Reduced-cloud-point clarified neem oil and methods of producing
US5626848A · kind A · utility
1Cited by
15References
3Claims
0Family size
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Key dates
| Filing date | Jun 6, 1995 |
| Grant date | May 6, 1997 |
| Priority date | — |
| Expiry date | Jun 6, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11B3/003
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A clarified neem oil having a cloud point below 13.degree. C. exhibits reduced phytotoxicity. Treatment of crude neem oil with a dilute aqueous basic solution or with an enzyme having lipid-degrading activity yields a clarified neem oil having acceptably low phytotoxicity. The methods are advantageous because they reduce or eliminate the waste stream of waxy by-product generated using existing methods for clarifying crude neem oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.