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. 25, 1986
Filed:
Nov. 27, 1985
Applicant:
Inventor:
Jean A Hanin, Rixensart, BE;
Assignee:
Exxon Research & Engineering Co., Florham Park, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568451 ; 568909 ;
Abstract
Cobalt values are removed from the crude product of a cobalt-catalyzed hydroformylation reaction by contacting the product with stripping gas to entrain volatile cobalt compounds, in the presence of water or aqueous acid to dissolve cobalt values not so entrained.