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. 08, 2015
Filed:
Sep. 30, 2011
Gregory J. E. Davidson, London, CA;
Gilles Arsenault, London, CA;
Thomas Foellinger, Dormagen, DE;
Ralf-ingo Schenkel, Lagenfeld, DE;
Kevin Kulbaba, London, CA;
Jessica Lee Watson, London, CA;
Gregory J. E. Davidson, London, CA;
Gilles Arsenault, London, CA;
Thomas Foellinger, Dormagen, DE;
Ralf-Ingo Schenkel, Lagenfeld, DE;
Kevin Kulbaba, London, CA;
Jessica Lee Watson, London, CA;
LANXESS INTERNATIONAL S.A., Granges-Paccot, CH;
Abstract
The present invention is directed to a method for preparing isobutene from a renewable source and their use in the preparation of renewable polymers. The invention also discloses purification of isobutene, selective removal of 1-butene, cis-2-butene and trans-2-butene using microporous adsorbent material, and the oligomerization of the purified liquid isobutene yielding diisobutenes and triisobutenes.