Patent · US Expired

Sealant compositions and sealed double glazing units

US4716070A · kind A · utility

4Cited by
1References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 1986
Grant dateDec 29, 1987
Priority date
Expiry dateMar 28, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31605
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A polyurethane sealant, particularly suitable for forming the seal around a double glazing unit, is formed by reacting an isocyanate component with a reactive component that is an isoprene polymer having terminal functional groups.

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