Patent · US Expired

Resinous monocomponent composition with improved adhesive properties, particularly for the production of seals

US6521680B1 · kind B1 · utility

2Cited by
6References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 1999
Grant dateFeb 18, 2003
Priority date
Expiry dateDec 23, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G2190/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Resinous monocomponent composition with improved adhesive properties, based on a bitumen/polyurethane prepolymer mixture and adapted to constitute a sealing layer or a portion of a sealing layer, characterized in that the molecules of polyurethane prepolymer comprise at least one segment or group comprising at least 30 atoms of pure hydrogenated carbon.

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