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Expired European patentEurope

Water-softening and detergent compositions

EP 1200547 B1 · Applicant: UNILEVER N.V.

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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 July 4, 2000 and granted November 16, 2005. A European patent lasts at most 20 years from filing, so its term ended July 4, 2020.
  • 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 January 4, 2026.
  • 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.
FiledJuly 4, 2000
PublishedMay 2, 2002
GrantedNovember 16, 2005
Term endedJuly 4, 2020
Application numberEP 00945878
Classification (CPC)C11D17/0073 +1 more

Timeline

Timeline From EPO dates

2001200320052007200920112013201520172019Application filedJuly 4, 2000PublishedMay 2, 2002Patent grantedNov 16, 2005Term endedJuly 4, 2020

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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