A scrapbook, in which multiple fragrances associated with memorable events can be stored for extended periods of time, includes scented pages enclosed in perforated see-through protector sleeves, diffusion barrier sheets bound between adjacent pages having dissimilar fragrances, a diffusion barrier sheet...http://www.google.ca/patents/US7658415?utm_source=gb-gplus-sharePatent US7658415 - Scrapbook having scented pages
