Process for producing methacrylic ester

Details Process for producing methacrylic ester Process for producing methacrylic ester

2007-07-10

2007-07-10

Page, Thurman K. (Department: 1621)

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

Organic compounds

Carboxylic acid esters

Reexamination Certificate

active

10540924

ABSTRACT:
A method of producing a methacrylic acid ester which comprises carrying out an ester-exchange reaction between methyl methacrylate and an alcohol or a phenol while removing by-product methanol as an azeotropic mixture with methyl methacrylate from the reaction system under reflux conditions, by the use of a reaction apparatus equipped with a distillation column. A methacrylic acid ester is produced with a good productivity by controlling the reflux ratio.

REFERENCES:
patent: 5037978 (1991-08-01), Mirabelli
patent: 0 968 995 (2000-01-01), None
patent: 55-087747 (1980-07-01), None
patent: 63-115850 (1988-05-01), None
patent: 03-118352 (1991-05-01), None
patent: 2000-16966 (2000-01-01), None

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