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Expired European patentEurope

Liquid cleaning composition containing an anionic polyacrylamide copolymer

EP 1680494 B1 · Applicant: Colgate-Palmolive Company

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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 November 5, 2004 and granted October 10, 2007. A European patent lasts at most 20 years from filing, so its term ended November 5, 2024.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • 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 5, 2004
PublishedJuly 19, 2006
GrantedOctober 10, 2007
Term endedNovember 5, 2024
Application numberEP 04810334
Classification (CPC)C11D1/83 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedNov 5, 2004PublishedJuly 19, 2006Patent grantedOct 10, 2007Term endedNov 5, 2024

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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