Show metadata Hide metadata

(19)

(11)

2 143 437

(13)

(51)

IPC

(21) (22)

Application

98112552/04, 1998-06-29

(24)

Start date

1998-06-29

(22)

Actual filing date

1998-06-29

(45)

Published

1999-12-27

(72)

Inventor

Babkin V.A.Ostroukhova L.A.Medvedeva S.A.Babkin D.V.Malkov Ju.A.Aleksandrova G.P.Antonova L.I.

(73)

Holder

Irkutskij Institut Khimii So Ran

METHOD OF PREPARING HIGHLY PURE ARABINOGALACTANE Russian patent published in 1999 - IPC

Abstract RU 2143437 C1

FIELD: pulp and paper and wood-working industries. SUBSTANCE: described is method of preparing highly pure arabinogalactane by aqueous extraction of larch wood, concentration of extract and product is precipitated with aliphates alcohol, Lurch wood is treated with ethyl acetate, extracted with water at 80-90 C. Extract is concentrated, coagulant and flocculant are added, separated from precipitate, product is precipitated with ethyl alcohol from filtrate. EFFECT: highly pure arabinogalactane and use of hydroqiercitin production waste as stock. 2 cl

Similar patents RU2143437C1

Title	Year	Author	Number
ARABINOGALACTAN PREPARATION METHOD	2003	Babkin V.A. Kolzunova L.G. Medvedeva E.N. Malkov Ju.A. Ostroukhova L.A.	RU2256668C2
METHOD OF PRODUCING HIGH-PURITY ARABINOGALACTAN	2010	Malkov Jurij Alekseevich Medvedeva Elena Nikolaevna Babkin Vasilij Anatol'Evich	RU2447086C2
METHOD OF PRODUCING ARABINOGALACTAN	2010	Malkov Jurij Alekseevich Medvedeva Elena Nikolaevna Babkin Vasilij Anatol'Evich	RU2454429C2
METHOD TO PRODUCE ARABINOGALACTANE	2008		RU2413432C2
METHOD OF PREPARING DIHYDROQUERCETIN	1998	Babkin V.A. Ostroukhova L.A. Babkin D.V. Malkov Ju.A.	RU2158598C2
ARABINOGALACTAN POLYSACCHARIDE PRODUCTION METHOD	2015	Chepurin Sergej Petrovich Melnikov Vladimir Aleksandrovich Shelepov Viktor Grigorevich Dushkin Aleksandr Valerevich Suntsova Lyubov Petrovna	RU2620013C2
METHOD FOR PRODUCING DIHYDROQUERCETIN	2011	Levdanskij Vladimir Aleksandrovich Levdanskij Aleksandr Vladimirovich Kuznetsov Boris Nikolaevich	RU2454410C1
METHOD OF PRODUCING DIHYDROQUERCETIN FROM SIBERIAN LARCH WOOD	2016	Levdanskij Vladimir Aleksandrovich Levdanskij Aleksandr Vladimirovich Kuznetsov Boris Nikolaevich	RU2629770C1
PHYTOCOMPLEX OF ANTIOXIDANT ACTIVITY AND METHOD FOR ITS EMBODIMENT	2001	Babkin V.A. Ostroukhova L.A. Ivanova N.V. Malkov Ju.A. Ivanova S.Z. Onuchina N.A.	RU2188031C1
METHOD FOR ISOLATING DIHYDROQUERCITROL	1993	Babkin V.A. Svjatkin Ju.K. Ostroukhova L.A. Glazyrin V.V. Vorob'Ev V.G. Tjukavkina N.A.	RU2034559C1

RU 2 143 437 C1

Authors

Babkin V.A.

Ostroukhova L.A.

Medvedeva S.A.

Babkin D.V.

Malkov Ju.A.

Aleksandrova G.P.

Antonova L.I.

Dates

1999-12-27—Published

1998-06-29—Filed