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. 26, 1994
Filed:
Jun. 28, 1993
Applicant:
Inventors:
Assignee:
Mitsubishi Kasei Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568484 ; 568426 ; 568435 ; 568449 ;
Abstract
A method for producing an aldehyde, which comprises hydrogenating a carboxylic acid or its alkyl ester with molecular hydrogen in the presence of a catalyst, wherein (1) chromium oxide of high purity having a specific surface area of at least 10 m.sup.2 /g and a total content of sodium, potassium, magnesium and calcium of not more than 0.4 wt %, is used as the catalyst, and (2) the hydrogenation reaction is conducted while maintaining the carboxylic acid or its alkyl ester at a concentration of not more than 10 vol %.
Yokohama, Toshiharu. (1994). Method for producing an aldehyde (U.S. Patent No. 5306845). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5306845
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