Precipitated Calcium Carbonate (Pcc) Having A Defined Particle Size And Particle Size Distribution And Method For Producing Same - EP3464182

The patent EP3464182 was granted to Koehler Paper on Oct 19, 2022. The application was originally filed on May 31, 2017 under application number EP17726326A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3464182

KOEHLER PAPER
Application Number
EP17726326A
Filing Date
May 31, 2017
Status
Granted And Under Opposition
Sep 16, 2022
Grant Date
Oct 19, 2022
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

OMYAJul 19, 2023MAIWALDADMISSIBLE
MINERALSJul 17, 2023BAWDENADMISSIBLE

Patent Citations (13) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONEP1222146
DESCRIPTIONEP1712597
DESCRIPTIONUS6251356
INTERNATIONAL-SEARCH-REPORTEP2599750
OPPOSITIONEP1160201
OPPOSITIONJP2012224535
OPPOSITIONUS2019093289
OPPOSITIONUS5364610
OPPOSITIONUS6251356
OPPOSITIONWO2008128545
OPPOSITIONWO2009009553
OPPOSITIONWO2011038936
OPPOSITIONWO2014161758

Non-Patent Literature (NPL) Citations (32) 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
DESCRIPTION- KRALJ; BRECIVIC, "On Calcium Carbonates from fundamental research to application", CROATICA CHIMICA ACTA, (2007), vol. 80, no. 3-4, pages 467 - 484-
DESCRIPTION- LAUT GERNOT KRAMMER ET AL., PART. PART. SYST. CHARACT., (2002), vol. 19, pages 348 - 353-
DESCRIPTION- BO FENG ET AL., "Effect of various factors on the particle size of calcium carbonate formed in a precipitation process", MATERIALS SCIENCE AND ENGINEERING A, (2007), vol. 445- 446, doi:doi:10.1016/j.msea.2006.09.010, pages 170 - 179, XP005821990
INTERNATIONAL-SEARCH-REPORT- FENG ET AL, "Effect of various factors on the particle size of calcium carbonate formed in a precipitation process", MATERIALS SCIENCE AND ENGINEERING A: STRUCTURAL MATERIALS: PROPERTIES, MICROSTRUCTURES AND PROCESSING, ELSEVIER BV, NL, (20070118), vol. 445-446, doi:10.1016/J.MSEA.2006.09.010, ISSN 0921-5093, pages 170 - 179, XP005821990 [AD] 1-13 * the whole document *
OPPOSITION- Anonymous, " Basic principles of particle size analysis", Malvern, (20140101), Malvern, (20231207), XP093109939-
OPPOSITION- Anonymous, " Laser Scattering Particle Size Distribution Analyzer LA-950", Horiba, (20160102), Horiba, (20240110), XP093117839-
OPPOSITION- Anonymous, "PERFORMANCE MINERALS FOR PAPER ALBACAR ® 5970 SLURRY precipitated calcium carbonate (pcc)", Specialty Minerals, (19980101), Specialty Minerals, (20240110), XP093117850-
OPPOSITION- Anonymous, "PERFORMANCE MINERALS FOR PAPER ALBACAR® HO SLURRY precipitated calcium carbonate (pcc)", Specialty Minerals, (19980101), Specialty Minerals, (20240110), XP093117844-
OPPOSITION- Anonymous, "PERFORMANCE MINERALS FOR PAPER ALBACAR ® LO SLURRY precipitated calcium carbonate (pcc)", Specialty Minerals, (19980101), pages 1 - 1, Specialty Minerals, (20240110), XP093117825-
OPPOSITION- Anonymous, "PERFORMANCE MINERALS FOR PAPER ALBACAR® PO SLURRY precipitated calcium carbonate (pcc) ", Specialty Minerals, (19980101), Specialty Minerals, (20240110), XP093117848-
OPPOSITION- Anonymous, "PERFORMANCE MINERALS FOR PAPER ALBAFIL ® (Adams, MA) precipitated calcium carbonate (pcc)", Specialty Minerals, (19980101), Specialty Minerals, (20240110), XP093117853-
OPPOSITION- Anonymous, "PERFORMANCE MINERALS FOR PAPER ALBAFIL ® M 58% SLURRY (Adams, MA) precipitated calcium carbonate {pcc)", Specialty Minerals, (19980101), Specialty Minerals, (20240110), XP093117860-
OPPOSITION- Anonymous, "PERFORMANCE MINERALS FOR PAPER ALBAFIL ® M SLURRY precipitated calcium carbonate (pcc)", Specialty Minerals, (19980101), Specialty Minerals, (20240110), XP093117859-
OPPOSITION- Anonymous, "PERFORMANCE MINERALS FOR PAPER ALBAFIL ® S SLURRY precipitated calcium carbonate (pcc) ", Specialty Minerals, (19980101), Specialty Minerals, (20240110), XP093117855-
