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. 15, 2012
Filed:
Mar. 15, 2006
Applicants:
Esko Karvinen, Helsinki, FI;
Juha Lehtonen, Porvoo, FI;
Joni Kunnas, Sipoo, FI;
Merja Harteva, Espoo, FI;
Inventors:
Esko Karvinen, Helsinki, FI;
Juha Lehtonen, Porvoo, FI;
Joni Kunnas, Sipoo, FI;
Merja Harteva, Espoo, FI;
Assignee:
Perstorp Specialty Chemicals AB, Perstorp, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a process for hydroformylation of α-olefin wherein said α-olefin is reached with carbon monoxide or carbon monoxide and hydrogen and/or a reducing agent in presence of a catalyst complex based on a rhodium precursor and a ligand mixture comprising at least 1% by weight of trphenylphosphine and at least 5% by weight of diphenylcyclohexylphosphine, tris-(o-tolyl)phosphine, tris-(p-tolyl)phosphine or (2-methyl-phenyl)diphenylphospine.