Global Patent Index - EP 0769569 B1

EP 0769569 B1 2000-01-26 - Process for stabilisation of a patina layer

Title (en)

Process for stabilisation of a patina layer

Title (de)

Verfahren zur Stabilisierung einer Patinaschicht

Title (fr)

Procédé pour stabiliser un revêtement à patine

Publication

EP 0769569 B1 (DE)

Application

EP 96116132 A

Priority

DE 19539158 A

Abstract (en)

[origin: EP0769569A2] Stabilising of an artificial patina on copper sheet comprising applying a clear coat of water glass and hydroxy cellulose immediately after the patina has been produced.

IPC 1-7

C23C 8/10; C23C 8/80; C23C 22/52; C23C 22/63

IPC 8 full level

C23C 8/10 (2006.01); C23C 8/80 (2006.01); C23C 22/52 (2006.01); C23C 22/63 (2006.01)

CPC

C23C 22/52 (2013.01); C23C 8/10 (2013.01); C23C 8/80 (2013.01); C23C 22/63 (2013.01)

DCS

AT BE CH DE DK ES FI FR GB IT LI NL SE

DOCDB simple family

EP 0769569 A2 19970423; EP 0769569 A3 19970917; EP 0769569 B1 20000126; AT 189270 T 20000215; DE 19539158 A1 19970424; DK 0769569 T3 20000613; ES 2143697 T3 20000516; US 5879745 A 19990309