Iron-manganese colorant

United States of America Patent

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Oct 8, 1996
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N/A
app pub date
Oct 21, 1994
filing date
Oct 21, 1994

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Expired

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Abstract

A process for preparing an iron-manganese colorant, from an aqueous media containing metal ions, having an effective amount of iron and manganese present to impart color to building materials is disclosed.

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Patent Owner(s)

Patent Owner	Address
E I DU PONT DE NEMOURS AND COMPANY	974 CENTRE ROAD WILMINGTON DE 19805

International Classification(s)

C09C:TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBRO....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Brosnan, Denis A	Clemson, SC	9	75
Brown, Cary V	Waverly, TN	2	16

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Iron-manganese colorant

Number of patents in Portfolio can not be more than 2000

United States of America Patent

08327255

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PATENT NO	5562765
SERIAL NO	08327255
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08327255

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