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:
Jul. 17, 1984
Filed:
Jun. 09, 1982
Applicant:
Inventors:
Susumu Fujiyama, Kurashiki, JP;
Shunichi Matsumoto, Kurashiki, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568428 ;
Abstract
Alkylbenzaldehyde is continuously produced in high yield from alkylbenzene by formylation with carbon monoxide in the presence of HF--BF.sub.3, where the alkylbenzene, HF--BF.sub.3 and carbon monoxide under a carbon monoxide partial pressure of at least 5 kg/cm.sup.2 absolute are introduced into the reactor to continuously carry out complexing of the alkylbenzene with HF--BF.sub.3 and formylation with the carbon monoxide successively in one and same reactor.