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:
Feb. 09, 2016
Filed:
May. 21, 2008
Stephen A. Cottrell, Baton Rouge, LA (US);
Hsueh Sung Tung, Getzville, NY (US);
Haiyou Wang, Amherst, NY (US);
Yuon Chiu, Denville, NJ (US);
Gustavo Cerri, Parsippany, NJ (US);
Stephen A. Cottrell, Baton Rouge, LA (US);
Hsueh Sung Tung, Getzville, NY (US);
Haiyou Wang, Amherst, NY (US);
Yuon Chiu, Denville, NJ (US);
Gustavo Cerri, Parsippany, NJ (US);
HONEYWELL INTERNATIONAL INC., Morris Plains, NJ (US);
Abstract
Disclosed is a method for forming HFO-1234ze, and for forming compositions comprising HFO-1234ze, by (a) converting, preferably by dehydrofluorination, pentafluorpropane (HFC-245), preferably 1,1,1,3,3-pentafluorpropane (HFC-245fa), preferably by contact with a caustic solution, to a reaction product comprising cis-HFO-1234ze and trans-HFO-1234ze; and (b) contacting at least a portion, preferably substantially portion, and in certain embodiments substantially all of said reaction product with at least one isomerization catalyst to convert at least a portion, and preferably at least a substantial portion, of cis-HFO-1234ze in said reaction product to trans-HFO-1234ze.