Process for producing alkyl esters from a vegetable or...

Details Process for producing alkyl esters from a vegetable or... Process for producing alkyl esters from a vegetable or...

2005-04-12

2005-04-12

Carr, Deborah D. (Department: 1621)

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

Organic compounds

Fatty compounds having an acid moiety which contains the...

C554S167000

Reexamination Certificate

active

06878837

ABSTRACT:
Alkyl esters of fatty acids, and high purity glycerin, are produced using a process comprising a set of transesterification reactions between a vegetable or animal oil and an aliphatic monoalcohol employing a heterogeneous catalyst, for example based on zinc aluminate, the water content in the reaction medium being controlled to a value that is below a given limiting value.

REFERENCES:
patent: 5908946 (1999-06-01), Stern et al.
patent: 6262285 (2001-07-01), McDonald
patent: 0200982 (1986-11-01), None
patent: 2752242 (1998-02-01), None
patent: 2752242 (1998-02-01), None
XP-002170978—JAOCS, vol. 61, No. 10 (Oct. 1984), “Rapeseed Oil Transesterification By Heterogeneous Catalysis”, G.R. Peterson et al. pp. 1593-1597.

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