~.~.~.~ 1,2-epoxy reactant having at least one carboxylic ester group, e.g., epoxidized linseed oil, etc.

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

Internet Version by PATENTEC © 1999      Terms of Use


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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {23}
86  DF  .~ FROM PHENOL, PHENOL ETHER, OR INORGANIC PHENOLATE {15}
87  DF  .~.~ From 1,2-epoxy-containing phenolic reactant or with 1,2-epoxy-containing reactant {12}
103  DF  .~.~.~ Two or more 1,2-epoxy reactants {1}
103.5.~.~.~.~ 1,2-epoxy reactant having at least one carboxylic ester group, e.g., epoxidized linseed oil, etc.

DEFINITION

Classification: 528/103.5

1, 2-epoxy reactant having at least one carboxylic ester group, e.g., eposidized linseed oil, etc.:

(under subclass 103) Subject matter wherein at least one 1, 2-epoxy reactant contains one or more carboxylic acid ester groups.