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:
Sep. 12, 1978
Filed:
Apr. 11, 1977
Applicant:
Inventors:
Assignee:
Asahi Kasei Kogyo Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560244 ; 252438 ;
Abstract
1,4-Diacyloxybutene-2 is produced with a high yield by reacting 1,3-butadiene with a carboxylic acid, for example, acetic acid, and molecular oxygen in the presence of a catalyst containing metallic palladium and at least one iodine-containing substance selected from the group consisting of iodine, iodic acid, iodates, for example, alkali metal iodates and substituted and unsubstituted ammonium iodate, and iodides, for example, hydrogen iodide, alkali metal iodide and substituted and unsubstituted ammonium iodides, the ratio in gram-atom, of iodine to palladium in the above-mentioned catalyst being 0.1 to 1.5:1.