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Expired European patentEurope

Supported catalyst for olefin polymerization

EP 0773236 B1 · Applicant: PCD-Polymere Gesellschaft m.b.H.

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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 October 30, 1996 and granted November 25, 1998. A European patent lasts at most 20 years from filing, so its term ended October 30, 2016.
  • 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 April 30, 2022.
  • 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.
FiledOctober 30, 1996
PublishedMay 14, 1997
GrantedNovember 25, 1998
Term endedOctober 30, 2016
Application numberEP 96117403
Classification (CPC)C08F10/00

Timeline

Timeline From EPO dates

1997199920012003200520072009201120132015Application filedOct 30, 1996PublishedMay 14, 1997Patent grantedNov 25, 1998Term endedOct 30, 2016

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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