Show metadata Hide metadata

(19)

(11)

2 506 978

(13)

(51)

IPC

A62D3/30(2007-01-01)

A62D101/02(2007-01-01)

A62D101/22(2007-01-01)

C07C51/265(2006-01-01)

C07C63/70(2006-01-01)

(21) (22)

Application

2012125786/05, 2012-06-20

(24)

Start date

2012-06-20

(22)

Actual filing date

2012-06-20

(45)

Published

2014-02-20

(72)

Inventor

Sheverdov Vladimir PetrovichNasakin Oleg Evgen'Evich

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Universitet Imeni I.N. Ul'Janova"

METHOD OF UTILISING TOXIC CHLORINE-CONTAINING SUBSTANCE 2-(2-CHLOROBENZYLIDENE)MALONODINITRILE(CS) Russian patent published in 2014 - IPC A62D3/30 A62D101/02 A62D101/22 C07C51/265 C07C63/70

Abstract RU 2506978 C1

FIELD: chemistry.

SUBSTANCE: invention relates to methods of destruction of toxic substances, namely to utilisation of toxic chlorine-containing substance 2-(2-chlorobenzylidene)malonodinitrile(CS) with obtaining 2-chlorobenzoic acid, which is a marketable product for synthesis of various organic compounds: pesticides, dyes, medications. Method consists in boiling 2-(2-chlorobenylidene)malononitrile in water solution of potassium permanganate for 3-3.5 hours. After that, mixture is kept at room temperature for 14-16 hours, obtained sediment is washed with hot water. Filtrate is evaporated, acidified with 10-15% hydrochloric acid, sediment from filtrate is washed with water and re-crystallised to obtain 2-chlorobenzoic acid.

EFFECT: invention makes it possible to eliminate toxic reagents from technological process and harmful emissions into atmosphere.

2 ex

Similar patents RU2506978C1

Title	Year	Author	Number
METHOD OF 1-DICYANOGEN-2-(2-CHLORPHENYL)ETHYLENE UTILISATION	2012	Migachev Jurij Sergeevich Migachev Aleksej Sergeevich Migachev Viktor Alekseevich	RU2503474C2
METHOD OF RECYCLING 2-CHLORO-1-PHENYLETHANOL-1	2007	Smirnov Evgenij Aleksandrovich Migachev Jurij Sergeevich Migachev Aleksej Sergeevich Sin'Kelev Aleksandr Petrovich Solovykh Sergej Nikolaevich Kuznetsova Svetlana Viktorovna L'Vov Aleksej Nikolaevich	RU2386612C2
METHOD OF REUSING 2-CHLORO-1-PHENYLETHAN-1-ONE	2000	Gormaj V.V. Chernov S.A. Alimov N.I. Basharin Ju.V. Savostin V.S.	RU2178718C2
METHOD OF 2-CHLORO-1-PHENYLETHANONE-1 UTILISATION	2007	Migachev Jurij Sergeevich Migachev Aleksej Sergeevich Sorokin Pavel Aleksandrovich Sin'Kelev Aleksandr Petrovich Solovykh Sergej Nikolaevich Kuznetsova Svetlana Viktorovna L'Vov Aleksej Nikolaevich	RU2359724C1
METHOD OF OBTAINING 2-CYANO-3-ARYLACRYLIC ACIDS	2013	Sheverdov Vladimir Petrovich Nasakin Oleg Evgen'Evich Andreev Aleksej Jur'Evich	RU2532916C2
METHOD FOR RECYCLING COMPOSITION OF ORGANOARSENIC SUBSTANCES CONTAINING 10-CHLOR-5,10-DIHYDROPHENARSAZINE	2014	Krasil'Nikov Valerij Vladimirovich Serebrennikov Boris Vasil'Evich Potoropin Evgenij Borisovich Poljakova Galina Jur'Evna	RU2567313C1
METHOD OF PURIFICATION OF THE WATER RUNOFFS, SOILS AND THE BULK MATERIALS FROM THE TOXIC SUBSTANCES AND MICROORGANISMS	2004	Vasilenko Vladimir Vasil'Evich Kruchinin Nikolaj Aleksandrovich Sal'Nikov Aleksandr Alekseevich Smirnov Pavel Leonidovich	RU2290977C2
METHOD FOR UTILIZING CHLORINE-CONTAINING POISONOUS PRODUCTS	2000	Gormaj V.V. Alimov N.I. Medvetskij I.V. Frolov V.N. Savostin V.S.	RU2191768C2
METHOD OF O-CHLOROBENZALMALONONITRILE PURIFICATION	2013	Kostjuchenko Igor' Valer'Evich Eremin Sergej Anatol'Evich Ivashev Igor' Petrovich Bolgov Petr Alekseevich Serebrennikov Boris Vasil'Evich Loskutov Anatolij Jur'Evich Kukhotkin Sergej Vladimirovich	RU2539294C1
INTEGRATED METHOD OF PROCESSING FLUORINE-CONTAINING TOXIC WASTES	2014	Savchenko Georgij Ehduardovich Katsnel'Son Leonid Ovseevich Borisov Igor' Aleksandrovich Shevchenko Andrej Vladimirovich Levashov Andrej Sergeevich	RU2561381C1

RU 2 506 978 C1

Authors

Sheverdov Vladimir Petrovich

Nasakin Oleg Evgen'Evich

Dates

2014-02-20—Published

2012-06-20—Filed