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:
Dec. 02, 2014
Filed:
Jul. 13, 2012
Applicants:
Curtis D. Modtland, Lake Jackson, TX (US);
Chet D. Davidson, Lake Jackson, TX (US);
Inventors:
Curtis D. Modtland, Lake Jackson, TX (US);
Chet D. Davidson, Lake Jackson, TX (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 7/00 (2006.01); C07F 5/06 (2006.01); C07F 3/02 (2006.01); C07F 5/00 (2006.01); B01D 3/40 (2006.01); C07B 63/00 (2006.01);
U.S. Cl.
CPC ...
C07F 5/00 (2013.01); B01D 3/40 (2013.01); C07F 3/02 (2013.01); C07F 5/063 (2013.01); C07F 5/064 (2013.01); C07F 7/003 (2013.01); C07B 63/00 (2013.01);
Abstract
A method of purifying crude organometallic compounds using a stripping column and a gas stream is provided. This method removes relatively more volatile impurities as compared to the organometallic compound.