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:
May. 01, 2018
Filed:
Feb. 12, 2015
Clariant International Ltd., Muttenz, CH;
Universiteit Utrecht Holding B.v., Utrecht, NL;
Anton Kaiser, Muehldorf am Inn, DE;
Bert Marc Weckhuysen, Houten, NL;
Dirk Leinweber, Kelkheim, DE;
Fiona Kirby, Frankfurt am Main, DE;
Franz Xaver Scherl, Burgkirchen, DE;
Hans Joachim Metz, Frankfurt am Main, DE;
Pieter Cornelis Antonius Bruijnincx, Utrecht, NL;
Clariant International Ltd., , CH;
Abstract
The invention relates to a method for preparing polyglycerol, comprising —providing a catalyst salt on a support, the catalyst salt having catalytic activity with respect to an etherification reaction of a polyol selected from the group of glycerol and oligoglycerols, —contacting the catalyst salt on the support with a fluid phase comprising a polyol selected from the group of glycerol and oligoglycerols, —and subjecting the polyol in the fluid phase to an etherification reaction in the presence of the catalyst salt, thereby forming the polyglycerol.