EP 1630251 A3 20060308 - Process for coating apparatus and parts of apparatus used to make chemical plants
Title (en)
Process for coating apparatus and parts of apparatus used to make chemical plants
Title (de)
Verfahren zur Beschichtung von Apparaten und Apparateteilen für den chemischen Anlagenbau
Title (fr)
Procédé de revêtement des appareils ou des parties d'appareils utilisés pour la construction d'installations chimiques
Publication
Application
Priority
EP 04022161 A 20040917
Abstract (en)
[origin: EP1630251A2] Coating of stainless steel chemical unit equipment and parts where the surface to be coated is pretreated and coated with at least one layer of Ni-P alloy by current-free (sic) deposition from a galvanizing bath. The surface to be coated is pickled with an activator solution at 40-85 [deg] C containing HF or HF salt (10-300 ml), sulfuric acid 1-5 ml), sublimed Fe(III) chloride (1-2 g), Ni chloride (6-12 g), citric acid (10-20 ml) and water.
IPC 8 full level
C23C 18/18 (2006.01); B01J 19/02 (2006.01); C23C 18/32 (2006.01); C23G 1/08 (2006.01)
CPC (source: EP)
C23G 1/088 (2013.01)
Citation (search report)
- [DA] DE 10016215 A1 20011004 - BASF AG [DE]
- [A] WO 0040773 A2 20000713 - BASF AG [DE], et al
- [A] US 3029158 A 19620410 - LEE GARY WARREN G, et al
- [A] PATENT ABSTRACTS OF JAPAN vol. 011, no. 096 (C - 412) 26 March 1987 (1987-03-26)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1630251 A2 20060301; EP 1630251 A3 20060308; EP 1630251 B1 20070725; AT E368137 T1 20070815; DE 502004004444 D1 20070906; ES 2291792 T3 20080301
DOCDB simple family (application)
EP 04022161 A 20040917; AT 04022161 T 20040917; DE 502004004444 T 20040917; ES 04022161 T 20040917