Crystalline tocotrienol esters
US5670668A · kind A · utility
5Cited by
2References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 3, 1996 |
| Grant date | Sep 23, 1997 |
| Priority date | — |
| Expiry date | Jul 3, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D311/72
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is are the palmitate, stearate and 4-phenylbenzoate esters of D-.gamma.-tocotrienol which are the only known derivatives of D-.gamma.-tocotrienol which are crystalline solids and, therefore, may be utilized in the isolation and purification of D-.gamma.-tocotrienol by crystallization and recrystallization procedures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.