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:
Jan. 16, 2001
Filed:
Dec. 11, 1998
Applicant:
Inventor:
Emilio Enrique Bunel, Wilmington, DE (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 4/550 ;
U.S. Cl.
CPC ...
C07C 4/550 ;
Abstract
The present invention provides an improved hydroformylation process in which the catalyst system is composed of a Group VIII metal and organic phosphite ligand having the structure P(OR),-OR′O—P(OR),or P(OR),, where R and R′ are organic residues which may be the same or different and where the R or R′ contain at least one C9 to C40 aliphatic group positioned as a tail extending away from the primary ligand structure rendering the ligand lipophilic.