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Expired European patentEurope

High molecular weight alkylmethyl-alkylaryl siloxane terpolymers having low SiH content and methods for their preparation

EP 1094088 B1 · Applicant: DOW CORNING CORPORATION

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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 20, 2000 and granted January 11, 2006. A European patent lasts at most 20 years from filing, so its term ended October 20, 2020.
  • 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 20, 2026.
  • 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 20, 2000
PublishedApril 25, 2001
GrantedJanuary 11, 2006
Term endedOctober 20, 2020
Application numberEP 00122840
Classification (CPC)C08G77/38 +2 more

Timeline

Timeline From EPO dates

2001200320052007200920112013201520172019Application filedOct 20, 2000PublishedApril 25, 2001Patent grantedJan 11, 2006Term endedOct 20, 2020

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