C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/07 (2006.01) C23C 22/08 (2006.01) C23C 22/10 (2006.01) C23C 22/12 (2006.01) C23C 22/13 (2006.01) C23C 22/18 (2006.01)
Patent
CA 2467751
Alkyl-substituted hydroxylamines are useful as aids in the phosphating of metal substrates. In particular, the rate of phosphating and the rate at which manganese compounds are dissolved into aqueous phosphoric acid solutions may be accelerated by alkyl-substituted hydroxylamines.
L'invention concerne des hydroxylamines à substitution alkyle, qui contribuent à la phosphatation de substrats métalliques. En particulier, l'utilisation de ces substances permet d'accélérer la vitesse de phosphatation et la vitesse de dissolution des composés au manganèse dans les solutions aqueuses d'acide phosphorique.
Henkel Kommanditgesellschaft Auf Aktien
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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