OPPOSITION- Anonymous, "PERFORMANCE MINERALS FOR PAPER ALBAFIL ® XL SLURRY precipitated calcium carbonate (pcc)", Specialty Minerals, (19980101), Specialty Minerals, (20240110), XP093117864-
OPPOSITION- Anonymous, "PERFORMANCE MINERALS FOR PAPER ALBAGLOS® L SLURRY precipitated calcium carbonate (pee) ", Specialty Minerals, (19980101), Specialty Minerals, (20240110), XP093117870-
OPPOSITION- Anonymous, "PERFORMANCE MINERALS FOR PAPER ALBAGLOS ® SLURRY precipitated calcium carbonate (pcc)", Specialty Minerals, (19980101), Specialty Minerals, (20240110), XP093117865-
OPPOSITION- Anonymous, "PERFORMANCE MINERALS FOR PAPER ALBAGLOS ® S precipitated calcium carbonate {pcc)", Specialty Minerals, (19980101), Specialty Minerals, (20240110), XP093117867-
OPPOSITION- Anonymous, "PERFORMANCE MINERALS FOR PAPER ALBAGLOS® XLSLURRY precipitated calcium carbonate (pee) ", Specialty Minerals, (19980101), Specialty Minerals, (20240110), XP093117872-
OPPOSITION- Anonymous, "PERFORMANCE MINERALS FOR PAPER OPACARB™ A40 precipitated calcium carbonate (pcc) ", Specialty Minerals, (20000101), Specialty Minerals, (20240110), XP093117875-
OPPOSITION- Anonymous, "PERFORMANCE MINERALS FOR PAPER OPACARB™ A60 precipitated calcium carbonate (pee) ", Specialty Minerals, (20000101), Specialty Minerals, (20240110), XP093117878-
OPPOSITION- Anonymous, "PERFORMANCE MINERALS FOR PAPER OPACARB™ precipitated calcium carbonate (pcc)", Specialty Minerals, (20000101), Specialty Minerals, (20240110), XP093117873-
OPPOSITION- Anonymous, "Precipitated Calcium Carbonates (pee) For Filling (Overview of the materials of sales documentation for Minerals Technologies PCC products)", Specialty Minerals, (20000101), Specialty Minerals, (20240110), XP093117841-
OPPOSITION- Bardet R, "Nanocelluloses as Potential Materials for Specialty Papers. Excerpt", Thesis University of Grenoble, (20141114), pages 1 - 9, XP093069857-
OPPOSITION- D51: Horiba - Technical Note TN156 - Understanding and interpreting particle size distribution calculations-
OPPOSITION- D52: INTERNAL ANALYSIS OF COMMERCIAL PRODUCT ALBACAR LO IN 2005-
OPPOSITION- Hubbe Martin A, Gill Robert A, "Fillers for Papermaking: A review of their properties, usage practices and their mechanistic role ", BioResources, (20160101), vol. 11, no. 1, pages 2886 - 2963, XP093109944-
OPPOSITION- Phipps J S, "Engineering minerals for performance applications: An industrial perspective", Clay Minerals, (20140101), vol. 49, pages 1 - 16, XP093069846-
OPPOSITION- Schaefer Kalk, "Schaefer Precarb 120", Technisches Merkblatt Typische Werte Schaefer, (20120401), Technisches Merkblatt Typische Werte Schaefer, (20180125), XP055444467-
OPPOSITION- Gaudreault Roger, Di Cesare Nicolas, Van De Ven Theo G. M., Weitz David A., "Structure and Strength of Flocs of Precipitated Calcium Carbonate Induced by Various Polymers Used in Papermaking", Industrial & Engineering Chemistry Research, American Chemical Society, (20150624), vol. 54, no. 24, doi:10.1021/acs.iecr.5b00818, ISSN 0888-5885, pages 6234 - 6246, XP093109949
OTHER- Anonymous, "SCHAEFER PRECARB® 120 Technical Data Sheet", SCHAEFER KALK GmbH, (20120400), pages 1 - 2, XP055744668-
OTHER- anonymous, "Understanding Particle Size Distribution Calculations - HORIBA", Internet Archive Wayback Machine, (20141119), pages 1 - 7, URL: https://web.archive.org/web/20141119015832/http://www.horiba.com/uk/scientific/products/particle-characterization/education/general-information/data-interpretation/understanding-particle-size-distribution-calculations, XP055744665-

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

Dossier Documents

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents