The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 08, 1977
Filed:
Jul. 07, 1975
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
The polyglycidyl compounds according to the invention can be manufactured by reacting epihalogenohydrin with compounds of the formula IV ##STR1## or the formula V ##STR2## in which 1.) n denotes 2, 3 or 4, 2.) A represents a 2-valent, 3-valent or 4-valent organic radical which either contains a N-heterocyclic or cycloaliphatic ring or 2 N-heterocyclic rings or 2 phenylene rings, 3.) either B denotes the --CH.sub.2.O.CO-- radical and m denotes the number 1, or B denotes the radical ##STR3## and m denotes 0, and 4.) R.sup.1 represents a divalent radical, which contains at least one hydrantoin ring or uracil ring. During the reaction hydrogen halide splits off. From curable mixtures containing polyglycidyl compounds according to the invention and a curing agent such as hexahydrophthalic anhydride or phthalic anhydride are obtained products with good mechanical and electrical properties.