Assistants for the preparation of pigment pastes and high-concen

Azine pigments, processes for their preparation, and their use

Azoic pigments having a silica core

Binding of refractory materials

Black coloring agent

Black pigment free of heavy metals

Borax dispersion milling of quinacridones

Building material additive

Calcination of ferrite tans

Calcining effect of synthetic iron oxide

Calcium carbonate containing kaolin clay additive

Calcium carbonate dispersions

Carbon black

Carbon black and process for preparing same

Carbon black compositions and black-pigmented compositions conta

Carbon black pigments and rubber compositions containing the sam

Carbon black preparation for use in mineral binder

Cement accelerating agent

Cement additive containing superplasticizer and bentonite

Cement dispersing agent