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Expired European patentEurope

Ink for use in ink jet recording

EP 0454872 B1 · Applicant: SEIKO EPSON CORPORATION

EPO PDF

Overview

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

Read the whole patent

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.

Why it's free to use

  • Filed November 21, 1990 and granted June 28, 1995. A European patent lasts at most 20 years from filing, so its term ended November 21, 2010.
  • 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 21, 2016.
  • 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 21, 1990
PublishedNovember 6, 1991
GrantedJune 28, 1995
Term endedNovember 21, 2010
Application numberEP 91900346
Classification (CPC)C09D11/36

Timeline

Timeline From EPO dates

1991199319951997199920012003200520072009Application filedNov 21, 1990PublishedNov 6, 1991Patent grantedJune 28, 1995Term endedNov 21, 2010

Sources & verification