Method for removing rare earth impurities from nickel-electroplating solution

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United States of America Patent

PATENT NO 9873953
SERIAL NO

14771327

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A method for removing rare earth impurities from a nickel-electroplating solution by adding a rare earth compound to the nickel-electroplating solution containing rare earth impurities, keeping the electroplating solution at 60° C. or higher for a certain period of time, and then removing precipitate generated by the heating from the nickel-electroplating solution together with the added rare earth compound by sedimentation and/or filtration.

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Patent OwnerAddress
HITACHI LTD6-6 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO 1008280 ?1008280

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Inventor Name Address # of filed Patents Total Citations
Kamachi, Masanao Kumagaya, JP 10 23

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