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2 107 688

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Application

3161557/04, 1987-01-26

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Actual filing date

1987-01-26

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Published

1998-03-27

(72)

Inventor

Glinskij Ju.D.Bogatyrev I.L.Kolesnikov S.E.Shachnev V.T.Loskutov L.G.Nechepurnoj V.D.Shal' A.A.Kljuev V.P.Sokolov V.V.Zotov S.B.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Nauchno-Issledovatel'Skij Tsentr S Opytnym Zavodom

METHOD FOR PRODUCTION OF INHIBITOR OF DEPOSITS OF MINERAL SALTS Russian patent published in 1998 - IPC

Abstract RU 2107688 C1

FIELD: chemical industry. SUBSTANCE: phosphorous trichloride is affected by hydrolysis which takes place by treatment with water or with 5-35 % hydrochloric acid. The process is carried out at 25-75 C in the medium of 75-95 % phosphoric acid, molar ratio of phosphorous trichloride and water being 1: (3-4) respectively. EFFECT: improved efficiency of the method. 3 tbl

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RU 2 107 688 C1

Authors

Glinskij Ju.D.

Bogatyrev I.L.

Kolesnikov S.E.

Shachnev V.T.

Loskutov L.G.

Nechepurnoj V.D.

Shal' A.A.

Kljuev V.P.

Sokolov V.V.

Zotov S.B.

Dates

1998-03-27—Published

1987-01-26—Filed

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