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.

Date of Patent:
Jun. 28, 2005

Filed:

Nov. 15, 2002
Applicants:

Roland Feola, Graz, AT;

Willibald Paar, Graz, AT;

Johann Gmoser, Graz, AT;

Inventors:

Roland Feola, Graz, AT;

Willibald Paar, Graz, AT;

Johann Gmoser, Graz, AT;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K003/20 ;
U.S. Cl.
CPC ...
Abstract

Aqueous curing agents for epoxy resin dispersions comprising mixtures, adducts and/or salts of partly esterified organic phosphoric acids A1 or partly esterified phosphonic acids A2 with organic amines B selected from the group consisting of epoxide-amine adducts B1, Mannich bases B2, polyaminoamides B3, and condensation products B4 of diamines or polyamines B42 with di- or polyhydroxyaromatics B41, their preparation and a method of use comprising mixing thereof with aqueous epoxy resin dispersions in particular for coating metals as corrosion protection


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