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:
Apr. 28, 2009
Filed:
Jun. 12, 2008
Stephen M. Tieri, Wilmington, DE (US);
John Joseph Hagedom, Newark, DE (US);
James Arnold Schultz, Swedesboro, NJ (US);
Tiberiu M. Leib, Voorhees, NJ (US);
Susanne Hawthorne Wolff, Wilmington, DE (US);
Sourav K. Sengupta, Wilmington, DE (US);
Gregory Paul Shankwitz, Landenberg, PA (US);
Stephen M. Tieri, Wilmington, DE (US);
John Joseph Hagedom, Newark, DE (US);
James Arnold Schultz, Swedesboro, NJ (US);
Tiberiu M. Leib, Voorhees, NJ (US);
Susanne Hawthorne Wolff, Wilmington, DE (US);
Sourav K. Sengupta, Wilmington, DE (US);
Gregory Paul Shankwitz, Landenberg, PA (US);
E.I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
A continuous process for producing hexafluoroisopropanol is provided which comprises contacting hexafluoroacetone with hexafluoroisopropanol and hydrogen to produce a liquid feed stream; introducing the liquid feed stream to a reactor containing an immobilized hydrogenation catalyst to convert the hexafluoroacetone to hexafluoroisopropanol and provide a product stream; and recovering at least a portion of the hexafluoroisopropanol from the product stream. Preferably a portion of the product stream is recycled. The reactor can be a packed bed or stirred tank reactor.