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Expired European patentEurope

Water-based ink compositions and polymers useful for their preparation

EP 0766716 B1 · Applicant: SRI INTERNATIONAL

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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 April 12, 1995 and granted June 23, 2004. A European patent lasts at most 20 years from filing, so its term ended April 12, 2015.
  • 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 October 12, 2020.
  • 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.
FiledApril 12, 1995
PublishedApril 9, 1997
GrantedJune 23, 2004
Term endedApril 12, 2015
Application numberEP 95916191
Classification (CPC)C09D11/30 +1 more

Timeline

Timeline From EPO dates

1996199820002002200420062008201020122014Application filedApril 12, 1995PublishedApril 9, 1997Patent grantedJune 23, 2004Term endedApril 12, 2015

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.