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:
Jan. 06, 2015
Filed:
Mar. 28, 2011
Selma Bektesevic, Morristown, NJ (US);
Hsueh S. Tung, Morristown, NJ (US);
Haiyou Wang, Morristown, NJ (US);
Daniel C. Merkel, Morristown, NJ (US);
Robert C. Johnson, Morristown, NJ (US);
Selma Bektesevic, Morristown, NJ (US);
Hsueh S. Tung, Morristown, NJ (US);
Haiyou Wang, Morristown, NJ (US);
Daniel C. Merkel, Morristown, NJ (US);
Robert C. Johnson, Morristown, NJ (US);
Honeywell International Inc., Morristown, NJ (US);
Abstract
The current invention relates to a process for making a tetrafluoropropene using a tetrafluorochloropropane and/or a pentafluoropropane as starting or intermediate reagents. More specifically, though not exclusively, the present invention relates to a novel method for preparing a tetrafluoropropene by dehydrohalogenating a starting or intermediate tetrafluorochloropropane and/or pentafluoropropane material in the presence of a caustic solution at a temperature range greater than 40° C. and less than or equal to 80° C.