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Expired European patentEurope

Storage-stable polyacrylate modified melamine resin solution, process for its preparation and its use

EP 0026841 B1 · Applicant: CASSELLA Aktiengesellschaft

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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 30, 1980 and granted May 16, 1984. A European patent lasts at most 20 years from filing, so its term ended August 30, 2000.
  • 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 March 2, 2006.
  • 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 30, 1980
PublishedApril 15, 1981
GrantedMay 16, 1984
Term endedAugust 30, 2000
Application numberEP 80105172
Classification (CPC)D21H17/37 +2 more

Timeline

Timeline From EPO dates

1981198319851987198919911993199519971999Application filedAug 30, 1980PublishedApril 15, 1981Patent grantedMay 16, 1984Term endedAug 30, 2000

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.