Inventor

MACHOLDT HANS-TOBIAS

DE52 patents

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

MACHOLDT HANS-TOBIAS

HOECHST AG

Process for enhancing the electrostatic chargeability of powder coatings or powders, and the use thereof for surface-coating solid objects

Electret fibers having improved charge stability, process for the production thereof and textile material containing these electret fibers.

Polyester salts and their use as charge control agents

Use of inclusion compounds of cyclic polysaccharides as charge control agents

Use of cyclic oligosaccharides as charge control agents

Diallylammonium compounds, processes for their preparation and their use

Aryl and aralkyl sulfide, sulfoxide or sulfone compounds as charge regulators

Use of colorless highly fluorine-substituted phosphonium compounds as charge control agents for electrophotographic recording processes

Quinacridones having selectively adjusted triboelectric effects

Process for enhancing the electrostatic chargeability of powder coatings or powders, and the use thereof for surface-coating solid objects

Magenta colorant for electrophotographic recording processes

Polymer ammonium borates and processes for their preparation

Biscationic acid amide and acid imide derivatives as charge controllers

Use of colorless, intensely fluorinated ammonium and iminium compounds as charge control agents for electrophotographic recording processes

Diallylammonium compounds, processes for their preparation and their use

Process for enhancing the electrostatic chargeability of powder coatings of powders, and the use thereof for surface-coating solid objects

Blue coloring agent for electro-photographic copying processes with positive control action

Process for isolating tetraphenylborates

Polymeric ammonium compounds as charge control agents

Specifically influencing the triboelectric effect of azo pigments

Charge control with cyclic polysulfonyldially ammonium salts

Biscationic acid amide and imide derivatives and processes for their preparation

Phosphonium compounds and processes for their preparation

Ammonium and iminium compounds

Process for isolating tetraphenylborates

Pigment for electrophotographic recording processes

CLARIANT GMBH

Use of pigment yellow 155 in electrophotographic toners and developers, powder coatings and inkjet inks

Use of improved cyan pigments in inkjet inks

Cyan pigments in electrophotographic toners and developers

Use of mixed-crystal pigments of the quinacridone series in electrophotographic toners and developers, powder coatings and inkjet inks

Pigment for electrophotographic toners and developers

Cyclooligosaccharide-boron complex

Use of inter-polyelectrolyte complexes as charge control agents

Pigment for electrophotographic toners and developers

Water-based colorant preparations

Use of metal carboxylates and sulfonates as charge control agents

Electrophotographic, resin-containing, electret, or inkjet compositions containing magenta azo pigment and use thereof

Use of aluminum azo complex dyes as charge control agents

CLARIANT PRODUKTE DEUTSCHLAND

Use of salt-like structured silicas as charge control agents

Pigments dispersions based on water and acrylate

Use of salts of layered double hydroxides as charge control agents

Pigment compositions consisting of a yellow disazo pigment and an organic pigment

Pigment preparations based on phthalocyanine pigments

Use of salts of layered double hydoxides

Blue dye with particularly high purity and positive triboelectric control effect

CLARIANT FINANCE BVI LTD

Preparation of azo colorants in microreactors and their use in electrophotographic toners and developers, powder coatings, ink jet inks and electronic medias

Process for preparing purified dyestuffs

Preparation of azo colorants in microreactors and their use in electrophotographic toners and developers, powder coatings, ink jet inks and electronic medias

HOECHST CELANESE CORP

Polymer electrets with improved charge stability

CASSELLA FARBWERKE MAINKUR AG

Aryl sulphide, aryl sulphoxide and aryl sulphone compounds