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:
Feb. 21, 2006
Filed:
Dec. 28, 2001
Applicants:
Franz Nierlich, Marl, DE;
Lothar Kerker, Duelmen, DE;
Udo Peters, Marl, DE;
Wilfried Büschken, Haltern, DE;
Andreas Beckmann, Recklinghausen, DE;
Inventors:
Franz Nierlich, Marl, DE;
Lothar Kerker, Duelmen, DE;
Udo Peters, Marl, DE;
Wilfried Büschken, Haltern, DE;
Andreas Beckmann, Recklinghausen, DE;
Assignee:
OXENO Olefinchemie GmbH, Marl, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 2/24 (2006.01); C07C 2/02 (2006.01); C07C 61/00 (2006.01); C07C 211/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for preparing high-purity diisobutene by reaction of isobutene or isobutene-containing hydrocarbon mixtures over a solid acidic ion-exchange resin containing sulfonic acid groups whose protons have been partly replaced by metal ions and to the use of the diisobutene.