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| DuPont and Star Refrigeration file court action for patent infringement DuPont and Star Refrigeration announced that they have filed legal action in Spain alleging patent infringement against a major refrigerant manufacturer and its distributor. Star Refrigeration owns patents in Spain covering R-422D and other non-ozone-depleting refrigerants broadly used to retrofit and service commercial refrigeration and building air conditioning equipment. DuPont is the sole licensee of Star Refrigeration for these patents, and markets R-422D as DuPont ISCEON MO29. ISCEON MO29 is part of the DuPont ISCEON family of non-ozone-depleting retrofit refrigerants. These refrigerants have become the leading choice in Europe to enable equipment owners to continue to operate equipment designed for HCFC-22 refrigerant despite the ban of virgin HCFC-22 for service in the European Union. write your comments about the article :: © 2012 Construction News :: home page |