Process for the manufacture of tocopheryl acylates

Details Process for the manufacture of tocopheryl acylates Process for the manufacture of tocopheryl acylates

2005-04-18

2008-10-14

Dentz, Bernard (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07435836

ABSTRACT:
The present invention relates to a process for the manufacture of a tocopheryl acylate which comprises reacting a tocopherol with an acylating agent in the presence of a solid basic catalyst comprising, an alkali metal and/or alkaline earth metal preferably on a solid carrier and to the use of such catalysts in the acylation of tocopherols.

REFERENCES:
patent: 6239294 (2001-05-01), Krill et al.
patent: 2004/0014996 (2004-01-01), Oost et al.
patent: 196 03 142 (1997-07-01), None
patent: 0 603 695 (1994-06-01), None
patent: WO 02/42286 (2002-05-01), None
Database XP002336034 & JP 49 055633 A, May 30, 1974.

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