Patent · US Active

Use of amine blends for foundry shaped cores and casting metals

US10828696B2 · kind B2 · utility

0Cited by

22References

22Claims

0Family size

Assignee

ARKEMA FRANCE · FR

Inventors

Bruno Van Hemelryck · Pierre-Bénite, FR
Pierre-Henri Vacelet · Vernon, FR
Jean-Claude Roze · Gaillon, FR
Jens Müller · Haan, DE
Diether Koch · Mettmann, DE

Key dates

Filing date	May 29, 2018
Grant date	Nov 10, 2020
Priority date	—
Expiry date	May 29, 2038

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB22D29/00
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Provided is a catalyst suitable for curing a composite resin composition that includes comprising a blend of at least two tertiary amines selected from dimethylethylamine (DMEA), diethylmethylamine (DEMA), dimethylisopropylamine (DMIPA), and dimethyl-n-propylamine (DMPA), where each of the at least two tertiary amines is present in the blend in an amount of not less than 10% by weight and not more than 90% by weight.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.