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Expired European patentEurope

Process for cross-linking shaped non-polar synthetic resins and electric objects insulated with said crosslinked resins

EP 0009268 B1 · Applicant: AKZO N.V.

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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 August 17, 1979 and granted December 1, 1982. A European patent lasts at most 20 years from filing, so its term ended August 17, 1999.
  • 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 February 17, 2005.
  • 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 17, 1979
PublishedApril 2, 1980
GrantedDecember 1, 1982
Term endedAugust 17, 1999
Application numberEP 79200459
Classification (CPC)C08K5/14 +1 more

Timeline

Timeline From EPO dates

1980198219841986198819901992199419961998Application filedAug 17, 1979PublishedApril 2, 1980Patent grantedDec 1, 1982Term endedAug 17, 1999

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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