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Expired European patentEurope

Melamine containing corrosion inhibiting composition

EP 1041174 B1 · Applicant: Graichen, Stefan

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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 March 30, 1999 and granted June 30, 2004. A European patent lasts at most 20 years from filing, so its term ended March 30, 2019.
  • 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 September 30, 2024.
  • 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.
FiledMarch 30, 1999
PublishedOctober 4, 2000
GrantedJune 30, 2004
Term endedMarch 30, 2019
Application numberEP 99106518
Classification (CPC)C23F11/10

Timeline

Timeline From EPO dates

2000200220042006200820102012201420162018Application filedMarch 30, 1999PublishedOct 4, 2000Patent grantedJune 30, 2004Term endedMarch 30, 2019

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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