Molded clay article coated with pearl pigment

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United States of America Patent

PATENT NO 4720438
SERIAL NO

06873911

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Abstract

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A process for producing a molded clay article having pearly luster, comprised coating a molded clay article with a mixture of (1) a glaze adjusted to have the sum of the R.sub.2 O groups in the Seger formula in the range of 0 to 0.55 mole and (2) a pearlescent pigment comprising mica powder particles having a coating of transparent metal oxide; and firing the coated clay article at a temperature not exceeding 900.degree. C.

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Patent Owner(s)

Patent OwnerAddress
MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNGFRANKFURTER STRASSE 250 DARMSTADT 64293

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nitta, Katsuhisa Fukushima, JP 24 354
Watanabe, Takaji Saitama, JP 6 120

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