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Expired European patentEurope

Microbial degradation of obnoxious organic wastes into innocuous material

EP 0167006 B1 · Applicant: OCCIDENTAL CHEMICAL 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 24, 1982 and granted March 6, 1991. A European patent lasts at most 20 years from filing, so its term ended September 24, 2002.
  • 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 24, 2008.
  • 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 24, 1982
PublishedJanuary 8, 1986
GrantedMarch 6, 1991
Term endedSeptember 24, 2002
Application numberEP 85106991
Classification (CPC)C12N15/00 +2 more

Timeline

Timeline From EPO dates

1983198519871989199119931995199719992001Application filedSep 24, 1982PublishedJan 8, 1986Patent grantedMarch 6, 1991Term endedSep 24, 2002

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.