C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/48 (2006.01) C23C 22/07 (2006.01) C23C 22/34 (2006.01) C23C 22/83 (2006.01)
Patent
CA 2130114
A method of treating a nonferrous metal substrate such as aluminum with an acid activating agent such as HF followed by treating with an organophosphate or organophosphonate. The treatment provides for improved adhesion and flexibility as well as resistance to humidity, salt spray corrosion and detergents of subsequently applied coatings.
F. II Kahle Charles
Gray Ralph C.
Pawlik Michael J.
Prucnal Paul J.
Borden Ladner Gervais Llp
Ppg Industries Ohio Inc.
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