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. 10, 2015
Filed:
Dec. 07, 2011
Applicants:
Mahesh Ratnakar Sawant, Pune, IN (US);
Edward D. Daugs, Midland, MI (US);
Mark R. Smit, Midland, MI (US);
Inventors:
Mahesh Ratnakar Sawant, Pune, IN (US);
Edward D. Daugs, Midland, MI (US);
Mark R. Smit, Midland, MI (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/80 (2006.01); C07C 29/86 (2006.01); C07C 29/74 (2006.01); C07C 29/78 (2006.01); B01D 3/36 (2006.01); C07C 29/82 (2006.01);
U.S. Cl.
CPC ...
B01D 3/36 (2013.01); C07C 29/74 (2013.01); C07C 29/80 (2013.01); C07C 29/82 (2013.01); C07C 29/86 (2013.01); C07C 29/78 (2013.01);
Abstract
Disclosed are a process and an apparatus for using an olefin as an azeotropic entrainer to isolate a target organic compound from a waste stream. The olefin may be, for example, 1-decene, 1-dodecene, or 1-tetradecene. The target organic compound may be 1,3-dichloro-2-propanol in waste stream comprising a 2,2'-oxybis(1-chloropropane).