IP Verse

Method For Activating And Precipitating Lignin - EP3313915

The patent EP3313915 was granted to Teknologian Tutkimuskeskus VTT on Nov 30, 2022. The application was originally filed on Jun 23, 2016 under application number EP16813793A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP3313915

TEKNOLOGIAN TUTKIMUSKESKUS VTT
Application Number
EP16813793A
Filing Date
Jun 23, 2016
Status
Opposition Rejected
Aug 15, 2025
Grant Date
Nov 30, 2022
External Links
Slate, Register, Google Patents

Patent Summary

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Patent Family

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SUNCOAL INDUSTRIESAug 30, 2023STEFFAN & KIEHNE PATENTANWALTE PARTG MBBADMISSIBLE

Patent Citations (20) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
DESCRIPTIONCA2920702
DESCRIPTIONEP1794363
DESCRIPTIONWO2012091906
DESCRIPTIONWO2015018944
INTERNATIONAL-SEARCH-REPORTCA2920702
INTERNATIONAL-SEARCH-REPORTWO2012005677
INTERNATIONAL-SEARCH-REPORTWO2014096544
INTERNATIONAL-SEARCH-REPORTWO2015025076
INTERNATIONAL-SEARCH-REPORTWO2015044528
OPPOSITIONEP3059287
OPPOSITIONFI20155505
OPPOSITIONJPWO2015056757
OPPOSITIONWO2012005677
OPPOSITIONWO2014096544
OPPOSITIONWO2015018944
OPPOSITIONWO2015025076
OPPOSITIONWO2016020383
OPPOSITIONWO2016207493
OPPOSITIONWO2017085278
SEARCHWO2015018944

Non-Patent Literature (NPL) Citations (2) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- Namane M, Sithole B Bruce, Ramjugernath D, "Centrifugal washing and recovery as an improved method for obtaining lignin precipitated from South African kraft mill black liquor", Journal of Scientific & Industrial Research, (20151001), vol. 74, pages 571 - 576, XP093183266-
OPPOSITION- Gilarranz M. A., Rodriguez F., Oliet M., Revenga J. A., "Acid Precipitation and Purification of Wheat Straw Lignin", Separation Science and Technology, Taylor & Francis Inc., US, US , (19980101), vol. 33, no. 9, doi:10.1080/01496399808544988, ISSN 0149-6395, pages 1359 - 1377, XP093183269

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Dossier Documents

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