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.

Date of Patent:
Dec. 03, 1985

Filed:

Oct. 05, 1984
Applicant:
Inventors:

Colin G Griggs, Ashford, GB;

Philip G Lodge, Woking, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568487 ; 568902 ;
Abstract

A recycle solvent for use in a metal catalysed process for the production of ethanol and/or acetaldehyde by the liquid phase reaction of methanol, carbon monoxide and hydrogen is provided. The solvent should (1) form a single phase with methanol and the liquid products of the process throughout the process; (2) be one in which the catalyst and any associated promoters are soluble; (3) have a boiling point at atmospheric pressure in excess of 120.degree. C. and (4) should be chemically stable under the reaction conditions and not interact in a deliterious manner with either the catalyst or the other components of the reaction. A preferred class of recycle solvent is sulpholane and its substituted derivatives.


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