Coating processes – With post-treatment of coating or coating material – Heating or drying
Reexamination Certificate
2005-09-07
2010-11-23
Barr, Michael (Department: 1711)
Coating processes
With post-treatment of coating or coating material
Heating or drying
C525S451000, C523S501000, C524S458000, C524S457000, C524S501000, C524S512000, C524S513000
Reexamination Certificate
active
07838076
ABSTRACT:
The present invention discloses a thermosetting aqueous paint, comprising an oligomer (A-1), having a specific acid value, hydroxyl value and number average molecular weight, and obtained by reacting a compound having at least one hydroxyl group and at least one carboxyl group in a molecule thereof, a monoepoxide compound having a long-chain hydrocarbon group, and as necessary, a polyvalent carboxylic acid and/or polyvalent carboxylic acid anhydride, and/or a polyester resin (A-2) obtained by further reacting a polyvalent carboxylic acid and/or a polyvalent carboxylic acid anhydride and/or a polyisocyanate compound with the oligomer, and a crosslinking agent (B); and also discloses a method for forming a paint film using this paint.
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Harakawa Hiromi
Nakahara Shuichi
Barr Michael
Kansai Paint Co. Ltd.
Schiro Ryan
Wenderoth , Lind & Ponack, L.L.P.
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