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:
Nov. 19, 2002
Filed:
Oct. 09, 2001
Applicant:
Inventors:
Jack S. Warren, Blountville, TN (US);
David R. Westphal, Chanhassen, MN (US);
Steve J. Zoubek, Otsego, MN (US);
Assignee:
EagleView Technologies, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 4/536 ;
U.S. Cl.
CPC ...
C07C 4/536 ;
Abstract
A method and an apparatus for producing aromatic aldehydes, including benzaldehyde and metatolualdehyde wherein the reaction occurs in the vapor phase. Raw materials and a source of oxygen are fed into a tube reactor. The raw materials may be in a liquid or vapor phase. The reaction to form the aldehyde is catalyzed by suitable solid or liquid catalysts, including copper containing catalysts.