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. 02, 2000
Filed:
Nov. 09, 1998
Applicant:
Inventors:
Takashi Okada, Yokkaichi, JP;
Makoto Hanaya, Yokkaichi, JP;
Akitaka Hattori, Inabe-gun, JP;
Takanori Miyake, Yokkaichi, JP;
Nobuo Nagira, Yamaguchi, JP;
Shunya Ikumi, Yamaguchi, JP;
Takashi Hori, Yamaguchi, JP;
Norimasa Mizui, Tokuyama, JP;
Assignee:
Tosoh Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568705 ; 560231 ;
Abstract
Benzyl alcohol of high purity is produced by supplying benzyl acetate, water and acetic acid to a hydrolysis reactor packed with a solid acid catalyst. The liquid reaction mixture produced, which contains benzyl acetate, water, benzyl alcohol and acetic acid, is supplied to an acetic acid-water recovery column, Benzyl alcohol and benzyl acetate are recovered while acetic acid is removed and returned to the hydrolysis reactor.