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:
Sep. 17, 2019
Filed:
Jan. 31, 2017
Applicant:
Honeywell International Inc., Morris Plains, NJ (US);
Inventors:
Haiyou Wang, Williamsville, NY (US);
Hsueh Sung Tung, Getzville, NY (US);
Rajiv R. Singh, Getzville, NY (US);
Ian Shankland, Randolph, NJ (US);
Assignee:
HONEYWELL INTERNATIONAL INC., Morris Plains, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 19/08 (2006.01); C07C 17/04 (2006.01); C07C 17/25 (2006.01); C07C 17/383 (2006.01); C07C 17/395 (2006.01); C07C 21/18 (2006.01);
U.S. Cl.
CPC ...
C07C 19/08 (2013.01); C07C 17/04 (2013.01); C07C 17/25 (2013.01); C07C 17/383 (2013.01); C07C 17/395 (2013.01); C07C 21/18 (2013.01);
Abstract
The present invention discloses a manufacturing process to produce high purity 1234yf from 245eb, which preferably includes the removal of impurities present in 245eb raw material, the dehydrofluorination of 245eb, and the removal of impurities present in final crude product. The disclosed manufacturing process allows the production of a 1234yf product with lower the levels of 1225ye and/or trifluoropropene, preferably in amounts of less than about 500, and 50 ppm, respectively.