Conversion coatings for zinc and cadmium surfaces

United States of America Patent

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Sep 28, 1982
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N/A
app pub date
Mar 2, 1981
filing date
Mar 2, 1981

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Expired

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Abstract

An aqueous acidic coating solution for treating zinc, zinc alloy or cadmium surface comprising (A) an oxidizing agent selected from the group consisting of hydrogen peroxide, nitrate ion, nitrite ion, halate ion or mixtures thereof, and (B) a compound having the formula ##STR1## wherein R is hydrogen or an alkyl group of from 1 to 4 carbon atoms.

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Patent Owner(s)

Patent Owner	Address
ROHCO INC A CORP OF OH	3203 WEST 71ST ST CLEVELAND OH 44102

International Classification(s)

C23F:NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM S....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Guhde, Donald J	Euclid, OH	14	146

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Conversion coatings for zinc and cadmium surfaces

Number of patents in Portfolio can not be more than 2000

United States of America Patent

06239331

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PATENT NO	4351675
SERIAL NO	06239331
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06239331

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