Inventor

RAUE RODERICH

DE56 patents

⚠️ This page may combine multiple inventors who share the name “RAUE RODERICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RAUE RODERICH

BAYER AG

Process for the preparation of sulpho-free triphenyl-methane dyestuffs

New naphthalimides, toners containing these and the use of the new naphthalimides as additives for toners

Dyestuff laser

Dyestuff laser

Dyestuff laser

Dyestuff laser

Dyestuff laser

Triazolyl coumarin compounds, processes for their preparation and their use as whiteners and laser dyestuffs

Fluorescent azolyl benzocoumarin dyestuffs

Fluorescent dyestuffs, processes for their preparation and their use as laser dyestuffs

Fluorescent dyestuffs, processes for their preparation and their use as laser dyestuffs

Dyestuff laser

Electrophotographic toners with cationic charge increasing additive

Colorless salts of heteropolyacids as charge control substances in toners

Tri-phenyl methyl color-forming agents

Dry toners containing fanal pigments based on cationic dyes

Fanal pigments of closed-ring dry toners containing indamine-and diphenylmethane dyestuffs

Naphthalic acid imides electrophotographic toners

Electrophotographic toners containing an additive reinforcing the cationic charge

Process for the preparation of trimethine dyestuffs

Cationic enamine dyestuff indolylmethine derivatives

Process for preparing cationic methine dyestuffs

Pressure-sensitive recording material

Reactive dyestuffs

Cationic diazacyanine dyestuffs

Cationic diazacyanine dyestuffs

Process for the preparation of solutions of cationic polyazo dyestuffs

Fluorescent dyestuffs

Electrophotographic toners with substituted 3-amino-1-imino-isoindolenine salts

Triazolylcoumarin compounds, and their preparation and use as optical brighteners, scintillators and laser dyestuffs

Preparation of solutions of azo methine basic dyestuffs

Process for the preparation of cationic alkylarylhydrazone dyestuffs and color bases thereof

Reactive dyestuffs

Process for converting polyaminopolyaryl-methanes into diaminodiarylmethanes

Process for converting polyaminopolyaryl-methanes into diaminodiarylmethanes

Basic azo dyestuffs having indolyl-methyleneamino substituent in the diazo component

Process for the preparation of dyestuffs

Cationic triazatrimethine dyestuffs

Triaryl-methane dyestuffs

Process for the preparation of cationic methine dyestuffs

Process for the preparation of cationic dyestuffs

Process for preparing cationic hydrazone dyestuffs

Preparation of cationic methine dyestuffs

Process for the production of aromatic polyamines

Triarylmethane color formers

Dry toners containing methinefanal pigments

1H-imidazo[2,3-a]indol-2-ones as color-forming agents

3H-Indol-2-yl cationic hydrazone dyestuffs

Cationic dyestuffs

AGFA GEVAERT NV

Thermal dye sublimation transfer recording element