Oblon, Spivak, McClelland, Maier & Neustadt
Naphtholactam dyes and optical recording medium containing these days
 Naphtholactam dyes of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, n, p, Z.sup.1, Z.sup.2 and the rings A, B, C and D each have the meanings stated in the description, and an optical recording medium which contains one or more naphtholactam dyes and may contain a base. 
BASF Aktiengesellschaft
C G G Y Y G G G Y Y Y Y
C09B G11B G11B Y10T Y10T G11B G11B G11B Y10T Y10T Y10S Y10S
inventional inventional additional additional additional inventional inventional additional additional additional additional additional
Peter Harald Helmut Heidi Klaus-Dieter Matthias Eberhard Ernst
Neumann Kuppelmaier Barzynski Benthack-Thoms Schomann Dust Koester Schefczik