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Method For Producing Purified Silicic Acid Alkali Aqueous Solution And Silica Sol - EP2754640

The patent EP2754640 was granted to Nissan Chemical on Jun 27, 2018. The application was originally filed on Sep 5, 2012 under application number EP12829887A. The patent is currently recorded with a legal status of "Revoked".

EP2754640

NISSAN CHEMICAL
Application Number
EP12829887A
Filing Date
Sep 5, 2012
Status
Revoked
Mar 29, 2024
Grant Date
Jun 27, 2018
External Links
Slate, Register, Google Patents

Patent Summary

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Patent Family

Patent Oppositions (2)

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NOURYON CHEMICALSMar 27, 2019INGRASSIAADMISSIBLE
NOURYON CHEMICALSMar 27, 2019LKGLOBAL UKADMISSIBLE

Patent Citations (13) New

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

Citation PhasePublication Number
DESCRIPTIONJP2001294420
INTERNATIONAL-SEARCH-REPORTJP2001294420
INTERNATIONAL-SEARCH-REPORTJP2002511379
INTERNATIONAL-SEARCH-REPORTJP2006036605
INTERNATIONAL-SEARCH-REPORTJPH09168710
OPPOSITIONCN1084491
OPPOSITIONCN1386702
OPPOSITIONJPH11244628
OPPOSITIONUS3673104
OPPOSITIONUS7645312
SEARCHEP2757070
SEARCHJP2001294420
SEARCHWO9952821

Non-Patent Literature (NPL) Citations (8) New

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

Citation PhaseReference Text
OPPOSITION- anonymous, "Diatomaceous earth", Wikipedia, the free encyclopedia, (20110831), pages 1 - 4, URL: https://en.wikipedia.org/w/index.php?title=Diatomaceous_earth&oldid=447590545, XP055578996
OPPOSITION- anonymous, "Membrane technology", Wikipedia, the free encyclopedia, (20110902), pages 1 - 6, URL: https://en.wikipedia.org/w/index.php?title=Membrane_technology&oldid=447992962, XP055579001
OPPOSITION- "Chapter 2: Silica Nucleation, Polymerization, and Growth Preparation ui of Monodispersed Sols", YOSHIDA A., The Colloid Chemistry of Silica. Advances in Chemistry, ACS, (19940000), vol. 2, pages 52 - 66, XP055578949
OPPOSITION- ROGGENDORF et al., "STRUCTURAL CHARACTERIZATION OF CONCENTRATED ALKALINE SILICATE SOLUTIONS BY 29SI-NMR SPECTROSCOPY, FT-IR SPECTROSCOPY, LIGHT SCATTERING, AND ELECTRON MICROSCOPY - MOLECULES, COLLOIDS, AND DISSOLUTION ARTEFACTS", Glastech. Ber. Glass Sci. Technol., (19960700), vol. 69, no. 7, pages 216 - 231, XP000599390
OPPOSITION- TSAI et al., "The study of formation process of colloidal silica", Mater. Res. Bull, (20050900), vol. 40, no. 9, pages 1609 - 1616, XP004988610
OPPOSITION- TSAI, "The study of formation colloidal silica via sodium silicate", Mater. Sci. Eng. B, (20040115), vol. 106, no. 1, pages 52 - 55, XP004475501
OPPOSITION- Hyung Mi Lim et al., "Comparative Study of Various Preparation Methods of Colloidal Silica", Engineering, (20100000), vol. 2, no. 12, pages 998 - 1005, XP055176638
SEARCH- DATABASE WPI, 0, Derwent World Patents Index, vol. 2002, no. 18, Database accession no. 2002-134392, XP002738692 & JP2001294420 A 20011023 (NIPPON CHEM IND CO LTD) [XD] 1-10 * abstract * * citations refer to the English machine translation * * the whole document *

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Dossier Documents

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