Patent · US Expired

Fire-resistant opening seal

US6544445B1 · kind B1 · utility

54Cited by

16References

23Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

Robert Graf · Babenhausen, DE
Maria-Elisabeth Kaiser · Ulm, DE

Key dates

Filing date	Aug 6, 1999
Grant date	Apr 8, 2003
Priority date	—
Expiry date	Aug 6, 2019

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/699
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

A fire-resistant composite substrate for use in making structural openings fire-resistant, the substrate containing: (a) elastically compressible particles; (b) at least one heat-activated expanding agent; (c) at least one heat-activated binder; and (d) a diisocyanate adhesive.

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