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Expired European patentEurope

Burner and partial oxidation process for slurries of solid fuel

EP 0127273 B1 · Applicant: TEXACO DEVELOPMENT CORPORATION

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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, 1984 and granted May 25, 1988. A European patent lasts at most 20 years from filing, so its term ended March 19, 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 September 19, 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.
FiledMarch 19, 1984
PublishedDecember 5, 1984
GrantedMay 25, 1988
Term endedMarch 19, 2004
Application numberEP 84301855
Classification (CPC)C10J3/78 +2 more

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedMarch 19, 1984PublishedDec 5, 1984Patent grantedMay 25, 1988Term endedMarch 19, 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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