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Expired European patentEurope

Exothermic mold powder for continuous casting

EP 0513357 B1 · Applicant: SHINAGAWA REFRACTORIES CO., LTD.

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Listed from its EPO record in Patent Yard's archive of European patents past their term. Its claims, description and drawings are in the EPO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Filed July 19, 1991 and granted October 22, 1997. A European patent lasts at most 20 years from filing, so its term ended July 19, 2011.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by January 19, 2017.
  • We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledJuly 19, 1991
PublishedNovember 19, 1992
GrantedOctober 22, 1997
Term endedJuly 19, 2011
Application numberEP 91913081
Classification (CPC)B22D11/111

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedJuly 19, 1991PublishedNov 19, 1992Patent grantedOct 22, 1997Term endedJuly 19, 2011

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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