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Expired European patentEurope

Highly safe silicone-containing material for ocular lens and process for producing the same

EP 1582910 B1 · Applicant: Menicon 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 January 8, 2004 and granted April 27, 2011. A European patent lasts at most 20 years from filing, so its term ended January 8, 2024.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • 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.
FiledJanuary 8, 2004
PublishedOctober 5, 2005
GrantedApril 27, 2011
Term endedJanuary 8, 2024
Application numberEP 04700780
Classification (CPC)C08F290/068 +1 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedJan 8, 2004PublishedOct 5, 2005Patent grantedApril 27, 2011Term endedJan 8, 2024

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