Patent · US Expired

Polyurethane sealant and caulk systems

US4015047A · kind A · utility

1Cited by
3References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 27, 1975
Grant dateMar 29, 1977
Priority date
Expiry dateMar 27, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31663
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

This invention involves a new class of silane adhesion promoters for the bonding of polyurethane sealants to a variety of substrates. These silane adhesion promoters are mercapto substituted norbornyl containing hydrolyzable silane.

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