Patent · US Expired

Coated roofing membrane

US4827686A · kind A · utility

37Cited by
7References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 8, 1987
Grant dateMay 9, 1989
Priority date
Expiry dateSep 8, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31931
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An uncured or cured rubbery roofing membrane of EPDM or polychloprene rubber has a cured, flexible epoxy resin coating which is flexible and adherent to the roofing membrane. The coating, also, may be pigmented.

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