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Expired European patentEurope

Process for producting an epitaxial layer on a semiconductor wafer

EP 1160360 B1 · Applicant: Wacker Siltronic Gesellschaft für Halbleitermaterialien Aktiengesellschaft

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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 May 10, 2001 and granted September 11, 2002. A European patent lasts at most 20 years from filing, so its term ended May 10, 2021.
  • 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.
FiledMay 10, 2001
PublishedDecember 5, 2001
GrantedSeptember 11, 2002
Term endedMay 10, 2021
Application numberEP 01111147
Classification (CPC)C30B25/02 +1 more

Timeline

Timeline From EPO dates

2002200420062008201020122014201620182020Application filedMay 10, 2001PublishedDec 5, 2001Patent grantedSep 11, 2002Term endedMay 10, 2021

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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