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:
Aug. 02, 1999
Filed:
Jul. 15, 1997
Applicant:
Inventors:
Leopoldo Salinas, III, Lake Jackson, TX (US);
Thomas Earl Morris, Lake Jackson, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
570243 ;
Abstract
A method for oxychlorinating ethylene to ethylene dichloride utilizing a two reactor oxychlorination system in which the oxygen and hydrogen chloride feeds are split between the reactors such that the volume ratio of HCl fed to the first reactor to the HCl fed to the second reactor, and the volume ratio of O.sub.2 fed to the first reactor to the O.sub.2 fed to the second reactor are both in the range of about 50:50 to about 99:1.