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Expired European patentEurope

Auxiliary liquid rheological medium, method for the production and use thereof

EP 1668053 B1 · Applicant: BASF Coatings AG

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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 21, 2004 and granted June 13, 2007. A European patent lasts at most 20 years from filing, so its term ended September 21, 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.
FiledSeptember 21, 2004
PublishedJune 14, 2006
GrantedJune 13, 2007
Term endedSeptember 21, 2024
Application numberEP 04787241
Classification (CPC)C08L75/02 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedSep 21, 2004PublishedJune 14, 2006Patent grantedJune 13, 2007Term endedSep 21, 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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