Patent · US Active

Process for the preparation of polyalkylene ether glycol

US8247526B2 · kind B2 · utility

0Cited by
33References
13Claims
0Family size

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Inventors

Key dates

Filing dateDec 20, 2010
Grant dateAug 21, 2012
Priority date—
Expiry dateDec 20, 2030

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G65/34
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Polyalkylene ether glycol or copolymer thereof are prepared by contacting at least one alkanediol with a alkanediol containing cyclic sulfate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.