Oblon, Fisher, Spivak, McClelland & Maier
Optical recording medium, its preparation and its use as a read only memory information carrier
 An optical recording medium containing a storage layer and, if required, one or two substrate layers, the storage layer containing graphite as the storage material, a process for the production of the novel optical recording medium, and its use as a Read Only Memory information carrier. 
BASF Aktiengesellschaft
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Peter Gerhard Peter Wolfgang
Hauser Wagenblast Neumann Schrott