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Expired European patentEurope

Process for the production of hydrocarbons

EP 0189079 B1 · Applicant: IDEMITSU KOSAN COMPANY LIMITED

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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 January 12, 1986 and granted August 17, 1988. A European patent lasts at most 20 years from filing, so its term ended January 12, 2006.
  • 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 12, 2011.
  • 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 12, 1986
PublishedJuly 30, 1986
GrantedAugust 17, 1988
Term endedJanuary 12, 2006
Application numberEP 86100325
Classification (CPC)C07C2/84

Timeline

Timeline From EPO dates

1987198919911993199519971999200120032005Application filedJan 12, 1986PublishedJuly 30, 1986Patent grantedAug 17, 1988Term endedJan 12, 2006

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.