Patent · US Active

Film having a photocatalytic active surface

US8652646B2 · kind B2 · utility

7Cited by
2References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 14, 2008
Grant dateFeb 18, 2014
Priority date
Expiry dateMar 22, 2030

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31989
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

The instant invention relates to a weatherproof film comprising a substrate layer, a barrier layer and a surface layer based on polymethacrylate, wherein, according to the invention, the surface layer contains 0.1 to 15 weight % of a photocatalyst, based on the total weight of the layer, as well as to the use thereof as laminate film, tarp or the like.

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