Global Patent Index - EP 0967301 A3

EP 0967301 A3 2000-06-28 - Pickling-activating solution for pre-treatment of aluminium-steel composites before electroless tin plating

Title (en)

Pickling-activating solution for pre-treatment of aluminium-steel composites before electroless tin plating

Title (de)

Beizaktivierungslösung für die Vorbehandlung von Aluminium-Stahl-Verbundwerkstoffen vor einer Tauchverzinnung

Title (fr)

Solution décapante et activante pour le prétraitement de matériaux composites aluminium-acier avant l'étamage chimique

Publication

EP 0967301 A3 (DE)

Application

EP 99111464 A

Priority

  • DE 19828811 A
  • US 34000499 A

Abstract (en)

[origin: DE19828811C1] The mordant activation solution includes lower-group metal cations and nitrate and/or nitrite ions. Mordant activation solution for pretreating aluminum-steel compound material for tin plating contains sulfuric acid, hexafluorosilicic acid, wetting agent, lower-group metal cations and nitrate and/or nitrite ions. An Independent claim is included for a mordant activation process which involves contacting the compound material with the above solution at 15-70 deg C for 1-9 mins..

IPC 1-7 (main, further and additional classification)

C23G 1/02; C23C 18/18; C23C 18/31

IPC 8 full level (invention and additional information)

C23C 18/00 (2006.01); C23C 18/18 (2006.01); C23C 18/31 (2006.01); C23G 1/02 (2006.01)

CPC (invention and additional information)

C23C 18/1844 (2013.01); C23C 18/31 (2013.01); C23G 1/02 (2013.01)

Citation (search report)

  • [A] DE 2917019 A1 19791108 - GOULD INC
  • [A] EP 0278752 A1 19880817 - ADVANCED PLATING TECHNOLOGY AP [IL]
  • [A] US 5227016 A 19930713 - CARLSON LAWRENCE R [US], et al
  • [A] DATABASE WPI Section Ch Week 198132, Derwent Publications Ltd., London, GB; Class M11, AN 1981-58064D, XP002137068
  • [A] PATENT ABSTRACTS OF JAPAN vol. 1995, no. 08 29 September 1995 (1995-09-29)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

DE 19828811 C1 19991209; AT 254678 T 20031215; CA 2276475 A1 19991227; CA 2276475 C 20070522; DE 59907772 D1 20031224; EP 0967301 A2 19991229; EP 0967301 A3 20000628; EP 0967301 B1 20031119; ES 2210902 T3 20040701; PT 967301 E 20040430; US 6194369 B1 20010227

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