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:
Oct. 21, 2008
Filed:
Jul. 11, 2003
Applicants:
Rainer Malzkorn, Dorsten, DE;
Franz Nierlich, Marl, DE;
Udo Peters, Marl, DE;
Axel Tuchlenski, Weinheim, DE;
Inventors:
Rainer Malzkorn, Dorsten, DE;
Franz Nierlich, Marl, DE;
Udo Peters, Marl, DE;
Axel Tuchlenski, Weinheim, DE;
Assignee:
OXENO Olefinchemie GmbH, Marl, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 1/00 (2006.01); C07C 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for preparing high-purity isobutene from industrial methyl tert-butyl ether (MTBE) and the economical utilization of the secondary streams.