Method of producing high density tocopherol acid succinate

Details Method of producing high density tocopherol acid succinate Method of producing high density tocopherol acid succinate

2006-01-27

2008-03-11

Morris, Patricia L (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07342121

ABSTRACT:
A process is described for making high density tocopherol succinate powder. In this process, a solution of tocopherol succinate is prepared in hexane. The hexane is removed under heat and pressure. The resulting powder is then mixed with hexane yielding larger particles and a denser product. In the process, an atmosphere enriched in nitrogen is maintained over said tocopherol powder during said process.

REFERENCES:
patent: 4870196 (1989-09-01), Thorengaard
patent: 5686632 (1997-11-01), Walsh
patent: 6130343 (2000-10-01), Hunsicker et al.

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