Patent · US Expired

Method of making a roofing membrane

US5569430A · kind A · utility

8Cited by
1References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 13, 1995
Grant dateOct 29, 1996
Priority date
Expiry dateMar 13, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/159
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A method of making a roofing membrane having a reinforcing fabric saturated with a bituminous material. The reinforcing fabric comprises a first fiberglass scrim layer to which is stitched a non-woven polyester mat.

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