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Expired European patentEurope

Highly volatile polyether-Modiifed silicone surfactant

EP 1760140 B1 · Applicant: Shin-Etsu Chemical 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.

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Why it's free to use

  • Filed August 25, 2006 and granted December 17, 2008. A European patent lasts at most 20 years from filing, so its term ended August 25, 2026.
  • 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.
FiledAugust 25, 2006
PublishedMarch 7, 2007
GrantedDecember 17, 2008
Term endedAugust 25, 2026
Application numberEP 06254446
Classification (CPC)C08G77/46 +2 more

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedAug 25, 2006PublishedMarch 7, 2007Patent grantedDec 17, 2008Term endedAug 25, 2026

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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