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:
Apr. 26, 2011
Filed:
Sep. 15, 2006
Applicants:
Armin Rix, Marl, DE;
Udo Peters, Marl, DE;
Jochen Praefke, Marl, DE;
Dirk Röttger, Recklinghausen, DE;
Franz Nierlich, Marl, DE;
Inventors:
Armin Rix, Marl, DE;
Udo Peters, Marl, DE;
Jochen Praefke, Marl, DE;
Dirk Röttger, Recklinghausen, DE;
Franz Nierlich, Marl, DE;
Assignee:
Evonik Oxeno GmbH, Marl, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 5/25 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for preparing 1-butene from technical mixtures which comprise at least 1-butene, isobutene, n-butane and 2-butenes by partial conversion of the isobutene present, distillative removal of a fraction comprising 1-butene and isobutene, and conversion of the isobutene present therein to tert-butyl ethers.