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Expired European patentEurope

Liquid phase oxidation of alkanes

EP 0126488 B1 · Applicant: UNION CARBIDE CORPORATION

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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 May 22, 1984 and granted April 23, 1986. A European patent lasts at most 20 years from filing, so its term ended May 22, 2004.
  • 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 November 22, 2009.
  • 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.
FiledMay 22, 1984
PublishedNovember 28, 1984
GrantedApril 23, 1986
Term endedMay 22, 2004
Application numberEP 84105839
Classification (CPC)C07C51/215 +1 more

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedMay 22, 1984PublishedNov 28, 1984Patent grantedApril 23, 1986Term endedMay 22, 2004

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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