Oblon, Spivak, McClelland, Maier & Neustadt
Naphtholactam dyes and optical recording medium containing these dyes
 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
Y Y G G Y Y Y C G Y G G
Y10T Y10S G11B G11B Y10T Y10T Y10T C09B G11B Y10S G11B G11B
additional additional inventional additional additional additional additional inventional inventional additional inventional additional
Heidi Helmut Klaus-Dieter Ernst Peter Matthias Eberhard Harald
Benthack-Thoms Barzynski Schomann Schefczik Neumann Dust Koester Kupplemaier