Patent · US Expired

Photocatalytic sheet or film and its manufacturing process

US6890645B2 · kind B2 · utility

69Cited by
4References
38Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 19, 2001
Grant dateMay 10, 2005
Priority date
Expiry dateJun 19, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/3188
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The invention is directed to a photocatalytic sheet comprising a support, a photocalalytic layer comprising photocatalyst materials and binder, and at least one functional layer wherein said functional layer is in between said support and said photocatalytic layer, wherein said photocatalytic layer and said functional layer are brought on the support using extrusion coating technology or casting technology, as well as to a photocatalytic film sheet comprising: a photocatalytic layer comprising photocatalyst materials and binder, and at least one functional layer, wherein said film is formed by applying casting technology.

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