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Poly ether preparation

  • US 5,731,476 A
  • Filed: 12/01/1995
  • Issued: 03/24/1998
  • Est. Priority Date: 01/13/1995
  • Status: Expired due to Fees
First Claim
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1. In a process for the preparation of a polyether by reaction of a polyhydric compound having at least 3 hydroxyl groups per molecule with a C5 -C10 tertiary olefin or a C4 -C10 tertiary alkanol or ether, or by reaction of isobutylene with a polyhydric compound having more than 3 hydroxyl groups per molecule in the presence of an acid catalyst the improvement which comprises carrying out the reaction in the liquid phase while maintaining separate phases comprised of a polar polyhydric compound phase and a hydrocarbon phase.

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