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:
Nov. 18, 1997
Filed:
Mar. 11, 1996
C Bradford Boyce, Baton Rouge, LA (US);
LaRoche Industries Inc., Atlanta, GA (US);
Abstract
A process is disclosed for preparing a compound selected from the group consisting of 1,1,3,3-tetrachloropropene and 1,3,3,3-tetrachloropropene. The process comprises a. admixing a hydrocarbon compound selected from the group consisting of propene, 1-chloropropene, 3-chloropropene, 1,1-dichloropropene, 1,3-dichloropropene, 3,3,-dichloropropene, 1,1-dichloropropane, 11,2-dichloropropane, 1,3-dichloropropane, 1,1,3-trichloropropene, 1,3,3-trichloropropene, 3,3,3-trichloropropene, and mixtures thereof with an inert diluent gas; b. preheating said mixture to from about 300.degree. C. to about 400.degree. C. and then mixing it with chlorine gas; and c. thermally treating the mixture of step b. at a temperature of from about 400.degree. C. to about 600.degree. C. The desired tetrachloropropene is then separated.