P

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 patents
US6136225AOct 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 patent

SIEMENS AG

1 patent

Showing the top 50 of 148 patents by PatentIndex Score.