Phosphate conversion coating accelerators
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United States of America Patent
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Jul 14, 1987
Issued Date -
N/A
app pub date -
Sep 27, 1985
filing date -
Jul 19, 1983
priority date (Note) -
Expired
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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.
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