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Expired European patentEurope

Liquid impermeable, moisture vapour permeable layers and films comprising thermoplastic hydrophilic polymeric compositions and having improved strength

EP 1857497 B1 · Applicant: The Procter and Gamble 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 April 12, 2002 and granted August 13, 2008. A European patent lasts at most 20 years from filing, so its term ended April 12, 2022.
  • 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.
FiledApril 12, 2002
PublishedNovember 21, 2007
GrantedAugust 13, 2008
Term endedApril 12, 2022
Application numberEP 07016141
Classification (CPC)B32B27/34 +2 more

Timeline

Timeline From EPO dates

2003200520072009201120132015201720192021Application filedApril 12, 2002PublishedNov 21, 2007Patent grantedAug 13, 2008Term endedApril 12, 2022

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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