Invention Grant
- Patent Title: High pressure purification of waxes
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Application No.: US16765248Application Date: 2018-10-16
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Publication No.: US10954470B2Publication Date: 2021-03-23
- Inventor: Mangesh Ganesh Kulkarni , Prajakt Subhash Charhate , Siddhartha Pal , Sagar Shivaji Divekar , Mohan Ganapat Kashid , Ravikumar Rao Pallinti , Pramod Shankar Kumbhar
- Applicant: PRAJ INDUSTRIES LIMITED
- Applicant Address: IN Pune
- Assignee: PRAJ INDUSTRIES LIMITED
- Current Assignee: PRAJ INDUSTRIES LIMITED
- Current Assignee Address: IN Pune
- Agency: Billion & Armitage
- Priority: IN201721041439 20171120
- International Application: PCT/IN2018/050667 WO 20181016
- International Announcement: WO2019/097535 WO 20190523
- Main IPC: C11B3/12
- IPC: C11B3/12 ; C11B3/00 ; C11B11/00 ; C11B13/00
Abstract:
The invention relates to a method for the purification of crude rice bran wax using an alcohol as a purifying solvent under high pressure conditions. It particularly relates to the use of ethyl alcohol as said solvent for efficient and economic purification of crude rice bran wax into economically valuable high purity wax products.
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