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SHIN ETSU CHEMICAL CO LTD patents facing oppositions

Top patents of SHIN ETSU CHEMICAL CO LTD facing oppositions at the European Patent Office (EPO).

Patent Number Grant Date Patent Title Expected Expiration Date Facing Oppositions Activity Alert
EP3308774B1 09 Mar, 2022 Hydroxyalkyl alkyl cellulose, method for producing the same, and solid preparation Oct, 2037 1
EP3309179B1 23 Feb, 2022 Hydroxyalkyl alkyl cellulose, method for producing the same, and solid preparation Oct, 2037 1
EP3701795B1 01 Sep, 2021 Microcapsule and method for producing the same Feb, 2040 1
EP3216463B1 23 Dec, 2020 Solid preparation containing alkyl cellulose and method for producing the same Feb, 2037 1