C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/07 (2006.01) C04B 28/34 (2006.01) C23C 22/74 (2006.01) C23F 11/04 (2006.01)
Patent
CA 2284510
A heat curable bonding composition of the present invention comprises an aqueous solution containing phosphate ion (PO4 -3) and chromium (III) ion (Cr+3, or trivalent chromium) and is substantially free of hexavalent chromium ions. The bonding composition may further contain at least one secondary cationic species. The bonding composition has a pH in the range of about 1 to about 3.5.
Eddinger Kevin B.
Hughes John E.
Mosser Mark F.
Myers Ronald E.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Sermatech International Inc.
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