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Expired European patentEurope

Method for short-term treatment of thermoplastic molten material with a fluid treating agent and obtained thermoplastic material

EP 0666161 B1 · Applicant: Röhm 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 January 17, 1995 and granted May 16, 2001. A European patent lasts at most 20 years from filing, so its term ended January 17, 2015.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by July 17, 2020.
  • 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.
FiledJanuary 17, 1995
PublishedAugust 9, 1995
GrantedMay 16, 2001
Term endedJanuary 17, 2015
Application numberEP 95100537
Classification (CPC)B29C48/468

Timeline

Timeline From EPO dates

1996199820002002200420062008201020122014Application filedJan 17, 1995PublishedAug 9, 1995Patent grantedMay 16, 2001Term endedJan 17, 2015

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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