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:
Aug. 07, 1990
Filed:
Jan. 12, 1990
Applicant:
Inventors:
Feng-Jung Wu, Baton Rouge, LA (US);
Bruce C Berris, Baton Rouge, LA (US);
Donald R Bell, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556 47 ;
Abstract
Cyclopentadienyl manganese tricarbonyl compounds are made by reacting a mixture of 0.25-0.55 moles of manganese acetate and 0.45-0.55 moles of a bis-cyclopentadienyl manganese compound with about 0.5-2.1 moles of an alkyl aluminum compound (e.g. triethyl aluminum) in the presence of about 0.75-1.25 moles of an ether per mole of said alkyl aluminum compound and reacting the mixture with carbon monoxide at about 65.degree.-175.degree. C. and 300-1500 psig.