76156809
Oct 31, 2000
Aug 19, 2003
HOLOGRAPHIC RECORDING MATERIAL, NAMELY, GLASS OR PLASTIC SUBSTRATES CONTAINING PHOTOPOLYMER SYSTEMS COMPRISED OF A MIXTURE OF CHEMICALS, OF A CLASS CAPABLE OF UNDERGOING CATIONIC RING-OPENING POLYMERIZATION, FOR USE IN THE FIELD OF HOLOGRAPHIC DATA STORAGE
Electrical and Scientific Apparatus