Patent · US Expired

Polyurethane foam

US4939184A · kind A · utility

34Cited by
3References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 7, 1989
Grant dateJul 3, 1990
Priority date
Expiry dateMar 7, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G2110/0008
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention relates to a polyurethane foam, more particularly relates to a polyurethane foam having excellent tensile strength, resistance to moist heat, resistance to heat, together with excellent waterproofness, and low impact resilience. Such a polyurethane foam is particularly useful as sealing material and the like for engineering works, construction and vehicles which require waterproofness, for example. Such a polyurethane foam is also useful as an excellent padding material for the construction of safe automobile, railroad and space vehicle interiors where high damping and good gas barrier properties are important.

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