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Expired European patentEurope

Procedure for separation, identification, and quantification of isoenzymes and isoforms of the alkaline phosphatase

EP 0495346 B1 · Applicant: ANALIS S.A.

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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 23, 1991 and granted May 15, 1996. A European patent lasts at most 20 years from filing, so its term ended December 23, 2011.
  • 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 23, 2017.
  • 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 23, 1991
PublishedJuly 22, 1992
GrantedMay 15, 1996
Term endedDecember 23, 2011
Application numberEP 91870218
Classification (CPC)C12Q1/007 +2 more

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedDec 23, 1991PublishedJuly 22, 1992Patent grantedMay 15, 1996Term endedDec 23, 2011

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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