INHIBITION OF YELLOWING IN PAPERS - (TI SYSTEM)
If you would like to know more about this technology, please contact one of the following Paprican staff members:
Countries |
Status |
Issued |
Issue # |
SE |
Issued |
5/24/2005 |
0203040 1 |
| PATENT ABSTRACT [Paprican Ref. No. 4159] |
The present invention relates to light stable lignin-containing papers and to methods of rendering lignin-containing papers light stable; more especially the invention provides a method that can be used in paper mills to produce light stable lignin-containing papers by the application of titanium dioxide and a radical scavenger, which can be added to the base paper sheet or as a component of pigment coating formulations employed to coat the paper. |
Available Electronic Files(s) in the language of patent filed:
