Patent · US Expired

Moisture curable polyurethane compositions

US6303731A · kind A · utility

37Cited by
11References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 20, 2000
Grant dateOct 16, 2001
Priority date
Expiry dateJan 20, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31551
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A moisture curable composition that includes a polyurethane prepolymer comprising the reaction product of a) a polyol having an unsaturation of less than 0.02 meq/g; and b) a polyfunctional isocyanate, where the composition forms a pressure sensitive adhesive when cured, is disclosed.

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