Intermediates for use in the preparation of vitamin E

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C549S411000, C564S502000, C564S505000, C564S506000, C564S508000, C564S503000, C568S300000, C568S386000, C568S403000, C568S404000, C568S405000, C568S579000, C568S687000, C568S689000

Reexamination Certificate

active

06867307

ABSTRACT:
Intermediate compounds which can be used in the preparation of phytone and Vitamin E, a process for the preparation thereof, and a process for the preparation of phytone and Vitamin E from these intermediate compounds.

REFERENCES:
patent: 0 544 588 (1993-06-01), None
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