Patent · US Expired

Asphalt adhesives

US4824880A · kind A · utility

88Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 14, 1987
Grant dateApr 25, 1989
Priority date
Expiry dateMay 14, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/19
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An adhesive is provided for adhering roofing shingles wherein the adhesive is a blend of asphalt, an elastomer, a tackifying resin and a petroleum oil.

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