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IP Verse

A Method For Manufacturing A Metal Sheet With A Znal Coating And With Optimised Drying, Corresponding Metal Sheet, Part And Vehicle - EP2906734

The patent EP2906734 was granted to Arcelormittal on Jun 1, 2022. The application was filed on Feb 10, 2014 under application number EP14706122A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP2906734

ARCELORMITTAL
Application Number
EP14706122A
Filing Date
Feb 10, 2014
Status
Granted And Under Opposition
Apr 29, 2022
Publication Date
Jun 1, 2022
External Links
Slate, Register, Google Patents

Patent Summary

A process for producing a steel sheet with a zinc-based coating having a controlled waviness profile. The process involves cold rolling the steel substrate with smooth working rolls to reduce the waviness of the coating's outer surface, characterized by an arithmetic mean waviness (Wa0.8) of less than 0.8 μm. The coating composition includes 0.2-0.7% aluminum by weight, with optional additional elements present in less than 0.3% by weight.

Patent Family

Patent Family

Patent Oppositions (6)

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
TATA STEEL NEDERLAND TECHNOLOGYMar 1, 2023GROUP SERVICESADMISSIBLE
TATA STEEL UKMar 1, 2023WYNNE JONESADMISSIBLE
THYSSENKRUPP STEEL EUROPEMar 1, 2023EISENFUHR SPEISERADMISSIBLE
VOESTALPINE STAHLMar 1, 2023WSL PATENTANWALTE PARTNERSCHAFT MBBADMISSIBLE
TATA STEEL IJMUIDENFeb 28, 2023BIJVANKADMISSIBLE
SALZGITTER FLACHSTAHLFeb 27, 2023MOSER GOTZE & PARTNER PATENTANWALTE MBBADMISSIBLE

Patent Citations (28) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTEP2119804
INTERNATIONAL-SEARCH-REPORTWO2010130883
INTERNATIONAL-SEARCH-REPORTWO2010130884
OPPOSITIONDE1521288
OPPOSITIONEP0707897
OPPOSITIONEP0882810
OPPOSITIONEP1327697
OPPOSITIONEP1466994
OPPOSITIONEP2430207
OPPOSITIONEP2906734
OPPOSITIONEP3102348
OPPOSITIONJP2003080302
OPPOSITIONJP2005298947
OPPOSITIONJP2007070664
OPPOSITIONJP2008214681
OPPOSITIONJP2008274425
OPPOSITIONJP2011202287
OPPOSITIONJP2013007095
OPPOSITIONJPS57203761
OPPOSITIONKR20010112968
OPPOSITIONUS2011111255
OPPOSITIONUS2012052206
OPPOSITIONUS2012107636
OPPOSITIONUS4078103
OPPOSITIONWO2009004425
OPPOSITIONWO2010130884
OPPOSITIONWO2014135999
OPPOSITIONWO2018215661

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.

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