EP 0555244 B1 19950412 - ELECTROLYTE ADDITIVE FOR A COLORANT BATH FOR COLOURING ALUMINIUM AND PROCESS FOR COLOURING ALUMINIUM.
Title (en)
ELECTROLYTE ADDITIVE FOR A COLORANT BATH FOR COLOURING ALUMINIUM AND PROCESS FOR COLOURING ALUMINIUM.
Title (de)
ELEKTROLYTZUSATZMITTEL FÜR EIN FÄRBEBAD ZUR ALUMINIUMEINFÄRBUNG UND VERFAHREN ZUR EINFÄRBUNG VON ALUMINIUM.
Title (fr)
ADDITIF DE L'ELECTROLYTE D'UN BAIN COLORANT POUR L'ALUMINIUM ET PROCEDE DE TEINTURE DE L'ALUMINIUM.
Publication
Application
Priority
- DE 4034304 A 19901029
- EP 9101994 W 19911021
Abstract (en)
[origin: WO9207976A1] The invention describes a novel electrolyte additive for a sulphuric acid tin (II)-containing colorant bath for the a.c. colouring of anodised aluminium surfaces consisting of a synergic mixture of at least one antioxidant of one general formulae (I to IV) and at least one spread improver of general formula (V) and a process for the a.c. coloration of anodised aluminium surfaces using the electrolyte additive of the invention.
IPC 1-7
IPC 8 full level
C25D 11/22 (2006.01)
CPC (source: EP KR US)
C25D 11/12 (2013.01 - KR); C25D 11/22 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI NL SE
DOCDB simple family (publication)
WO 9207976 A1 19920514; AR 245786 A1 19940228; AT E121145 T1 19950415; AU 646508 B2 19940224; AU 8743991 A 19920526; CA 2095247 A1 19920430; CA 2095247 C 20020101; CN 1061056 A 19920513; CN 1066496 C 20010530; CS 327291 A3 19920617; DE 4034304 A1 19920430; DE 59105203 D1 19950518; EP 0555244 A1 19930818; EP 0555244 B1 19950412; ES 2070514 T3 19950601; JP 2941055 B2 19990825; JP H06502217 A 19940310; KR 0185157 B1 19990401; KR 930702556 A 19930909; MX 9101817 A 19920605; PT 99342 A 19920930; PT 99342 B 19990226; US 5409592 A 19950425; YU 170691 A 19940120; ZA 918569 B 19920729
DOCDB simple family (application)
EP 9101994 W 19911021; AR 32101791 A 19911029; AT 91918011 T 19911021; AU 8743991 A 19911021; CA 2095247 A 19911021; CN 91109996 A 19911028; CS 327291 A 19911029; DE 4034304 A 19901029; DE 59105203 T 19911021; EP 91918011 A 19911021; ES 91918011 T 19911021; JP 51705091 A 19911021; KR 930701249 A 19930427; MX 9101817 A 19911029; PT 9934291 A 19911025; US 5003893 A 19930429; YU 170691 A 19911025; ZA 918569 A 19911028