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Application

94027723/26, 1994-07-22

(22)

Actual filing date

1994-07-22

(45)

Published

1997-03-27

(72)

Inventor

Amosova S.V.Shaulina L.P.Golentovskaja I.P.Ivanova N.I.Khamidulina S.A.Emanova N.I.Smagunova M.M.

(73)

Holder

Irkutskij Institut Organicheskoj Khimii So RanIrkutskij Gosudarstvennyj Universitet

TECHNOLOGY OF RECOVERY OF SILVER FROM SOLUTIONS Russian patent published in 1997 - IPC

Abstract RU 2076068 C1

FIELD: chemical technology. SUBSTANCE: silver nitrate or sulfate solution is treated with sorbent. The sorbent is 2-methyl-1,3,5-oxathiazepin-4-thione which is product of intermolecular cyclization of N-(vinyloxyethyl) dithiocarbaminic acid. EFFECT: more efficient recovery process. 4 tbl

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RU 2 076 068 C1

Authors

Amosova S.V.

Shaulina L.P.

Golentovskaja I.P.

Ivanova N.I.

Khamidulina S.A.

Emanova N.I.

Smagunova M.M.

Dates

1997-03-27—Published

1994-07-22—Filed

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