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Expired European patentEurope

Glass-reinforced grafted branched higher alpha-olefins

EP 0530360 B1 · Applicant: PHILLIPS PETROLEUM COMPANY

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Overview

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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 19, 1992 and granted January 13, 1999. A European patent lasts at most 20 years from filing, so its term ended March 19, 2012.
  • 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 September 19, 2017.
  • 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 19, 1992
PublishedMarch 10, 1993
GrantedJanuary 13, 1999
Term endedMarch 19, 2012
Application numberEP 92909523
Classification (CPC)C08F255/00 +2 more

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedMarch 19, 1992PublishedMarch 10, 1993Patent grantedJan 13, 1999Term endedMarch 19, 2012

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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