| PATENT ASSIGNEE'S COUNTRY | Canada |
| UPDATE | 07.99 |
| PATENT ASSIGNEE | University of Ottawa |
| PATENT CLAIMS |
Process for increasing the photostability of paper made from lignin-rich pulp which comprises - Treating the pulp in an acidic environment with a diol that is capable of forming a ketal with a CO group Wherein the diol is converted into ketal |
| PATENT PHOTOCOPY | Available on request |
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