TOPFRAX

[ Chemicals used in industry; ] chemical catalytic agents; chemical filtering compositions and filtering materials for use in catalytic hot gas filtration in industry for the conversion and removal of contaminants in off-gasses; catalyzed ceramic materials for use as filtering preparations for use in catalytic hot gas filtration in industry for the conversion and removal of contaminants in off-gasses

Filters being parts of machines, namely, candle filters for use in hot gas filtration installations and machinery

[ Air filtering apparatus and installations and air purifying machines, all for industrial installations; ] air cleaning filters for use in air cleaning machines or installations for air conditioning; filters for gases for industrial gas conditioning installations

Synthetic filtering materials, namely, semi-processed plastics in the nature of filtering materials for use in hot gas filtration; glass fibre filtration media sold in rolls

Scientific and technological services, namely, analysis and testing in the field of catalysts and optimization of catalytic performance and research and design relating thereto; engineering; industrial analysis and research services relating to environmental protection; development and design of catalysts for use in environmental protection; testing of filtering materials