WILMINGTON, DE — They haven’t been on the market very long; that’s part of the problem with generically labeled (no brand name) 400 blend refrigerants that have begun appearing in the U.S. air conditioning and refrigeration markets.
Some wholesalers may be offering them to contractor customers as less-expensive alternatives to 400 blends with brand names from DuPont, Honeywell, and INEOS (formerly ICI Klea). However, these contractors and wholesalers could pay a steep price in legal fees if they are found guilty of what amounts to violating U.S. patent laws, according to Jay Kestenbaum, president of Refron Inc., Long Island City, NY.