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:
May. 29, 1979
Filed:
Jul. 27, 1978
Applicant:
Inventors:
Yasuo Tanabe, Tokyo, JP;
Jun Toriya, Kurashiki, JP;
Ikuo Kasahara, Kurashiki, JP;
Ken Shiraga, Kurashiki, JP;
Assignee:
Mitsubishi Chemical Industries Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07D / ;
U.S. Cl.
CPC ...
26034611 ; 568851 ; 568858 ;
Abstract
A process is disclosed in which hydrolysis and cyclization of an acetate ester of a 1,4-diol are carried out in separate reaction zones in the pressure of a solid acid catalyst and unreacted acetate ester recovered from each of the reaction zones is supplied to another zone thereby producing a hydrofuran and a 1,4-diol in any proportion.