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Expired European patentEurope

Use of waxes as modifying agent for filled plastics

EP 1584644 B1 · Applicant: Clariant GmbH

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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 March 26, 2005 and granted March 5, 2008. A European patent lasts at most 20 years from filing, so its term ended March 26, 2025.
  • 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.
FiledMarch 26, 2005
PublishedOctober 12, 2005
GrantedMarch 5, 2008
Term endedMarch 26, 2025
Application numberEP 05006691
Classification (CPC)C08L97/02 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedMarch 26, 2005PublishedOct 12, 2005Patent grantedMarch 5, 2008Term endedMarch 26, 2025

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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