The present invention relates to a print medium with improved resistance to airfade. The print medium is coated with a high molecular weight additive having low volatility. The high molecular weight additive is a monomeric or oligomeric compound that has a molecular weight of greater than approximately...http://www.google.com.au/patents/US6869648?utm_source=gb-gplus-sharePatent US6869648 - Use of monomeric and oligomeric additives to stabilize dyes on porous ink jet media