Inventor
KEITMANN MICHAEL
DE10 patents
⚠️ This page may combine multiple inventors who share the name “KEITMANN MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS AG
6 patentsUS6153350ANov 28, 2000
Polybenzoxazole and polybenzothiazole precursors
SIEMENS AG23 citations92
US6120970ASep 19, 2000
Polybenzoxazole and polybenzothiazole precursors
SIEMENS AG15 citations73
US6310238B1Oct 30, 2001
O-amino(thio)phenolcarboxylic acids, and their preparation
SIEMENS AG3 citations62
US6150558ANov 21, 2000
Bis-o-amino(thio)phenols, and their preparation
SIEMENS AG5 citations62
US6096921AAug 1, 2000
O-amino(thio)phenolcarboxylic acids, and their preparation
SIEMENS AG0 citations51
US5998662ADec 7, 1999
O-amino (thio) phenolcarboxylic acids and their preparation
SIEMENS AG0 citations51
INFINEON TECHNOLOGIES AG
3 patentsUS6437178B2Aug 20, 2002
O-aminophenolcarboxylic acid and o-aminothiophenolcarboxylic acid
INFINEON TECHNOLOGIES AG5 citations73
US6320081B1Nov 20, 2001
O-Nitro(thio)phenol derivatives, and their preparation
INFINEON TECHNOLOGIES AG2 citations62
US6156902ADec 5, 2000
Bis-o-amino (thio) phenols, and their preparation
INFINEON TECHNOLOGIES AG1 citations51