BEESWAX PROCESSING METHOD Russian patent published in 2004 - IPC

Abstract RU 2221580 C1

FIELD: beekeeping. SUBSTANCE: invention relates to processing beeswax to produce perfumery and cosmetic raw materials. Starting material, in particular divided wax or a waxed material, is subjected to two-step extraction. In the first step, extraction is accomplished with liquefied carbon dioxide for 2-4 h at 22-26 C and pressure 6.0-7.0 MPa. Resulting carbon dioxide extract is then treated with 94% ethanol for 5-10 min at 20-25 C giving alcohol-soluble and alcohol-insoluble portions. EFFECT: improved environmental safety of process and enabled isolation of well dispersible preparations. 2 ex

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RU 2 221 580 C1

Authors

Lebedeva O.I.

Ushanova V.M.

Muljava V.E.

Repjakh S.M.

Dates

2004-01-20Published

2002-05-21Filed