Patent · US Expired

Phosphorous-containing polyether polyols

US4450280A · kind A · utility

2Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 4, 1982
Grant dateMay 22, 1984
Priority date—
Expiry dateMar 4, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G65/2639
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Phosphorus-containing polyether polyols are prepared by reacting phosphorus-containing acids with tertiary alkyl glycidyl ether and subsequently dealkylating the tertiary alkyl functionality.

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