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Expired European patentEurope

Method and apparatus for recharging of silicon granules in Czochralski single crystal growing

EP 0712945 B1 · Applicant: SHIN-ETSU HANDOTAI COMPANY LIMITED

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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 November 10, 1995 and granted August 23, 2000. A European patent lasts at most 20 years from filing, so its term ended November 10, 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 May 10, 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.
FiledNovember 10, 1995
PublishedMay 22, 1996
GrantedAugust 23, 2000
Term endedNovember 10, 2015
Application numberEP 95117746
Classification (CPC)C30B15/02

Timeline

Timeline From EPO dates

1996199820002002200420062008201020122014Application filedNov 10, 1995PublishedMay 22, 1996Patent grantedAug 23, 2000Term endedNov 10, 2015

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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