US 5,506,334 A · Salts of pyromellitic acid, a process for their preparation and their use

Abstract

The invention relates to new salts of pyromellitic acid, to a process for their preparation and to their use for the production of matt epoxide and hybrid powder coatings.

Claims1

Dependent claims

A salt of pyromellitic acid comprising pyromelletic acid and an amine of the formula (B):

##STR26## wherein n is an integer of from 3 to 11.

Dependencies are inferred from the claim text.

Facts

Application

08/417,778Filed 6 Apr 1995 · division

Priority

DE 44 00 928.314 Jan 1994

Granted

9 Apr 1996

Term ends

Not estimatedThe source records don’t support an estimate.

Classification10 codes

C08G 59/686
Characterised by the catalysts used: containing nitrogen
C07C 63/313
Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings: monocyclic acids containing more than three carboxyl groups
C08G 59/4028
Nitrogen containing compounds: isocyanates; Thioisocyanates
C08G 59/5093
Amines: complexes of amines

Abstract

The invention relates to new salts of pyromellitic acid, to a process for their preparation and to their use for the production of matt epoxide and hybrid powder coatings.

Salts of pyromellitic acid, a process for their preparation and their use

Life of this patent

Abstract

Claims1

Salts of pyromellitic acid, a process for their preparation and their use

Life of this patent

Abstract

Claims1