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Expired European patentEurope

Method of producing a silver halide photographic emulsion, apparatus for the same, method of measuring a silver or halogen ion concentration and an apparatus for the same

EP 0709723 B1 · Applicant: Fuji Photo Film Co., Ltd.

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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.

Why it's free to use

  • Filed October 27, 1995 and granted October 11, 2000. A European patent lasts at most 20 years from filing, so its term ended October 27, 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 April 27, 2021.
  • 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.
FiledOctober 27, 1995
PublishedMay 1, 1996
GrantedOctober 11, 2000
Term endedOctober 27, 2015
Application numberEP 95117000
Classification (CPC)G03C1/015

Timeline

Timeline From EPO dates

1996199820002002200420062008201020122014Application filedOct 27, 1995PublishedMay 1, 1996Patent grantedOct 11, 2000Term endedOct 27, 2015

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