Azo polymers for reversible optical storage
Birefringent azo dye polymer erasable optical storage medium
Bistable, thermochromic recording method for rendering color and
Bleachable materials for lithography
Dual-layer protected transient document
Erasable information recording process using co-crystalline dye
Erasable intermediate diazo-type paper
Erasable optical information storage system
Erasable optical recording media
Erasable phase change optical recording elements and methods
Erasable phase change optical recording elements and methods
Heat erasable photographic element and process comprising silver
Image erasing method
Image formation method using reversible thermosensitive recordin
Image formation method using reversible thermosensitive recordin
Image forming material, method and device for removing...
Inkless reimageable printing paper and method
Inkless reimageable printing paper and method
Inkless reimageable printing paper and method
Inkless reimageable printing paper and method