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.

Date of Patent:
Jan. 09, 2007

Filed:

Aug. 06, 2003
Applicants:

Andreas Beckmann, Recklinghausen, DE;

Franz Nierlich, Marl, DE;

Udo Peters, Marl, DE;

Wilfried Büschken, Haltern am See, DE;

Lothar Kerker, Dülmen, DE;

Dietrich Maschmeyer, Recklinghausen, DE;

Dirk Röttger, Recklinghausen, DE;

Inventors:

Andreas Beckmann, Recklinghausen, DE;

Franz Nierlich, Marl, DE;

Udo Peters, Marl, DE;

Wilfried Büschken, Haltern am See, DE;

Lothar Kerker, Dülmen, DE;

Dietrich Maschmeyer, Recklinghausen, DE;

Dirk Röttger, Recklinghausen, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 2/02 (2006.01); C07C 2/04 (2006.01); C07C 2/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

Isobutene in isobutenic hydrocarbon mixtures is oligomerized over a solid acidic ion exchange resin, said acidic ion exchange resin containing, for example, sulfonic acid groups, some of whose protons have been exchanged for metal ions.


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