IP Verse

Coated Steel Strips, Methods Of Making The Same, Methods Of Using The Same, Stamping Blanks Prepared From The Same, Stamped Products Prepared From The Same, And Articles Of Manufacture Which Contain Such A Stamped Product

Patent No. EP2086755 (titled "Coated Steel Strips, Methods Of Making The Same, Methods Of Using The Same, Stamping Blanks Prepared From The Same, Stamped Products Prepared From The Same, And Articles Of Manufacture Which Contain Such A Stamped Product") was filed by Arcelormittal on Oct 30, 2006. The application was issued on Nov 29, 2017.

Patent Summary

Coated steel sheets for hot stamping, comprising a steel substrate coated on at least one side with a uniform aluminum or aluminum alloy coating having a thickness between 20 and 33 micrometers, wherein the coating undergoes intermetallic alloying with the steel substrate during heating, and the resulting coated steel exhibits improved weldability and resistance to roller fouling in hot stamping processes.

Patent Family

Patent Family

Patent Oppositions (5)

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 DateRepresentative
MUHR UND BENDERAug 29, 2018NEUMANN MULLER OBERWALLENEY PATENTANWALTE PARTG MBB
THYSSENKRUPP STEEL EUROPEAug 29, 2018EISENFUHR SPEISER
VOLKSWAGENAug 29, 2018LIEBL
SALZGITTER FLACHSTAHLAug 28, 2018MOSER GOTZE & PARTNER PATENTANWALTE MBB
TATA STEEL IJMUIDENAug 28, 2018GROUP SERVICES

Dossier Documents

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EP2086755

ARCELORMITTAL
Application Number
EP06842403A
Filing Date
Oct 30, 2006
Status
Granted And Under Opposition
Oct 27, 2017
Publication Date
Nov 29, 2017
External Links
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