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Expired European patentEurope

Catalytic cracking process using powdered zeolite catalysts

EP 0107375 B1 · Applicant: MOBIL OIL 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 September 27, 1983 and granted May 28, 1986. A European patent lasts at most 20 years from filing, so its term ended September 27, 2003.
  • 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 March 27, 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.
FiledSeptember 27, 1983
PublishedMay 2, 1984
GrantedMay 28, 1986
Term endedSeptember 27, 2003
Application numberEP 83305769
Classification (CPC)C10G11/05

Timeline

Timeline From EPO dates

1984198619881990199219941996199820002002Application filedSep 27, 1983PublishedMay 2, 1984Patent grantedMay 28, 1986Term endedSep 27, 2003

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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