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Expired European patentEurope

Cleaning compositions

EP 0079697 B1 · Applicant: THE PROCTER & GAMBLE COMPANY

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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 October 26, 1982 and granted January 22, 1986. A European patent lasts at most 20 years from filing, so its term ended October 26, 2002.
  • 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 26, 2008.
  • 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 26, 1982
PublishedMay 25, 1983
GrantedJanuary 22, 1986
Term endedOctober 26, 2002
Application numberEP 82305666
Classification (CPC)C11D3/3956 +1 more

Timeline

Timeline From EPO dates

1983198519871989199119931995199719992001Application filedOct 26, 1982PublishedMay 25, 1983Patent grantedJan 22, 1986Term endedOct 26, 2002

Sources & verification