EP 4242346 A1 20230913 - BRIGHTENING SOLUTION FOR ALUMINIUM OR ALUMINIUM ALLOY AND PROCESS FOR BRIGHTENING ALUMINIUM OR ALUMINIUM ALLOY
Title (en)
BRIGHTENING SOLUTION FOR ALUMINIUM OR ALUMINIUM ALLOY AND PROCESS FOR BRIGHTENING ALUMINIUM OR ALUMINIUM ALLOY
Title (de)
GLANZLÖSUNG FÜR ALUMINIUM ODER ALUMINIUMLEGIERUNG UND VERFAHREN ZUM GLÄNZEN VON ALUMINIUM ODER ALUMINIUMLEGIERUNG
Title (fr)
SOLUTION DE BRILLANTAGE POUR ALUMINIUM OU ALLIAGE D'ALUMINIUM ET PROCÉDÉ DE BRILLANTAGE D'ALUMINIUM OU D'ALLIAGE D'ALUMINIUM
Publication
Application
Priority
EP 22161155 A 20220309
Abstract (en)
The present invention refers to a pretreatment bath for anodizing aluminum or aluminum alloys and a process for anodizing aluminum or aluminum alloys on a substrate.
IPC 8 full level
C23F 3/03 (2006.01)
CPC (source: EP)
C23F 3/03 (2013.01)
Citation (applicant)
- CN 106521507 A 20170322 - JIANG MEILI
- CN 101476126 A 20090708 - UNIV SHANXI [CN]
- CN 107488857 A 20171219 - XUZHOU XUANYUAN ALUMINUM CO LTD
- CN 108914130 A 20181130 - BAI QIANG
- CN 110438508 A 20191112 - SHANGHAI AOQI CHEMICAL TECH CO LTD
- CN 111020590 A 20200417 - KUNSHAN LANBOWANG NEW MATERIAL TECH SERVICE CO LTD
- CN 111996533 A 20201127 - HUANG SHANMIN
Citation (search report)
- [XY] GB 1582134 A 19801231 - BRITISH ALUMINIUM CO LTD
- [XY] JP 2002285360 A 20021003 - MITEJIMA KAGAKU KK
- [Y] US 2004129574 A1 20040708 - KIA SHEILA FARROKHALAEE [US], et al
- [Y] US 3970529 A 19760720 - MARTIN SYLVIA
- [Y] CN 104164671 B 20160504
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DOCDB simple family (application)
EP 22161155 A 20220309