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. 29, 2003
Filed:
Nov. 30, 2000
Applicant:
Inventors:
Guido Protzmann, Marl, DE;
Klaus-Diether Wiese, Haltern, DE;
Wilfried Büschken, Haltern, DE;
Dirk Röttger, Recklinghausen, DE;
Assignee:
Oxeno Olefinchemie GmbH, Marl, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 4/500 ; C07C 2/914 ; C07C 2/916 ; C07C 2/720 ; C07C 5/116 ;
U.S. Cl.
CPC ...
C07C 4/500 ; C07C 2/914 ; C07C 2/916 ; C07C 2/720 ; C07C 5/116 ;
Abstract
Aldehydes are prepared in a hydroformylation apparatus by the multiphase hydroformylation reaction of one or more olefins with hydrogen and carbon monoxide, where the continuous phase contains a solvent mixture and the hydroformylation catalyst is present in the continuous phase, at least one olefin is present in the dispersed phase, and the loading factor of the tube reactor is greater than or equal to 0.8.