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Method And Roller Mill For Thermomechanically Activating A Clay Mixture - EP3909682

The patent EP3909682 was granted to Gebr Pfeiffer on Apr 6, 2022. The application was originally filed on May 14, 2020 under application number EP20174635A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3909682

GEBR PFEIFFER
Application Number
EP20174635A
Filing Date
May 14, 2020
Status
Granted And Under Opposition
Mar 4, 2022
Grant Date
Apr 6, 2022
External Links
Slate, Register, Google Patents

Patent Summary

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THYSSENKRUPP POLYSIUSDec 1, 2022TETZNERADMISSIBLE

Patent Citations (15) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONDE102011014498
DESCRIPTIONDE102016005285
DESCRIPTIONEP2253600
DESCRIPTIONEP2429966
DESCRIPTIONWO2005019129
DESCRIPTIONWO2018195624
OPPOSITIONDE102011014498
OPPOSITIONDE69401104T
OPPOSITIONGB1080605
SEARCHCN206853810U
SEARCHDE102011014498
SEARCHDE102013213005
SEARCHDE10305915
SEARCHWO2017072047
SEARCHWO2020025783

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- H. BRUNDIEK, "Die Wälzmühle - Geschichte und heutiger Stand - Teil 2", Aufbereitungs-Technik 30, (19890000), pages 735 - 745, XP093010831-
OPPOSITION- A. D'ELIA et al., "Effects of processing on the mineralogy and solubilty of carbonate-rich clays for alkaline activation purpose: mechanical, thermal activation in red/ox atmosphere and their combination", Applied Clay Sciene, (20180000), vol. 152, doi:10.1016/j.clay.2017.11.036, pages 9 - 21, XP085302949

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Dossier Documents

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