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Expired European patentEurope

Silicone polyethers with arylalkyl groups

EP 1035154 B1 · Applicant: DOW CORNING CORPORATION

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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 February 21, 2000 and granted April 28, 2004. A European patent lasts at most 20 years from filing, so its term ended February 21, 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 August 21, 2025.
  • 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.
FiledFebruary 21, 2000
PublishedSeptember 13, 2000
GrantedApril 28, 2004
Term endedFebruary 21, 2020
Application numberEP 00301328
Classification (CPC)C08L83/10 +2 more

Timeline

Timeline From EPO dates

2001200320052007200920112013201520172019Application filedFeb 21, 2000PublishedSep 13, 2000Patent grantedApril 28, 2004Term endedFeb 21, 2020

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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