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Expired European patentEurope

Method for hardening a photographic material, and photosensitive material

EP 0029127 B1 · Applicant: Agfa-Gevaert AG

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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 October 20, 1980 and granted May 12, 1982. A European patent lasts at most 20 years from filing, so its term ended October 20, 2000.
  • 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 April 20, 2006.
  • 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.
FiledOctober 20, 1980
PublishedMay 27, 1981
GrantedMay 12, 1982
Term endedOctober 20, 2000
Application numberEP 80106380
Classification (CPC)G03C1/30

Timeline

Timeline From EPO dates

1981198319851987198919911993199519971999Application filedOct 20, 1980PublishedMay 27, 1981Patent grantedMay 12, 1982Term endedOct 20, 2000

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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