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A method for separating 2-hydroxy-4-methylthiobutyric acid (HMTBA) from a 2-hydroxy-4-methylthioburyronitrile (HMTBN) acid hydrolysate mixture, comprising the following steps: neutralizating the mixture with aqueous ammonia; settling the neutralized mixture; separating the organic phase comprising HMTBA, water and salts and the aqueous phase comprising HMTBA, water and salts; releasing the salts from the organic phase with an amount of an organic solvent selected from the group consisting of ketones, aldehydes, ethers, esters, carbonates and alcohols ; and/or exhaustively extracting the HMTBA from the aqueous phase with an amount of an organic solvent selected from the group consisting of ketones, aldehydes, ethers, esters, carbonates and alcohols.
Notices, Deadlines & Correspondence
Patent Information
Applicants
INDIAN INSTITUTE OF TECHNOLOGY
Inventors
1. JAYESH RAMESH BELLARE
2. ALIASGAR QUTUB CONTRACTOR
3. SANJIB NIRANJAN DATTA
4. SHEETAL SHARAD VATTURKAR
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 13-mum-2001-claims(granted)-(4-1-2001).doc | 2018-08-08 |
| 1 | 13-mum-2001-power of authority(3-12-2004).pdf | 2018-08-08 |
| 2 | 13-mum-2001-form 8(23-3-2004).pdf | 2018-08-08 |
| 3 | 13-mum-2001-form 3(4-1-2001).pdf | 2018-08-08 |
| 4 | 13-mum-2001-form 26(4-1-2001).pdf | 2018-08-08 |
| 5 | 13-mum-2001-form 2(granted)-(4-1-2001).pdf | 2018-08-08 |
| 7 | 13-mum-2001-form 19(28-8-2003).pdf | 2018-08-08 |
| 8 | 13-mum-2001-form 19(27-8-2003).pdf | 2018-08-08 |
| 9 | 13-mum-2001-form 1(4-1-2001).pdf | 2018-08-08 |
| 10 | 13-mum-2001-correspondece(ipo)-(5-12-2003).pdf | 2018-08-08 |
| 11 | 13-mum-2001-correspondece(5-12-2004).pdf | 2018-08-08 |
| 12 | 13-mum-2001-claims(granted)-(4-1-2001).pdf | 2018-08-08 |