METHOD FOR ASSEMBLING POLYCARBONATE MANUFACTURING APPARATUS AND POLYCARBONATE MANUFACTURING APPARATUS

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United States of America Patent

APP PUB NO 20240165577A1
SERIAL NO

18283943

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for assembling a polycarbonate manufacturing apparatus comprising a plurality of apparatus elements, the method comprising:

    protecting an opening of each apparatus element, wherein the apparatus element is prepared as follows: at least a portion of a metal surface that comes into contact with an internal fluid of the apparatus element is polished with an abrasive corresponding to buff #400, and the polished metal surface is washed until becoming a state where no dirt is attached to a nonwoven fabric in a test of contact between the metal surface and the nonwoven fabric; andconnecting the opening of the apparatus element to the opening of another apparatus element within a dust cover.

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Patent Owner(s)

Patent OwnerAddress
ASAHI KASEI KABUSHIKI KAISHA1-1-2 YURAKUCHO CHIYODA-KU TOKYO 1000006 ?1000006

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
NAMBA, Nobutsugu Tokyo, JP 5 3
SHIGA, Yusuke Tokyo, JP 2 0

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