US PATENT SUBCLASS 528 / 103
.~.~.~ Two or more 1,2-epoxy reactants

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.~.~.~ Two or more 1,2-epoxy reactants {1}
103.5  DF  .~.~.~.~> 1,2-epoxy reactant having at least one carboxylic ester group, e.g., epoxidized linseed oil, etc.

DEFINITION

Classification: 528/103

(under subclass 87) Subject matter wherein two or more 1, 2-epoxy-containing compounds are reactants.

(1) Note. This subclass includes:

(a)

Two or more epoxy-containing phenols, phenol ethers, or inorganic phenolates or mixtures thereof.

(b)

A 1, 2-epoxy-containing phenol, phenol ether, or inorganic phenolate reacted with a nonphenolic-containing 1, 2-epoxy reactant. (c)

A nonepoxy-containing phenolic material reacted with two or more non-phenolic 1, 2-epoxy-containing reactants.