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Expired European patentEurope

Dye-sensitive photopolymerizable compositions

EP 0318336 B1 · Applicant: THE MEAD CORPORATION

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Overview

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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 November 28, 1988 and granted May 21, 1997. A European patent lasts at most 20 years from filing, so its term ended November 28, 2008.
  • 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 May 28, 2014.
  • 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.
FiledNovember 28, 1988
PublishedMay 31, 1989
GrantedMay 21, 1997
Term endedNovember 28, 2008
Application numberEP 88311263
Classification (CPC)G03F7/002

Timeline

Timeline From EPO dates

1989199119931995199719992001200320052007Application filedNov 28, 1988PublishedMay 31, 1989Patent grantedMay 21, 1997Term endedNov 28, 2008

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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