IP Verse

Process For The Preparation Of Crumbles Comprising Calcium Carbonate - EP3418333

The patent EP3418333 was granted to Omya on Mar 17, 2021. The application was originally filed on May 21, 2015 under application number EP18176418A. The patent is currently recorded with a legal status of "Revoked".

EP3418333

OMYA
Application Number
EP18176418A
Filing Date
May 21, 2015
Status
Revoked
May 23, 2025
Grant Date
Mar 17, 2021
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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

CALCIT DOODec 13, 2021WITTMANNADMISSIBLE

Patent Citations (12) New

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

Citation PhasePublication NumberPublication Link
OPPOSITIONEP2194103
OPPOSITIONUS2010035076
OPPOSITIONUS2010095869
OPPOSITIONWO2013167420
OPPOSITIONWO2014016036
OPPOSITIONWO2014044778
OTHEREP2194103
OTHERUS2010035076
SEARCHEP2194103
SEARCHGB2139606
SEARCHWO2004016566
SEARCHWO2009009553

Non-Patent Literature (NPL) Citations (4) 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- "1.1. chemistry of calcium carbonate", Omya International AG catalogue: Calcium Carbonate in the Paper Industry, (20041200), XP055908508-
OPPOSITION- Metso Corporation, "Tube press", Brochure Product, (20110101), pages 1 - 8, Brochure Product, (20180119), XP055442755-
OPPOSITION- Omya International Ag, "HYDROCARB 90 HS Calcium Carbonate", Matweb, The online materials database, (20121103), Matweb, The online materials database, (20180119), XP055442751-
OTHER- TASCHENBUCH DER PAPIERTECHNIK, (20100000), ISBN 978-3-466-41967-4-

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