Inventor
ETZBACH KARL-HEINZ
DE148 patents
⚠️ This page may combine multiple inventors who share the name “ETZBACH KARL-HEINZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
48 patentsUS6136225AOct 24, 2000
Polymerizable liquid-crystalline compounds
BASF AG104 citations98
US5719288AFeb 17, 1998
Pyridone dyes
BASF AG110 citations98
US5833880ANov 10, 1998
Polymerizable liquid-crystalline compounds
BASF AG142 citations97
US5798147AAug 25, 1998
Process for coating and printing substrates
BASF AG119 citations97
US5780629AJul 14, 1998
Polymerizable, chiral compounds and their use
BASF AG114 citations97
US5518824AMay 21, 1996
Electroluminescent arrangement
BASF AG120 citations97
US5922481AJul 13, 1999
Electroluminescent arrangement
BASF AG88 citations96
US5162545ANov 10, 1992
Malonic acid dyes and polycondensation products thereof
BASF AG59 citations96
US4943617AJul 24, 1990
Liquid crystalline copolymer
BASF AG57 citations96
US4843153AJun 27, 1989
Azo dyes containing thienothiophene radicals as radicals of the diazo component
BASF AG58 citations96
US5886242AMar 23, 1999
Polymerizable, chiral compounds and their use
BASF AG53 citations95
US6335462B1Jan 1, 2002
Polymerizable oligomesogenes
BASF AG23 citations93
US5332520AJul 26, 1994
Liquid-crystalline polymers of virtually uniform molecular weight
BASF AG23 citations93
US5783649AJul 21, 1998
Polymerizable azo dyes with a thiophene structure
BASF AG26 citations92
US5738806AApr 14, 1998
Thienothienylazoanilines in nonlinear optics
BASF AG34 citations92
US5696243ADec 9, 1997
Diphenylamine compounds, polymers prepared therefrom and non-linear optics devices containing the same
BASF AG28 citations92
US5384378AJan 24, 1995
Copolymers with non-linear optical properties and the use thereof
BASF AG34 citations92
US5151516ASep 29, 1992
Polymerizable perylene-3,4,9,10-tetracarbimides
BASF AG29 citations92
US5079365AJan 7, 1992
Triazolopyridine dyes and thermal transfer of methine dyes
BASF AG39 citations92
US4880769ANov 14, 1989
Transfer of catinic dyes in their deprotonated, electrically neutral form
BASF AG33 citations92
US4702945AOct 27, 1987
Optical recording medium
BASF AG36 citations92
US4667020AMay 19, 1987
Aromatic disazo dyes and liquid-crystalline materials containing these dyes
BASF AG40 citations92
US6136251AOct 24, 2000
Process for producing pigment particles of defined shape and size
BASF AG30 citations91
US6048968AApr 11, 2000
Cationic azo dyes based on aminobenzoic acid
BASF AG30 citations91
US5306815AApr 26, 1994
Azo dyes with a coupling component of the quinoline series
BASF AG36 citations91
US4939118AJul 3, 1990
Transfer of azo dyes having a pyridine coupling component
BASF AG24 citations91
US5683833ANov 4, 1997
Use of organic materials having high nonionic charge carrier mobility
BASF AG23 citations90
US6152968ANov 28, 2000
Water-soluble Quinacridones
BASF AG27 citations89
US5785719AJul 28, 1998
Methine and Azo dye-containing dye mixtures
BASF AG18 citations84
US5804097ASep 8, 1998
Liquid-crystalline compounds
BASF AG18 citations83
US5736068AApr 7, 1998
Triphenylene compounds and preparation of discotic liquid crystalline crosslinked polymers
BASF AG19 citations83
US4865762ASep 12, 1989
Polymers which form liquid-crystalline phases
BASF AG20 citations82
US4556622ADec 3, 1985
Electrophotographic recording material whose photoconductor layer contains a halogenated perylene dye sensitizer
BASF AG20 citations82
US4533612AAug 6, 1985
Electrophotographic recording materials containing special charge carrier-transporting compounds
BASF AG22 citations82
US6143898ANov 7, 2000
Pyridone colorants
BASF AG9 citations74
US5789560AAug 4, 1998
Azo dyes with a coupling component of the aminothiazole series
BASF AG16 citations74
US5777089AJul 7, 1998
Phenol derivatives, their preparation and their use, in particular in nonlinear optics
BASF AG10 citations74
US5654122AAug 5, 1997
N-aminopyridone dyes
BASF AG9 citations74
US5616678AApr 1, 1997
Azo dyestuff- and urethane-containing polyadduct and its use in nonlinear optics
BASF AG13 citations74
US5580980ADec 3, 1996
N-aminopyridone dyes
BASF AG16 citations74
US5549853AAug 27, 1996
Linked azo dyes
BASF AG11 citations74
US5489312AFeb 6, 1996
Cyan mixtures for dye transfer
BASF AG6 citations74
US5483005AJan 9, 1996
Preparation of polymers with NLO-active side groups and the use thereof
BASF AG8 citations74
US5417882AMay 23, 1995
Liquid-crystalline compounds
BASF AG9 citations74
US5401612AMar 28, 1995
Polyesters containing nonlinear-optical chromophores, and the use thereof
BASF AG13 citations74
US5389596AFeb 14, 1995
Dye mixtures for dye transfer
BASF AG10 citations74
US5376150ADec 27, 1994
Use of pyridine dyes in the textile sector, dye mixtures with pyridine dyes, and triazolopyridine dyes having a thienyl radical
BASF AG11 citations74
US5310942AMay 10, 1994
Pyridone dyes and thermal transfer thereof
BASF AG7 citations74
BASF AKTIENGESELLSHAFT
1 patentSIEMENS AG
1 patentShowing the top 50 of 148 patents by PatentIndex Score.