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. 03, 2000
Filed:
Apr. 14, 1999
Applicant:
Inventors:
John G Zajacek, Devon, PA (US);
Wilfred P Shum, West Chester, PA (US);
Assignee:
Arco Chemical Technology, L.P., Greenville, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568852 ;
Abstract
Allyl alcohol is hydroformated to 1,4-butanediol using a rhodium and trialkyl phosphine catalyst having at least 2 methyl groups, the reaction first being carried out at milder conditions and subsequently at more, severe conditions.