METHOD OF OBTAINING OF LOW CRYSTALLINITY OR AMORPHOUS OLTIPRAZ Russian patent published in 2009 - IPC A61K9/16 A61K31/497 A61P1/16 

Abstract RU 2342926 C2

FIELD: medicine; pharmacology.

SUBSTANCE: obtain the mixed solution containing oltipraz and soluble polymer in water, for example in the purified water, or insoluble polymer in water in solvent, thus the solvent is organic solvent; and obtaining of solid oltipraz dispersion in polymer. At obtaining of a solid dispersion, the mixed solution can be exposed to spray-type drying at use of the spray-type dryer or granulating at use of the granulator with a fluidised layer.

EFFECT: increase in solubility and biological availability of oltipraz.

18 cl, 2 tbl, 16 ex, 4 dwg

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RU 2 342 926 C2

Authors

Cho Cheong-Veon

Kang K'Oung-Reh

Li Sang-Kho

Kju Dzong

Kim Tehkkho

Li Sjung-Khak

Choj Dze-Mook

Cheon Dzjun-Khi

An Teh-Kjun

Park Khun-Dzjung

Dzeon Yn-Kung

Choj Kvang-Do

Lim Dzi-Voong

Khong Kvang-Khi

Khong Khuesuk

Kim Il-Khvan

Kim Teh-Khuong

Choj Nak-Khun

Kim Jong-Khoon

Ueon Ku-Dzeong

Sjukh Kheaan

Dzin Kheh-Tak

Kim Dzinvan

Min In-Ki

Dates

2009-01-10Published

2005-01-27Filed