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:
Apr. 18, 2023
Filed:
Dec. 21, 2017
Huntsman Advanced Materials Licensing (Switzerland) Gmbh, Basel, CH;
Alessandro Napoli, Allschwil, CH;
Amit Nagarkar, Basel, CH;
Kenneth Black Scobbie, Basel, CH;
Susanne Elmer, Basel, CH;
Abstract
A curable composition comprising (A) an epoxy resin containing on average more than one epoxy group per molecule; (B) a compound of formula A[—X—CO—CH—CN](1), wherein A is hydrogen or C-Calkyl which is unsubstituted or substituted by one or more C-Calkoxy groups, C-Calkylcarbonyl groups, C-Carylcarbonyl groups, hydroxyl groups, amino groups, C-Calkylamino groups, C-Cdialkylamino groups, cyano groups or halogen atoms, or A is a bivalent aliphatic, cycloaliphatic, aromatic, araliphatic or heterocyclic organic radical, X denotes —O—or —NR—, wherein Ris hydrogen or C-Calkyl which is unsubstituted or substituted by one or more C-Calkoxy groups, C-Calkylcarbonyl groups, C-Carylcarbonyl groups, hydroxyl groups, amino groups, C-Calkylamino groups, C-Cdialkylamino groups, cyano groups or halogen atoms, n is 1 or 2; and (C) a protected base in the form of an adduct or salt which is able to release a basic compound upon heating to a temperature greater than 70° C., is storage-stable, allows processing over a longer period of time (pot-life) and produces cured products having outstanding mechanical and thermal properties.