Global Patent Index - EP 0187917 B1

EP 0187917 B1 19881228 - PROCESS FOR IMPROVING THE PROTECTION AGAINST CORROSION OF RESIN LAYERS AUTOPHORETICALLY DEPOSITED ON METAL SURFACES

Title (en)

PROCESS FOR IMPROVING THE PROTECTION AGAINST CORROSION OF RESIN LAYERS AUTOPHORETICALLY DEPOSITED ON METAL SURFACES

Publication

EP 0187917 B1 19881228 (DE)

Application

EP 85114639 A 19851118

Priority

DE 3500443 A 19850109

Abstract (en)

[origin: US4636264A] A process for increasing the anticorrosive properties of an autodeposited coating wherein after the bath but before the curing, metallic chromate salts are formed in situ by first rinsing with metallic non-chromate water soluble salts and then rinsing with a chromium compound.

IPC 1-7

C23C 22/24; C23C 22/12; C23C 22/17; C23C 22/22; C23F 11/00; C23F 11/18; B05D 3/02; B05D 7/14; C09D 5/08

IPC 8 full level

B05D 1/18 (2006.01); B05D 3/02 (2006.01); B05D 7/14 (2006.01); C09D 5/08 (2006.01); C23C 22/12 (2006.01); C23C 22/17 (2006.01); C23C 22/22 (2006.01); C23C 22/24 (2006.01); C23F 11/00 (2006.01); C23F 11/18 (2006.01)

CPC (source: EP US)

B05D 7/144 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE DE FR GB

DOCDB simple family (publication)

EP 0187917 A1 19860723; EP 0187917 B1 19881228; AT E39502 T1 19890115; BR 8600052 A 19860923; CA 1245918 A 19881206; CN 1008527 B 19900627; CN 86100013 A 19860709; DE 3500443 A1 19860911; DE 3567035 D1 19890202; JP S61174973 A 19860806; US 4636264 A 19870113

DOCDB simple family (application)

EP 85114639 A 19851118; AT 85114639 T 19851118; BR 8600052 A 19860108; CA 496169 A 19851126; CN 86100013 A 19860104; DE 3500443 A 19850109; DE 3567035 T 19851118; JP 337586 A 19860109; US 80263585 A 19851126