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:
Oct. 29, 2002
Filed:
Oct. 23, 2001
Applicant:
Inventors:
Helmut Bahrmann, Hamminkeln, DE;
Hans Bohen, Moers, DE;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 4/549 ; C07C 4/550 ;
U.S. Cl.
CPC ...
C07C 4/549 ; C07C 4/550 ;
Abstract
The invention relates to a method for producing aldehydes by reacting monoolefins, conjugated and non-conjugated polyolefins, cycloolefins, or derivatives of these classes of compounds with carbon monoxide and hydrogen (hydroformylation) in the presence of rhodium or rhodium compounds and a non-aqueous liquid of the formula (Q ) A , wherein Q represents a singly charge ammonium cation that is optionally substituted with organic radicals, and A represents the anion of a sulphonated or carboxylated triester of phosphoric acid.