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Expired European patentEurope

Use of polyvinyl acetate solid resins functionalised with acid groups as low-profile additive

EP 1763541 B1 · Applicant: Wacker Polymer Systems GmbH & Co. KG

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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 June 23, 2005 and granted December 5, 2007. A European patent lasts at most 20 years from filing, so its term ended June 23, 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.
FiledJune 23, 2005
PublishedMarch 21, 2007
GrantedDecember 5, 2007
Term endedJune 23, 2025
Application numberEP 05769639
Classification (CPC)C08F8/00 +1 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedJune 23, 2005PublishedMarch 21, 2007Patent grantedDec 5, 2007Term endedJune 23, 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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