Honeywell Can't Patent Fluorinated Olefin Compound

By Hanna Vioque ( December 10, 2025, 5:40 PM GMT) -- European officials have revoked Honeywell's patent for making special compounds used in pharmaceuticals, agrochemicals and electronics, ruling that chemists at the time would have found the U.S. industrial company's method for making fluorinated olefins obvious. ...

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