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:
Sep. 17, 2013
Filed:
Sep. 15, 2005
Applicants:
Rolf Henn, Oftersheim, DE;
Ulrich Müller, Neustadt, DE;
Ferdinand Straub, Hockenheim, DE;
Jürgen Dosch, Ludwigshafen, DE;
Inventors:
Rolf Henn, Oftersheim, DE;
Ulrich Müller, Neustadt, DE;
Ferdinand Straub, Hockenheim, DE;
Jürgen Dosch, Ludwigshafen, DE;
Assignee:
Styrolution GmbH, , DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 7/13 (2006.01); C07C 2/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
Processes suitable for purifying aromatic-containing feed streams, and processes using such purified streams are described, wherein the purification processes comprise: (a) providing a process feedstream comprising an aromatic component; and (b) bringing the process feedstream into contact with a first zeolite and a second zeolite; wherein the first zeolite has a mean pore size of 0.3 to 0.5 nm, and wherein the second zeolite has a mean pore size of 0.6 to 0.8 nm.