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Expired European patentEurope

Method for forming intensified colour image

EP 0872765 B1 · Applicant: KONICA CORPORATION

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

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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 April 15, 1998 and granted October 31, 2001. A European patent lasts at most 20 years from filing, so its term ended April 15, 2018.
  • 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 October 15, 2023.
  • 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.
FiledApril 15, 1998
PublishedOctober 21, 1998
GrantedOctober 31, 2001
Term endedApril 15, 2018
Application numberEP 98302914
Classification (CPC)G03C7/3017 +1 more

Timeline

Timeline From EPO dates

1999200120032005200720092011201320152017Application filedApril 15, 1998PublishedOct 21, 1998Patent grantedOct 31, 2001Term endedApril 15, 2018

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.