Patent · US Expired

Weather-resistant adhesive film

US4115617A · kind A · utility

18Cited by
16References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 24, 1976
Grant dateSep 19, 1978
Priority date
Expiry dateMar 24, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31786
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An adhesive film having weatherability comprising (I) a polyethylene terephthalate film base being oriented in at least one direction and having a refractive index, in the orientation direction, of 1.57 to 1.78, a refractive index, in the thickness direction, of 1.48 1.57, a density of 1.340 to 1.390 g/cm.sup.3, and a thickness of 5 to 250 microns, and (II) an adhesive layer coated on at least one surface of said film base (I) either directly or through (III) a layer of a thin metallic film or an adhesive film comprising (I), (II) coated on one surface of (I), and (III) coated on the other surface of (I).

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