Show metadata Hide metadata

(19)

(11)

2 088 531

(13)

(51)

IPC

(21) (22)

Application

92009644/25, 1992-12-03

(22)

Actual filing date

1992-12-03

(45)

Published

1997-08-27

(72)

Inventor

Belousova Ekaterina Evgen'Evna[Ua]Rozantsev Georgij Mikhajlovich[Ua]Krivobok Valentina Ivanovna[Ua]

(73)

Holder

Donetskij Gosudarstvennyj Universitet

METHOD FOR PRODUCTION OF PARATUNGSTATES OF ELEMENTS OF III GROUP Russian patent published in 1997 - IPC

Abstract RU 2088531 C1

FIELD: preparing compounds for production of catalysts, inhibitors of corrosion. SUBSTANCE: origin solutions of nitrates of metals (thallium, indium, scandium, yttrium) are cooled to 3 C. Freshly prepared solutions of sodium paratungstate having formula Na₁₀H₂W₁₂O₄₂•27H₂O is fed into solution of nitrates of metals, temperature is sustained at 3-8 C. EFFECT: improved efficiency. 1 tbl

Similar patents RU2088531C1

Title	Year	Author	Number
METHOD FOR PRODUCTION OF HYDROXYL APATITE	1993		RU2088521C1
METHOD OF PRODUCING ZIRCONIUM TUNGSTATE POWDER	2016	Dedova Elena Sergeevna Gubanov Aleksandr Iridievich Buyakova Svetlana Petrovna Kulkov Sergej Nikolaevich Petrushina Mariya Yurevna	RU2639244C1
METHOD OF PRODUCING MULTICOMPONENT TELLURITE GLASS	2015	Churbanov Mikhail Fedorovich Sibirkin Aleksej Alekseevich Zamjatin Oleg Andreevich Goreva Irina Gennadevna Gavrin Stanislav Andreevich	RU2584474C1
IMPROVED SELECTIVE AMMOXIDATION CATALYSTS	2014	Brazdil James F. Toft Mark A. Besecker Charles J. Seely Michael J.	RU2690512C2
METHOD OF OBTAINING NANODISPERSE METAL OXIDES	2012	Seljutin Artem Aleksandrovich	RU2538585C2
DEEP HYDROFINING CATALYST OF OIL FRACTIONS AND METHOD OF ITS PREPARATION	2015	Pimerzin Andrej Alekseevich Tomina Natalya Nikolaevna Maksimov Nikolaj Mikhajlovich Moiseev Aleksej Vyacheslavovich	RU2631424C2
ADDITIVES TO AMMOXIDATION CATALYSTS BASED ON METAL OXIDE MIXTURES INPUT BEFORE CALCINATION	2013	Brazdil Dzhr Dzhejms Frank Beseker Charlz Dzhejms Sili Majkl Dzh. Khaddad Muin S. Toft Mark A.	RU2619943C2
IMPROVED SELECTIVE AMMOXIDATION CATALYSTS	2014	Brazdil James F. Toft Mark A. Besecker Charles J. Seely Michael J.	RU2668554C2
METHOD FOR PRODUCING TUNGSTEN COBALT-DOPED OXIDE	2020	Zakharova Galina Stepanovna Podvalnaya Natalya Vladimirovna Baklanova Inna Viktorovna	RU2748755C1
METHOD OF SCANDIUM EXTRACTION	1993	Degtev M.I. Mel'Nikov P.V. Toropov L.I.	RU2049728C1

RU 2 088 531 C1

Authors

Belousova Ekaterina Evgen'Evna[Ua]

Rozantsev Georgij Mikhajlovich[Ua]

Krivobok Valentina Ivanovna[Ua]

Dates

1997-08-27—Published

1992-12-03—Filed