Inventor
SCHOMANN KLAUS DIETER
DE6 patents
Patents
6 patentsUS4939012AJul 3, 1990
Naphtholactam dyes and optical recording medium containing these dyes
BASF AG35 citations90
US4806664AFeb 21, 1989
Novel tetraphenyldithiolene complexes, asymmetrically substituted benzoins, and optical recording materials containing the novel complexes
BASF AG12 citations73
US4876356AOct 24, 1989
Naphtholactam dyes and optical recording medium containing these days
BASF AG9 citations72
US4625252ANov 25, 1986
Guide system and magnetic tape cassette comprising such a system
BASF AG12 citations72
US5728867AMar 17, 1998
Carbonyloxy-substituted azulenesquaric acid dyes, intermediates therefor and optical recording medium
BASF AG2 citations62
US5002863AMar 26, 1991
Naphtholactamtrimethine dyes and optical recording medium containing same
BASF AG1 citations51