The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 16, 2002
Filed:
May. 09, 2000
Applicant:
Inventors:
John Ridland, Durham, GB;
Iain Wesley Hepplewhite, Teesside, GB;
Assignee:
ACMA Limited, Cheshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 7/00 ; C07F 9/30 ; B01J 3/100 ;
U.S. Cl.
CPC ...
C07F 7/00 ; C07F 9/30 ; B01J 3/100 ;
Abstract
An organometallic compound suitable for use as a catalyst for the preparation of an ester comprises the reaction product of an orthoester or condensed orthoester of titanium, zirconium or aluminum, an alcohol containing at least two hydroxyl groups, an organophosphorus compound containing at least one P—OH group and a base. A process for the preparation of an ester comprises carrying out an esterification reaction in the presence of the catalyst In a further embodiment the organometallic compound suitable for use as a catalyst in an esterification process comprises the reaction product of, in addition, a 2-hydroxy carboxylic acid.