semi-finished goods made of plastics for the manufacture of plastic articles used in process engineering, namely, for distillation, absorption, desorption, extraction, and heat transfer

Scientific and technological services, namely, laboratory, bench-scale, pilot plant and commercial scale process design, analysis, and testing, in the field of chemical syntheses, process engineering, namely, for distillation, absorption, desorption, extraction and heat transfer; industrial research and analysis services in the field of chemical syntheses, and chemical process engineering, as they relate to distillation, absorption, desorption, extraction and heat transfer; process developmen...

Plastic hardware for use as column packing in distillation, absorption, stripping and quench columns, namely, structured column packing hardware in the nature of corrugated sheets primarily of plastic and also containing wire gauze, column packing hardware in the nature of plastic saddles, rings, random shapes, and preformed shapes, plastic liquid distributors, plastic liquid feed pipes, plastic support rings, plastic bed limiters, plastic hold-down plates, plastic support plates, plastic liq...

Separators for the cleaning, purification and separation of liquids and gases; filters and filtering devices for use in heat and energy exchange columns and towers for cleaning, purification and separation of liquids and gases; cylindrical chamber and screen for use in heat and energy exchange columns and towers for filtering liquids and gases and removing settleable solids from liquids; all of the foregoing primarily of plastic and for use in the field of manufacturing of plastic articles us...

Hardware materials made of metal, namely, structured packing in the nature of corrugated sheets and wire gauze, tower packing in the nature of saddles, rings, random shapes, and preformed shapes, grid type packing, liquid distributors, liquid feed pipes, support rings, bed limiters, hold-down plates, packagings, support plates, liquid collectors, vapor distributors and vapor redistributors, all for use in distillation, absorption, stripping and quench columns

Hardware materials made of metal, namely, structured packing in the nature of corrugated sheets and wire gauze, tower packing in the nature of saddles, rings, random shapes, and preformed shapes, grid type packing, liquid distributors, liquid feed pipes, support rings, bed limiters, hold-down plates, packagings, support plates, liquid collectors, vapor distributors and vapor redistributors, all for use in distillation, absorption, stripping and quench columns

Chemical products for industrial and scientific purposes, namely, chemicals for use in synthesis, for analysis, quality control, sample preparation, sample digestion and extraction; chemicals for the use in chemical industry, synthetic refinery, in water purification, in biochemical and pharmaceutical industry; synthetic resin in the unprocessed state, plastics in the unprocessed state for the production of packing elements for distillation, absorption, desorption, extraction and heat transfer

Built-in components for chemical engineering for use in material and heat exchange columns and towers, namely, liquid distributing elements for liquid flow regulating in the nature of hydraulic compensators, and separators for the cleaning and purification of liquids and gases and for systematic chemical exchange of material; built-in components for chemical engineering for use in material and heat exchange columns and towers, namely, gas distributing elements for gas flow regulating in the n...

Apparatus for exchanging heat and energy, namely, packing elements made of metal, plastic, or ceramics for chemical engineering, especially for material and/or heat exchange columns and towers; apparatus for exchanging heat and energy, namely, built-in components of material and/or heat exchange columns and towers made of metal, plastic, or ceramics for chemical engineering, especially for material and/or heat exchange columns and towers; apparatus for exchanging heat and energy, namely, part...

Filling and packing elements made of metal, plastics, glass, ceramics or of a composite of at least two of the aforementioned materials for process engineering, namely for mass and/or heat exchange columns and mass and/or heat exchange towers; mass and/or heat exchange columns and mass and/or heat exchange towers; and parts for the aforementioned goods