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:
Nov. 27, 2007
Filed:
Sep. 13, 2004
Paul Birnbrich, Solingen, DE;
Thorsten Roloff, Duesseldorf, DE;
Giorgio Sabbadini, Rho, IT;
Hans-josef Thomas, Korschenbroich, DE;
Paul Birnbrich, Solingen, DE;
Thorsten Roloff, Duesseldorf, DE;
Giorgio Sabbadini, Rho, IT;
Hans-Josef Thomas, Korschenbroich, DE;
Cognis Deutschland GmbH & Co. KG, Duesseldorf, DE;
Abstract
Hardeners for water-based epoxy resin systems, the hardeners being obtainable by reacting a mixture of: (A) at least one epoxidized polyalkylene oxide selected from the group of epoxidized polyethylene oxides, epoxidized polypropylene oxides and polyethylene propylene oxides, (B) at least one epoxidized aromatic hydroxy compound selected from the group of bisphenol A epoxides and bisphenol F epoxides and (C) at least one aromatic hydroxy compound selected from the group of bisphenol A and bisphenol F, to form an intermediate product and subsequently reacting this intermediate product with a polyamine (E), are disclosed.