Method and composition for treatment of metals

Details Method and composition for treatment of metals Method and composition for treatment of metals

1993-01-05

1994-07-12

Silverberg, Sam

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

148251, C23C 2244

Patent

active

053285255

ABSTRACT:
A non-chromate pretreatment for aluminum and zinc-aluminum galvanized steel is disclosed which comprises a polyacrylic acid or homopolymers and copolymers thereof, a molybdate, and a dihydrohexafluo acid.

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patent: 4294627 (1981-10-01), Heyes
patent: 4370177 (1983-01-01), Frelin et al.
patent: 4422886 (1983-12-01), Das et al.
patent: 4921552 (1990-05-01), Sander et al.
patent: 5143562 (1992-09-01), Boulos

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