Ciba-geigy Corporation

Ciba Specialty Chemicals Corporation

Huntsman Advanced Materials Americas LLC

Michael Reisinger

Rolf Wiesendanger

Markus Thuer

Gerhard Stucki

Werner Surber

Bilge Gulec

Klaus Ruf

Epoxy acrylates of the formulae (A), (B) and epoxy acrylate mixtures comprising at least one of the compounds (A) or (B) are novel and find use in coating materials or adhesives featuring high UV stability 

Uv-curable epoxy acrylates

A process for purifying water, which comprises passing water contaminated with organic compounds in countercurrent through a moving bed adsorber packed with an adsorbent medium that is colonized, especially in the lower zone, with one or more microorganisms.

Water purification process

The present invention relates to the preparation of bisazo pigments by reaction (a) of 2 mol of an azocarbonyl chloride of the formula ##STR1## with 1 mol of a diamine of the formula ##STR2## by reaction (b) of one mole of a bis(azocarbonyl chloride) of the formula ##STR3## with 2 mol of an amine of the formula ##STR4## which comprises carrying out the reactions (a) or (b) in the presence of 1,2,3-trimethylbenzene or anisole as the solvent.

Process for the preparation of bisazo pigments in halogen-free solvents

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Himmelried, Switzerland

Michael Reisinger