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HOYU CO LTD PATENTS FACING OPPOSITIONS
Top patents of HOYU CO LTD facing oppositions at the European Patent Office (EPO)
Activity Alert
Patent Number
Grant Date
Patent Title
Expected Expiration Date
Facing Oppositions
Activity Alert
EP3272397B1
28 Aug, 2019
Agent For Oxidative Hair Dye And Method For Stabilizing Color Tone Of Oxidative Hair Dye Composition
Jul, 2037
2
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