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Expired European patentEurope

Processes for preparing thermoset compositions and tougheners

EP 1270618 B1 · Applicant: ROHM AND HAAS COMPANY

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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 June 13, 2002 and granted January 28, 2009. A European patent lasts at most 20 years from filing, so its term ended June 13, 2022.
  • 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.
FiledJune 13, 2002
PublishedJanuary 2, 2003
GrantedJanuary 28, 2009
Term endedJune 13, 2022
Application numberEP 02254118
Classification (CPC)C08F20/12

Timeline

Timeline From EPO dates

2003200520072009201120132015201720192021Application filedJune 13, 2002PublishedJan 2, 2003Patent grantedJan 28, 2009Term endedJune 13, 2022

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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