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Microporous Zirconium Silicate For The Treatment Of Hyperkalemia - EP2673237

The patent EP2673237 was granted to ZS Pharma on Oct 1, 2025. The application was originally filed on Feb 10, 2012 under application number EP12744254A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2673237

ZS PHARMA
Application Number
EP12744254A
Filing Date
Feb 10, 2012
Status
Patent Maintained As Amended
Aug 29, 2025
Publication Date
Oct 1, 2025
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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GALENICUM HEALTH SLUAug 6, 2019GALENICUM HEALTH SLUADMISSIBLE
SANDOZAug 6, 2019TER MEER STEINMEISTER & PARTNERADMISSIBLE
TEVA PHARMACEUTICALSAug 5, 2019KRAUS & LEDERER PARTGMBBADMISSIBLE

Patent Citations (24) New

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

Citation PhasePublication Number
DESCRIPTIONUS5888472
DESCRIPTIONUS5891417
DESCRIPTIONUS6099737
DESCRIPTIONUS6332985
DESCRIPTIONUS6579460
DESCRIPTIONUS6814871
DESCRIPTIONWO02062356
INTERNATIONAL-SEARCH-REPORTUS2007202180
INTERNATIONAL-SEARCH-REPORTUS2010104527
INTERNATIONAL-SEARCH-REPORTUS6332985
INTERNATIONAL-SEARCH-REPORTUS6579460
INTERNATIONAL-SEARCH-REPORTUS6814871
OPPOSITIONUS5888472
OPPOSITIONUS6099737
OPPOSITIONUS6332985
OPPOSITIONUS6579460
OPPOSITIONWO02062356
OPPOSITIONWO2010022381
OPPOSITIONWO2010022383
OTHERUS6332985
OTHERWO02062356
SEARCHUS6099737
SEARCHUS6332985
SEARCHWO02062356

Non-Patent Literature (NPL) Citations (22) 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
EXAMINATION- Anonymous, "Catapleiite Mineral Data", (20020811), URL: https://web.archive.org/web/20020811184524/http://www.webmineral.com:80/data/Catapleiite.shtml, (20180206), XP055448104
EXAMINATION- Anonymous, "Mineralienatlas Lexikon - Katapleit", (20100101), URL: https://www.mineralienatlas.de/lexikon/index.php/MineralData?mineral=Katapleit, (20180206), XP055448614
EXAMINATION- NAVASCUES N ET AL, "Reconstruction of umbite framework variants by atomistic simulations using XRD and sorption data", CHEMICAL ENGINEERING AND PROCESSING, ELSEVIER SEQUOIA, LAUSANNE, CH, vol. 47, no. 7, doi:10.1016/J.CEP.2007.05.025, ISSN 0255-2701, (20080701), pages 1139 - 1149, (20080517), XP022669183
EXAMINATION- Anatoly I. Bortun ET AL, "Hydrothermal Synthesis of Sodium Zirconium Silicates and Characterization of Their Properties", Chemistry of materials, US, (19970310), vol. 9, no. 8, doi:10.1021/cm9701419, ISSN 0897-4756, pages 1854 - 1864, XP055387088
OPPOSITION- Anonymous, "ZSPharma Inc. An Innovative Technology Platform", Internet Archive Wayback Machine, (20100906), URL: http://web.archive.org/web/20100906160415/http://zspharma.com/products, XP055627873
OPPOSITION- D.A. SICA et al., "Hyperkalemia in Congestive Heart Failure", CHF, (20010000), vol. 7, pages 97 - 100, XP055627893
OPPOSITION- JANI et al., "Bilary excretion of polystyrene microspheres with covalently linked FITC fluorescence after oral and parental administration to male wistar rats", J Drug Target., (19960000), vol. 4, no. 2, pages 87 - 93, XP055627302
OPPOSITION- O'HAGAN D T, "The intestinal uptake of particles and the implications for drug and antigen delivery", JOURNAL OF ANATOMY,, (19960000), vol. 189, pages 477 - 482, XP009001293
OPPOSITION- LEHNHARDT et al., "Pathogenesis, diagnosis and management of hyperkalemia", Pediatr Nephrol, vol. 26, (20110000), pages 377 - 384, (20101222), XP055627298
OPPOSITION- Genet F; Barj M, "Hydrothermal synthesis and recrystallization of compounds belonging to the NASICON family: Synthesis and crystallization of Na"4Zr"2Si"3O"1"2", SOLID STATE IONICS, (19830000), pages 891 - 893, XP024609602
OPPOSITION- D.T. O'HAGAN, "Intestinal translocation of particulates - implications for drug and antigen delivery", Advanced Drug Delivery Reviews, (19900000), vol. 5, pages 265 - 285, XP025821883
OPPOSITION- NAVASCUES et al., "Reconstruction of umbite framework variants by atomistic simulations using XRD and sorption data", Chemical Engineering and Processing, (20080000), vol. 47, pages 1139 - 1149, XP022669183
OPPOSITION- A.T. FLORENCE, "Nanoparticle uptake by the oral route: Fulfilling its potential", Drug Discovery Today, (20050000), vol. 2, no. 1, pages 75 - 81, XP004985731
OPPOSITION- A.I. BORTUN et al., "Hydrothermal Synthesis of Sodium Zirconium Silicates and Characterization of Their Properties", Chemistry of materials, (19970000), vol. 9, no. 8, pages 1854 - 1864, XP055387088
OPPOSITION- Anatoly I Bortun; Lyudmila N Bortun; Abraham Clearfield, "Hydrothermal Synthesis of Sodium Zirconium Silicates and Characterization of Their Properties", Chemistry of materials,, (19970310), vol. 9, no. 8, pages 1854 - 1864, XP055387088
OPPOSITION- BORTUN et al., "Hydrothermal Synthesis of Sodium Zirconium Silicates and Characterization of Their Properties", Chem. Mater., (19970000), vol. 9, no. 8, pages 1854 - 1864, XP055387088
OPPOSITION- I.J. BROWN et al., "Salt intakes around the world: implications for public health", International Journal of Epidemiology, (20090000), vol. 38, pages 791 - 813, XP055627887
OTHER- BORTUN et al., Chem. Matter, (19970000), vol. 9, pages 1854 - 1864
OTHER- HIRJAU et al., Practica Farmaceutica, (20110000), vol. 4, no. 3-4, pages 206 - 211
OTHER- LAVANYA et al., IJPSR, (20110000), vol. 2, no. 6, pages 1337 - 1355
OTHER- NAVASCUES et al., Chemical Engineering and Processing, (20080000), vol. 47, pages 1139 - 1149
SEARCH- Anonymous, "Welcome to ZS Pharma", (20100905), URL: http://web.archive.org/web/20100905040319/http://zspharma.com/, (20141114), XP055153045 [Y] 9-15 * the whole document * [A] 1-8

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