IP Verse

Refractory Plate, Method For The Production Of The Refractory Plate, Use Of The Refractory Plate, Slide Gate Valve For Controlling A Flow Of Molten Metal And Vessel For Containing Molten Metal - EP4268994

The patent EP4268994 was granted to Refractory on May 8, 2024. The application was originally filed on Apr 27, 2022 under application number EP22170298A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4268994

REFRACTORY
Application Number
EP22170298A
Filing Date
Apr 27, 2022
Status
Granted And Under Opposition
Apr 5, 2024
Publication Date
May 8, 2024
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

VESUVIUS GROUPFeb 5, 2025GRIDELETADMISSIBLE
VESUVIUS GROUPFeb 5, 2025MARLIEREADMISSIBLE

Patent Citations (9) New

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

Citation PhasePublication Number
OPPOSITIONJP2005034883
OPPOSITIONRU2677400
OPPOSITIONUS4179046
OPPOSITIONUS4212926
OPPOSITIONUS5866022
OPPOSITIONWO0100211
OPPOSITIONWO0160761
SEARCHKR20000043950
SEARCHRU2677400

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 Text
OPPOSITION- Subir Biswas, Debasish Sarkar , "1.4 Shaped Refractories", Subir Biswas, Debasish Sarkar , Subir Biswas, Debasish Sarkar, Introduction to Refractories for Iron- and Steelmaking, SPRINGER, (20200610), pages 21 - 27, doi:10.1007/978-3-030-43807-4_1, ISBN 978-3-030-43806-7, XP009561195
OPPOSITION- Subir Biswas, Debasish Sarkar, "Chapter 9 Refractory in Ladle Flow Control and Purging System", Subir Biswas, Debasish Sarkar, SUBIR BISWAS, DEBASISH SARKAR, Introduction to Refractories for Iron- and Steelmaking, SPRINGER, (20200610), pages 359 - 368, doi:10.1007/978-3-030-43807-4_9, ISBN 978-3-030-43806-7, XP009561194

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