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93031331/02, 1993-06-08

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Actual filing date

1993-06-08

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Published

1995-05-20

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Spetsial'Noe Konstruktorsko-Tekhnologicheskoe Bjuro Pri Kuznetskom Zavode Priborov I Ferritov

METHOD FOR PREPARATION OF POWDERS OF MANGANESE-ZINC FERRITE FOR PRODUCTION OF PICTURE TUBE CORES Russian patent published in 1995 - IPC

Abstract RU 2035262 C1

FIELD: metallurgy. SUBSTANCE: rejected ferrites are subjected to wet disintegration in presence of polyacrylic acid. The resulting suspension is treated with triethanolamine in the amount of 0.1-0.3 wt.-% then with the binder (solution of polyvinyl alcohol) and sprayed on a drying-granulating installation. EFFECT: higher efficiency. 1 tbl

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RU 2 035 262 C1

Authors

Dates

1995-05-20—Published

1993-06-08—Filed

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