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Expired European patentEurope

Application of a pasty cleaning agent in dish washers

EP 0075813 B1 · Applicant: Henkel Kommanditgesellschaft auf Aktien

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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 September 18, 1982 and granted January 21, 1987. A European patent lasts at most 20 years from filing, so its term ended September 18, 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 March 18, 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.
FiledSeptember 18, 1982
PublishedApril 6, 1983
GrantedJanuary 21, 1987
Term endedSeptember 18, 2002
Application numberEP 82108636
Classification (CPC)C11D3/395 +2 more

Timeline

Timeline From EPO dates

1983198519871989199119931995199719992001Application filedSep 18, 1982PublishedApril 6, 1983Patent grantedJan 21, 1987Term endedSep 18, 2002

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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