Patent · US Expired

Protective glazing laminate

US6726979B2 · kind B2 · utility

32Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 26, 2002
Grant dateApr 27, 2004
Priority date
Expiry dateMay 3, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31551
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Disclosed is a fire-protection and safety glazing laminate having a haze value less than 4 percent comprising (A) a plurality of high modulus layers laminated with (B) at least one fluoropolymer resin layer wherein (B) resides between (A). The high modulus layers comprise glass, polycarbonate or polyurethane. The fluoropolymer resin layer has a matte finish surface, an embossed finish surface or a combination thereof and is exposed to a corona treatment in an organic gas atmosphere. The high modulus layers are adhered to the fluoropolymer resin layer through a pressure and heat lamination.

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