Patent · US Expired

Polyurethanes from hydroxymethyl polyols and polyisocyanates

US4423162A · kind A · utility

20Cited by
5References
56Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 7, 1982
Grant dateDec 27, 1983
Priority date—
Expiry dateSep 7, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G18/4891
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Polyurethanes prepared from the reaction of hydroxymethyl polyols and polyisocyanates are disclosed.

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