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Expired European patentEurope

Anti-wear additive composition for a low sulfur, low sulfated ash and low phosphorus lubricating oil composition for heavy duty diesel engines

EP 1760137 B1 · Applicant: Chevron Oronite Technology B.V.

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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 21, 2006 and granted April 4, 2012. A European patent lasts at most 20 years from filing, so its term ended August 21, 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 21, 2006
PublishedMarch 7, 2007
GrantedApril 4, 2012
Term endedAugust 21, 2026
Application numberEP 06254370
Classification (CPC)C10M159/16

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedAug 21, 2006PublishedMarch 7, 2007Patent grantedApril 4, 2012Term endedAug 21, 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

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