07572506 cites 14 patents.

The invention relates to aqueous coating compositions for producing primer and/or filler layers in a multi-layer coating, in particular in vehicle coating, comprising the following components: A) at least one water-dilutable epoxy resin, B) at least one polyamine curing agent, C) optionally, at least one water-dilutable polyurethane resin, D) water and E) optionally, pigments, fillers, conventional paint additives and/or organic solvents, wherein the polyamine curing agent B) comprises: B1) 5-95% by weight of at least one amino functional compound with at least two secondary and/or primary amino groups and B2) 95-5% by weight of at least one water-dilutable (meth)acrylic copolymer, wherein the percentages by weight of components B1) and B2) are based on the solids and add up to 100% by weight.

Title
Aqueous primer surfacer compositions
Application Number
11/159380
Publication Number
7572506 (B2)
Application Date
June 22, 2005
Publication Date
August 11, 2009
Inventor
Wilfried Collong
Wermelskirchen
DE
Klaus Wissing
Duesseldorf
DE
Agent
Sudhir G Deshmukh
Assignee
E I du Pont de Nemours and Company
DE, US
IPC
C08L 63/00
B05D 1/38
B05D 1/36
B32B 15/082
B32B 15/095
B32B 15/092
B32B 27/30
B32B 27/40
B32B 27/38
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