C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
6/221, 6/4
C23C 22/08 (2006.01) C23C 22/12 (2006.01) C23C 22/14 (2006.01) C23C 22/17 (2006.01) C23C 22/42 (2006.01)
Patent
CA 1236952
ABSTRACT OF THE DISCLOSURE Phosphate conversion coating accelerators consisting essentially of amidosulfonic acid, N-substitution products and salts thereof, sulfonamides, 1,2,3,-oxathiazin-4(3H)-one salts or 6-alkyl derivatives thereof, and ortho-aniline sulfonic acid or its derivatives alkyl-substituted on the ring and salts thereof, and mixtures of the foregoing, and a process for their use.
459189
Ettingshausen Othmar V.
Portz Heinz
Gerhard Collardin G.m.b.h.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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