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Expired European patentEurope

Process for the homogenization of a mixture of aqueous residual liquids with liquid fuels or solids

EP 0225199 B1 · Applicant: SODECIM

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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 26, 1986 and granted July 25, 1990. A European patent lasts at most 20 years from filing, so its term ended September 26, 2006.
  • 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 26, 2012.
  • 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 26, 1986
PublishedJune 10, 1987
GrantedJuly 25, 1990
Term endedSeptember 26, 2006
Application numberEP 86402110
Classification (CPC)C10L1/328 +1 more

Timeline

Timeline From EPO dates

1987198919911993199519971999200120032005Application filedSep 26, 1986PublishedJune 10, 1987Patent grantedJuly 25, 1990Term endedSep 26, 2006

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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