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Expired European patentEurope

Process and apparatus for regenerating an electroless copper-plating bath

EP 0240589 B1 · Applicant: International Business Machines Corporation

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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 April 11, 1986 and granted February 7, 1990. A European patent lasts at most 20 years from filing, so its term ended April 11, 2006.
  • 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 11, 2011.
  • 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 11, 1986
PublishedOctober 14, 1987
GrantedFebruary 7, 1990
Term endedApril 11, 2006
Application numberEP 86105002
Classification (CPC)C23C18/1617

Timeline

Timeline From EPO dates

1987198919911993199519971999200120032005Application filedApril 11, 1986PublishedOct 14, 1987Patent grantedFeb 7, 1990Term endedApril 11, 2006

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