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:
Dec. 04, 2012
Filed:
Nov. 05, 2008
Sudip Mukhopadhyay, Berkeley, CA (US);
Barbara A. Light, Niagara Falls, NY (US);
Kim M. Fleming, Hamburg, NY (US);
Steven D. Phillips, Buffalo, NY (US);
Rajesh K. Dubey, Williamsville, NY (US);
Sudip Mukhopadhyay, Berkeley, CA (US);
Barbara A. Light, Niagara Falls, NY (US);
Kim M. Fleming, Hamburg, NY (US);
Steven D. Phillips, Buffalo, NY (US);
Rajesh K. Dubey, Williamsville, NY (US);
Honeywell International Inc., Morristown, NJ (US);
Abstract
A multi-step process for preparing 2,3,3,3-tetrafluoro-1-propene comprising the steps of (a) contacting a starting material comprising 2-chloro-3,3,3-trifluoro-1-propene with hydrogen fluoride in the presence of activated first catalyst selected from the group consisting of antimony-halides, iron-halides, titanium halides, and tin-halides, to produce an intermediate composition; and (b) contacting said intermediate composition with a second catalyst of activated carbon to produce a final product comprising 2,3,3,3-tetrafluoro-1-propene.