Phosphate conversion coating accelerators

Details Phosphate conversion coating accelerators Phosphate conversion coating accelerators

1985-09-27

1987-07-14

Silverberg, Sam

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148 615Z, C23C 2212

Patent

active

046800646

ABSTRACT:
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 aklyl-substituted on the ring and salts thereof, and mixtures of the foregoing, and a process for their use.

REFERENCES:
patent: 3520737 (1970-07-01), Gerassimoff et al.
patent: 3923554 (1975-12-01), Ziemba
patent: 4149909 (1979-04-01), Hamilton
patent: 4292096 (1981-09-01), Murakami et al.
patent: 4419147 (1983-12-01), Murakami et al.
patent: 4419199 (1983-12-01), Hauffe et al.

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