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Catalyst and process for catalytically cracking a sulfur-containing hydrocarbon feed with reduced sulfur oxides emission during catalyst regeneration

EP 0032277 A1 · Applicant: EXXON RESEARCH AND ENGINEERING 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 January 10, 1980 and never granted as a European patent. Had it been granted, its 20-year term would have ended January 10, 2000.
  • 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 10, 2005.
  • 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 10, 1980
PublishedJuly 22, 1981
GrantedNever granted
Term endedJanuary 10, 2000
Application numberEP 80300105
Classification (CPC)B01J37/04 +2 more

Timeline

Timeline From EPO dates

1981198319851987198919911993199519971999Application filedJan 10, 1980PublishedJuly 22, 1981Term endedJan 10, 2000

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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