Pearl luster pigments stable to glaze and enamel

United States of America Patent

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Jun 11, 1991
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N/A
app pub date
Oct 8, 1986
filing date
Oct 8, 1985

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Expired

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Abstract

Pearl luster pigments based on mica flakes coated with metal oxides are provided with a top coating of tin dioxide and/or cerium dioxide to improve their stability in glazes and enamels.

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Patent Owner(s)

MERCK PATENT GMBH

International Classification(s)

C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ambrosius, Klaus	Frankfurt, DE	23	404
Franz, Klaus D	Kelheim, DE	5	190
Rau, Axel	Pfullendorf, DE	2	28

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Pearl luster pigments stable to glaze and enamel

Number of patents in Portfolio can not be more than 2000

United States of America Patent

06916757

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PATENT NO	5022923
SERIAL NO	06916757
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06916757

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