EP 0695817 A1 19960207 - Acid aqueous phosphatic solution and process using same for phosphating metal surfaces
Title (en)
Acid aqueous phosphatic solution and process using same for phosphating metal surfaces
Title (de)
Wässrige, sowie Phosphatierlösung und Verfahren zum Phosphatieren von Metalloberflächen
Title (fr)
Solution aqueuse acide de phosphation et procédé de phosphatation de surfaces métalliques
Publication
Application
Priority
IT MI941715 A 19940805
Abstract (en)
An acid aqueous solution useful for phosphating metal surfaces and a phosphating process using same; said solution, which is characterized by its containing hydroxylamine phosphate as accelerator and a cationic surfactant, preferably a quaternary ammonic surfactant, can be applied to metal surfaces based on iron, zinc, aluminium and alloys thereof, and is specifically suitable for preventing the formation of white spots.
IPC 1-7
IPC 8 full level
C23C 22/08 (2006.01); C23C 22/36 (2006.01)
CPC (source: EP)
C23C 22/08 (2013.01); C23C 22/365 (2013.01); C23C 22/368 (2013.01)
Citation (search report)
- [Y] WO 9303198 A1 19930218 - HENKEL CORP [US]
- [Y] FR 1217584 A 19600504 - COLLARDIN GMBH GERHARD
- [Y] FR 1062140 A 19540420 - PARKER STE CONTINENTALE
- [Y] WO 9322474 A1 19931111 - HENKEL KGAA [DE], et al
- [A] WO 9320259 A1 19931014 - HENKEL KGAA [DE], et al
- [A] FR 2267388 A1 19751107 - COLLARDIN GMBH GERHARD [DE]
- [A] US 4298405 A 19811103 - SAUS J ARTHUR, et al
- [A] US 5143562 A 19920901 - BOULOS MERVET S [US]
Designated contracting state (EPC)
AT BE DE DK ES FR GB GR IT NL PT SE
DOCDB simple family (publication)
EP 0695817 A1 19960207; CA 2155484 A1 19960206; CN 1132801 A 19961009; IT 1274594 B 19970718; IT MI941715 A0 19940805; IT MI941715 A1 19960205
DOCDB simple family (application)
EP 95112068 A 19950801; CA 2155484 A 19950804; CN 95115814 A 19950805; IT MI941715 A 19940805