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:
Apr. 30, 2019
Filed:
Jan. 29, 2014
Willi Henkenjohann, Wuppertal, DE;
Karl Kuhmann, Duelmen, DE;
Maximilian Gruhn, Marl, DE;
Andreas Pawlik, Recklinghausen, DE;
Martin Risthaus, Olfen, DE;
Klaus Welsch, Breckerfeld, DE;
Sven Mang, Hagen, DE;
Willi Henkenjohann, Wuppertal, DE;
Karl Kuhmann, Duelmen, DE;
Maximilian Gruhn, Marl, DE;
Andreas Pawlik, Recklinghausen, DE;
Martin Risthaus, Olfen, DE;
Klaus Welsch, Breckerfeld, DE;
Sven Mang, Hagen, DE;
Evonik Degussa GmbH, Essen, DE;
SI-Coatings GmbH, Wuppertal, DE;
Abstract
The invention provides an adhesion promoter composition comprising at least one polymer A selected from at least one epoxy resin-phenol resin precondensate, a mixture of at least one epoxy resin-phenol resin precondensate and epoxy resins, a mixture of epoxy resins and phenol resins, polyamide resins and mixtures thereof, and at least one copolyamide-based hotmelt adhesive. Additionally described is a primer composition comprising at least one polymer B selected from saturated polyester resins, epoxy-phenol resin precondensates, mixtures of epoxy resins and phenol resins, and mixtures thereof, at least one crosslinker resin selected from the group consisting of melamine resins, blocked isocyanate resins and mixtures thereof, at least one catalyst, and at least one copolyamide-based hotmelt adhesive.