Global Patent Index - EP 0769569 B1

EP 0769569 B1 20000126 - 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 20000126 (DE)

Application

EP 96116132 A 19961009

Priority

DE 19539158 A 19951020

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 (source: EP)

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

Designated contracting state (EPC)

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

DOCDB simple family (publication)

EP 0769569 A2 19970423; EP 0769569 A3 19970917; EP 0769569 B1 20000126; AT 189270 T 20000215; DE 19539158 A1 19970424; DE 59604282 D1 20000302; DK 0769569 T3 20000613; ES 2143697 T3 20000516; US 5879745 A 19990309

DOCDB simple family (application)

EP 96116132 A 19961009; AT 96116132 T 19961009; DE 19539158 A 19951020; DE 59604282 T 19961009; DK 96116132 T 19961009; ES 96116132 T 19961009; US 73083496 A 19961017