Melt processible fluororesin molded article

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United States of America Patent

PATENT NO 11964417
APP PUB NO 20200139604A1
SERIAL NO

16623973

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Abstract

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Provided is a melt processible fluororesin molded article with reduced metal ions after molding (eluted metal ions) and submicron size fine particles. The melt processible fluororesin molded article has an amount of eluted Ni ions (in pg/cm2) and amount of eluted Cr ions (in pg/cm2) and amount of eluted Mo ions (in pg/cm2) in a test solution after eluting for 20 hours at 60° C. using 12% nitric acid, quantitatively analyzed by the ICP (induced coupled plasma) mass analysis method, satisfy the following formula:

description='In-line Formulae' end='lead'0.5≤1−[(M1+M2)/(M1+M2+M3)]<1,description='In-line Formulae' end='tail'

    wherein M1 refers to the eluted Cr ion amount (in pg/cm2), M2 refers to the eluted Mo ion amount (in pg/cm2), and M3 refers to the eluted Ni ion amount (in pg/cm2).

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Patent Owner(s)

Patent OwnerAddress
CHEMOURS-MITSUI FLUOROPRODUCTS CO LTD1-17 TORANOMON 4-CHOME MINATO-KU 105-0001

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nishimura, Takahiro Shizuoka, JP 48 322
Yabe, Hiromasa Shizuoka, JP 6 4

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