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. 29, 2015
Filed:
Feb. 10, 2014
Applicants:
Saudi Basic Industries Corporation, Riyadh, SA;
Linde Ag, Munich, DE;
Inventors:
Uwe Rosenthal, Lambrechtshagen, DE;
Bernd H. Müller, Rostock, DE;
Normen Peulecke, Rostock, DE;
Marco Harff, Munich, DE;
Anina Wöhl, Munich, DE;
Andreas Meiswinkel, Munich, DE;
Heinz Bölt, Wolfratshausen, DE;
Wolfgang Müller, Munich, DE;
Abdullah Mohammad Al-Qahtani, Riyadh, SA;
Mohammed H. Al-Hazmi, Riyadh, SA;
Shahid Majeed Azam, Riyadh, SA;
Assignees:
SAUDI BASIC INDUSTRIES CORPORATION, Riyadh, SA;
LINDE AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/6587 (2006.01); C07F 9/6584 (2006.01); B01J 31/14 (2006.01); B01J 31/18 (2006.01); C07F 9/48 (2006.01);
U.S. Cl.
CPC ...
C07F 9/6587 (2013.01); B01J 31/143 (2013.01); B01J 31/189 (2013.01); C07F 9/4883 (2013.01); C07F 9/65848 (2013.01); B01J 2231/20 (2013.01); B01J 2531/62 (2013.01);
Abstract
The present invention relates to a method for purifying a crude PNPNH compound by metalation and re-protonation.