Patent · US Expired

Highly-opaque layered sheet and the production method thereof

US7364790B2 · kind B2 · utility

1Cited by
2References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 21, 2003
Grant dateApr 29, 2008
Priority date
Expiry dateMay 25, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31993
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

This invention relates to an ultra opaque coated sheet, characterized by the fact that it comprises a colored support made from a single ply of material, the said support being coated on at least one of its faces with one or more white pigmented coats.This invention also relates to the manufacturing process of this ultra opaque coated sheet.

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