Patent · US Expired

Polyurethane reactive composition

US6965008B2 · kind B2 · utility

9Cited by
4References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 22, 2003
Grant dateNov 15, 2005
Priority date
Expiry dateDec 22, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G2170/20
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention relates to a polyurethane reactive composition comprising an isocyanate, an isocyanate reactive polymeric compound and a catalyst for the reaction of the isocyanate with the isocyanate reactive compound. The isocyanate reactive compound is a diol or a higher functional polyol of a polyester, of a polyester polyurethane, of a polycarbonate or of a mixture thereof, the polyester being derived from a hydroxy carboxylic acid or from its corresponding lactone, and the catalyst is a sterically hindered bismuth compound.

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