Invention Grant
- Patent Title: Extraction of phytosterols from tall oil soap using a solvent selected from dibromomethane, bromoform, tetrabromomethane or a combination thereof
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Application No.: US16073437Application Date: 2017-01-26
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Publication No.: US10597602B2Publication Date: 2020-03-24
- Inventor: Jari Kavakka
- Applicant: Stora Enso OYJ
- Applicant Address: FI Helsinki
- Assignee: Stora Enso OYJ
- Current Assignee: Stora Enso OYJ
- Current Assignee Address: FI Helsinki
- Agency: Greer, Burns & Crain Ltd.
- Priority: SE1650109 20160129
- International Application: PCT/IB2017/050408 WO 20170126
- International Announcement: WO2017/130127 WO 20170803
- Main IPC: C11B3/00
- IPC: C11B3/00 ; B01D11/04 ; C11B3/12 ; D21C11/00 ; C07J9/00 ; B01D3/14 ; C07J75/00
Abstract:
The present invention relates to extraction of phytosterols from alkaline tall oil soap which is obtained from the Kraft process black liquor by skimming. In the method according to the present invention, phytosterols are extracted using dibromomethane, bromoform, tetrabromomethane or a combination thereof.
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