Trialkyl acetic acid (neo acid) esters and esterification...

Details Trialkyl acetic acid (neo acid) esters and esterification... Trialkyl acetic acid (neo acid) esters and esterification...

2005-04-19

2005-04-19

Zucker, Paul A. (Department: 1621)

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

Organic compounds

Carboxylic acid esters

C554S124000

Reexamination Certificate

active

06881859

ABSTRACT:
Disclosed is a method of making trialkyl acetic acid (“neo acid”) esters and a neo acid ester composition. Neo acid esters are made by contacting a neo acid stream, comprising a mixture of neo acids, with alcohol in the presence of a catalyst. The invention has the benefit of providing a desired neo acid ester composition, while eliminating, or at least limiting, the need for separation and/or purification of the reactants prior to the synthesis of the desired neo acid esters.

REFERENCES:
patent: 3037052 (1962-05-01), Bortnick
patent: 3349107 (1967-10-01), Pawlenko
patent: 4332738 (1982-06-01), Benitez et al.
patent: 960001 (1964-06-01), None
patent: 998974 (1965-07-01), None
Coopersmith, et al.Preparation and Hydrolytic Stability of Trialkylacetic Acid Esters, I&EC Product Research and Development, vol. 5, No. 1 (1966).
The Journal of the American Oil Chemists Society, 45, No. 1, Jan. 1968, pp. 5-10.
H. Koch,Brennstoff Chem.36, 321 (1955).

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