Inventor
BROCKMANN ROLF
DE15 patents
⚠️ This page may combine multiple inventors who share the name “BROCKMANN ROLF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
11 patentsUS4988234AJan 29, 1991
Gulley closure
BAYER AG52 citations94
US6025490AFeb 15, 2000
Process for the preparation of substituted 4,4'-diaminostilbene-2,2'-disulphonic acids
BAYER AG21 citations91
US6241786B1Jun 5, 2001
Process for preparing dyes and/or brightener formulations
BAYER AG26 citations90
US3989677ANov 2, 1976
Process for the production of polyamides
BAYER AG8 citations73
US6613104B2Sep 2, 2003
Process for preparing dyes and/or brightener formulations
BAYER AG8 citations71
US6121444ASep 19, 2000
Process for preparing substituted 4,4'-diaminostilbene-2,2'-disulphonic acid salts
BAYER AG5 citations62
US5095102AMar 10, 1992
6-substituted sulphonyl-8-sulpho-2-naphthyl monoazo reactive dyestuffs
BAYER AG3 citations62
US6596864B1Jul 22, 2003
Stilbene brightener
BAYER AG6 citations61
US6248887B1Jun 19, 2001
Process for preparing bis-alkoxy-triazinyl-amino-containing stilbene disulphonic acids or their derivatives
BAYER AG4 citations60
US4637857AJan 20, 1987
Process for the removal of residual constituents
BAYER AG5 citations57
US5220057AJun 15, 1993
Formazan dyestuffs
BAYER AG0 citations51