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Apparatus for reacting or dissolving a particulate solid and a liquid; apparatus and process for the production of phosphoric acid

EP 0033166 A2 · Applicant: Occidental Petroleum 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 December 29, 1978 and never granted as a European patent. Had it been granted, its 20-year term would have ended December 29, 1998.
  • 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 June 29, 2004.
  • 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.
FiledDecember 29, 1978
PublishedAugust 5, 1981
GrantedNever granted
Term endedDecember 29, 1998
Application numberEP 81101802
Classification (CPC)B01F21/10 +2 more

Timeline

Timeline From EPO dates

1979198119831985198719891991199319951997Application filedDec 29, 1978PublishedAug 5, 1981Term endedDec 29, 1998

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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