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2 117 004

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IPC

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Application

95120305/04, 1995-12-07

(22)

Actual filing date

1995-12-07

(45)

Published

1998-08-10

(72)

Inventor

Belova V.M.Belovodskij V.P.Ozorova T.I.Serpukhovitin I.P.Davydovich D.V.Kirsanov A.T.Belov A.V.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD OF PRODUCTION OF β-CAROTENE Russian patent published in 1998 - IPC

Abstract RU 2117004 C1

FIELD: organic chemistry, production of β-carotene. SUBSTANCE: β-carotene is produced by condensation of retinyl triphenyl phosphonium and retinene in organic solvent on alcohol base. The process takes place in the presence of alkali agent at pH 11-13.5. Isolation of carotene is carried out of aqueous-organic reaction mass heated to 40-80 C. EFFECT: increased yield of the product and improved quality of β-carotene. 4 cl, 1 tbl

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RU 2 117 004 C1

Authors

Belova V.M.

Belovodskij V.P.

Ozorova T.I.

Serpukhovitin I.P.

Davydovich D.V.

Kirsanov A.T.

Belov A.V.

Dates

1998-08-10—Published

1995-12-07—Filed

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