Pharsight

INNOSPEC patents facing oppositions

Top patents of INNOSPEC facing oppositions at the European Patent Office (EPO).

Patent Number Grant Date Patent Title Expected Expiration Date Facing Oppositions Activity Alert
EP3775112B1 08 Jun, 2022 Composition, method and use NA 3
EP3447111B1 27 Jul, 2022 Fuel composition comprising detergent and quaternary ammonium salt additive NA 2
EP2545145B1 26 Jul, 2017 Fuel composition comprising detergent and quaternary ammonium salt additive NA 2
EP3024914B1 Fuel compositions NA 1
EP2171021B1 01 Apr, 2020 Improvements in or relating to hydrocarbon compositions NA 1
EP3174847B1 13 Nov, 2019 Quaternary ammonium compounds and their use as fuel or lubricant additives NA 1
EP2966151B2 19 Sep, 2018 Fuel composition comprising detergent and quaternary ammonium salt additive NA 1
EP2768474B1 26 Apr, 2017 Mild cosmetic cleansing composition NA 1
EP1969106B2 15 Mar, 2017 Liquid nonionic surfactants for emulsion polymerization and other applications NA 1