Show metadata Hide metadata

(19)

(11)

2 151 098

(13)

(51)

IPC

(21) (22)

Application

99118891/12, 1999-09-07

(24)

Start date

1999-09-07

(22)

Actual filing date

1999-09-07

(45)

Published

2000-06-20

(72)

Inventor

Gajsin L.G.Karimov Ja.M.Akhmetov T.G.

(73)

Holder

Gajsin Lenar GajnullovichKarimov Jagafar MukhtarovichAkhmetov Timerkhan Gabdullovich

METHOD OF PREPARING ANHYDROUS SODIUM THIOSULFATE Russian patent published in 2000 - IPC

Abstract RU 2151098 C1

FIELD: chemical industry, more particularly preparation of anhydrous sodium thiosulfate. SUBSTANCE: method comprises dehydration of sodium thiosulfate pentahydrate by treating it in vacuum at constant rarefaction within 0.38-0.41 atm gauge at temperatures ranging from 76 to 78 C followed by cooling and sifting. EFFECT: improved quality of the product. 2 ex

Similar patents RU2151098C1

Title	Year	Author	Number
METHOD OF PREPARING MAGNESIUM SULFATE MONOHYDRATE	1999	Gajsin L.G. Karimov Ja.M. Akhmetov T.G.	RU2151102C1
METHOD OF PREPARING BARIUM HYDROXIDE MONOHYDRATE	1999	Gajsin L.G. Karimov Ja.M. Akhmetov T.G. Porfir'Eva R.T.	RU2151103C1
BARIUM CARBONATE GRANULATION PROCESS	1997	Busygin Vladimir Mikhajlovich Gajsin Lenar Gajnullovich Akhmetov Timerkhan Gabdullovich	RU2108293C1
METHOD FOR PURIFYING MAGNESIUM SULFATE SOLUTIONS	1997	Busygin Vladimir Mikhajlovich Gajsin Lenar Gajnullovich Akhmetov Timerkhan Gabdullovich	RU2102320C1
METHOD OF DRYING CALCIUM CHLORIDE SOLUTION OBTAINING GRANULATED PRODUCT AND PLANT FOR REALIZATION OF THIS METHOD	1996	Lamm Ehduard L'Vovich Slobodchikov Vladimir Borisovich Gdalin Semen Il'Ich Karimov Jagafar Mukhtarovich Busygin Vladimir Mikhajlovich Gajsin Lenar Gajnullovich	RU2093766C1
METHOD OF PREPARING GEL-FORMING SODIUM SILICATE AQUEOUS SOLUTIONS	1997	Busygin Vladimir Mikhajlovich Gajsin Lenar Gajnullovich Akhmetov Timerkhan Gabdullovich Chvanov Vjacheslav Vladimirovich Gizzatullin Rinat Mullajanovich	RU2108291C1
METHOD OF PREPARING GRANULAR BARIUM CARBONATE	1996	Busygin Vladimir Mikhajlovich[Ru] Gajsin Lenar Gajnullovich[Ru] Gitis Ehduard Borisovich[Ua] Karimov Jagafar Mukhtarovich[Ru] Beljaeva Nina Vasil'Evna[Ua]	RU2090507C1
METHOD OF PRODUCING LOW-CHLORIDE POTASSIUM-PHOSPHORUS FERTILIZER	0	Khusnutdinov Valerij Altynbaevich Akhmetov Timerkhan Gabdullovich Shestakov Vitalij Vladimirovich Grabovenko Valentin Aleksandrovich Buksha Yurij Vladimirovich	SU1713901A1
METHOD PREPARING HYDRATED SODIUM OR POTASSIUM SILICATE POWDERS	1998	Brykov S.I. Busygin V.M. Valeev R.G. Gajsin L.G. Galimov K.S. Zakirov F.A. Korneev V.I. Mochalov N.A. Mukhametov I.Kh. Poddubnyj Ju.A. Tikhonova T.D. Fedurin A.A.	RU2134247C1
METHOD OF PRODUCING POTASSIUM MAGNESIUM SULFATE FERTILIZER	0	Khusnutdinov Valerij Altynbaevich Shestakov Vitalij Vladimirovich Akhmetov Timerkhan Gabdullovich Khuziakhmetov Rifkat Khabibrakhmanovich Muravev Aleksandr Aleksandrovich Mustakimova Mariam Akhmetgareevna Mukhametzyanov Eduard Kamilevich	SU1388395A1

RU 2 151 098 C1

Authors

Gajsin L.G.

Karimov Ja.M.

Akhmetov T.G.

Dates

2000-06-20—Published

1999-09-07—Filed