Show metadata Hide metadata

(19)

(11)

2 034 559

(13)

(51)

IPC

(21) (22)

Application

93050385/14, 1993-11-17

(22)

Actual filing date

1993-11-17

(45)

Published

1995-05-10

(72)

Inventor

Babkin V.A.Svjatkin Ju.K.Ostroukhova L.A.Glazyrin V.V.Vorob'Ev V.G.Tjukavkina N.A.

(73)

Holder

Filial Khimii Drevesiny Irkutskogo Instituta Organicheskoj Khimii So Ran

METHOD FOR ISOLATING DIHYDROQUERCITROL Russian patent published in 1995 - IPC

Abstract RU 2034559 C1

FIELD: medicine. SUBSTANCE: wood of larch is degreased with the help of benzene or hexane and then is extracted with ethylacetate by heating. Thus prepared extract is evaporated and crystallized of hot water. Desired product has antioxidant, antiinflammatory and antihistamine action. EFFECT: simplifies the method, increases yield.

Similar patents RU2034559C1

Title	Year	Author	Number
METHOD OF PREPARING DIHYDROQUERCETIN	1998	Babkin V.A. Ostroukhova L.A. Babkin D.V. Malkov Ju.A.	RU2158598C2
METHOD FOR PRODUCING DIHYDROQUERCETIN	2011	Levdanskij Vladimir Aleksandrovich Levdanskij Aleksandr Vladimirovich Kuznetsov Boris Nikolaevich	RU2454410C1
METHOD OF PREPARING DIQUERTIN AS A NEW PHYTOPREPARATION WITH GENERAL-PURPOSE THERAPEUTIC EFFECT	1998		RU2174403C2
METHOD OF PRODUCING DIHYDROQUERCETIN FROM SIBERIAN LARCH WOOD	2016	Levdanskij Vladimir Aleksandrovich Levdanskij Aleksandr Vladimirovich Kuznetsov Boris Nikolaevich	RU2629770C1
METHOD FOR PRODUCING DIHYDROQUERCETIN	1994	Tjukavkina N.A. Naumov V.V. Kolesnik Ju.A. Rulenko I.A. Ruchkin V.E. Gavrilova T.F. Naumov O.V.	RU2038094C1
METHOD OF DIHYDROQUERCITIN PREPARING	1995	Babkin Vasilij Anatol'Evich Ostroukhova Ljudmila Andreevna Glazyrin Valerij Vasil'Evich Svjatkin Jurij Konstantinovich Babkin Dmitrij Vasil'Evich Vorob'Ev Vladimir Grigor'Evich Selivanov Nikolaj Pavlovich	RU2082425C1
METHOD OF PREPARING HIGHLY PURE ARABINOGALACTANE	1998	Babkin V.A. Ostroukhova L.A. Medvedeva S.A. Babkin D.V. Malkov Ju.A. Aleksandrova G.P. Antonova L.I.	RU2143437C1
METHOD OF DIHYDROQUERCETIN PRODUCTION	2007	Lashin Sergej Alekseevich Ostronkov Vladimir Sergeevich	RU2330677C1
METHOD OF DIHYDROQUERCITIN PREPARING	1996	Khutorjanskij Vitalij Arkad'Evich Bazhenov Boris Nikolaevich Sajbotalov Mikhail Jur'Evich Tjukavkina Nona Arsen'Evna	RU2091076C1
METHOD OF PRODUCING DIHYDROQUERCETIN	2010	Ostronkov Vladimir Sergeevich Lashin Sergej Alekseevich	RU2435766C1

RU 2 034 559 C1

Authors

Babkin V.A.

Svjatkin Ju.K.

Ostroukhova L.A.

Glazyrin V.V.

Vorob'Ev V.G.

Tjukavkina N.A.

Dates

1995-05-10—Published

1993-11-17—Filed