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:
Jun. 19, 2012
Filed:
Jun. 06, 2008
Lars Wittenbecher, Mannheim, DE;
Georg Degen, Lorsch, DE;
Michael Henningsen, Frankenthal, DE;
Matthias Maase, Mendham, NJ (US);
Manfred Doering, Woerth, DE;
Ulrich Arnold, Bruchsal, DE;
Lars Wittenbecher, Mannheim, DE;
Georg Degen, Lorsch, DE;
Michael Henningsen, Frankenthal, DE;
Matthias Maase, Mendham, NJ (US);
Manfred Doering, Woerth, DE;
Ulrich Arnold, Bruchsal, DE;
BASF SE, Ludwigshafen, DE;
Abstract
1,3-substituted imidazolium salts of the formula I are used as latent catalysts for curing compostions comprising epoxy compounds: in which: R1 and R3 independently of one another are an organic radical having 1 to 20 C atoms; R2, R4, and R5 independently of one another are an H atom or an organic radical having 1 to 20 C atoms, it also being possible for R4 and R5 together to form an aliphatic or aromatic ring; X is the anion of a phosphorus oxyacid, and n is 1, 2 or 3.