Patent · US Active

Process for making multilayer coated paper or paperboard

US7909962B2 · kind B2 · utility

1Cited by
63References
91Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 4, 2008
Grant dateMar 22, 2011
Priority date
Expiry dateOct 23, 2028

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31993
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

The present invention refers in one embodiment to a method of manufacturing multilayer coated papers and paperboards, but excluding photographic papers and pressure sensitive copying papers, that are especially suitable for printing, packaging and labeling purposes, in which at least two curtain layers selected from aqueous emulsions or suspensions are formed into a composite, free-falling curtain and a continuous web of basepaper or baseboard is coated with the composite curtain, and paper or paperboard thereby obtainable.

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