Abstract
According to an example aspect of the present invention, there is provided a method for producing an oxidised lignin based high performance surface active agent in techno-economically feasible manner within kraft pulp mill without interfering the main process.
Patent family as of 24.11.2022
BR112021015132 A220210928BR2021111513220200131CA3125708 AA20210705CA2020312570820200131
CL2021001914 A120220401CL2021000191420210720
CN113383123 A20210910CN20208001209820200131
EP3918130 A120211208EP2020070457320200131
FI129846 B20220930FI2019000506520190201
FI20195065 A20200802FI2019000506520190201
ID202202972 A20220614ID2021P000589720200131
JP2022519088 T220220318JP20210544675T20200131
KR20210113235 A20210915KR2021702242320200131
US2022120035 AA20220421US2021042770020200131
UY38566 A120200831UY2020003856620200131
WO20157386 A120200806WO2020FI5005720200131
Link to current patent family on right
Original language | English |
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Patent number | FI129846B |
IPC | D21C 11/ 00 A I |
Priority date | 1/02/19 |
Publication status | Published - 2 Aug 2020 |
MoE publication type | H1 Granted patent |