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:
Jul. 29, 2014
Filed:
Nov. 24, 2010
Applicants:
Masatoshi Nose, Settsu, JP;
Atsushi Suzuki, Settsu, JP;
Inventors:
Masatoshi Nose, Settsu, JP;
Atsushi Suzuki, Settsu, JP;
Assignee:
Daikin Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 17/25 (2006.01);
U.S. Cl.
CPC ...
C07C 17/25 (2013.01);
Abstract
The present invention provides a process for preparing 1,1,2,3-tetrachloropropene, including heating 1,1,1,2,3-pentachloropropane in a gas phase in the absence of a catalyst to carry out a dehydrochlorination reaction. According to the process of the present invention, 1,1,2,3-tetrachloropropene (HCC-1230xa) can be efficiently produced by a simple and economically advantageous method that is suitable for industrial-scale production.