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Expired European patentEurope

Continuous preparation of dispersions of microcapsules

EP 0164666 B1 · Applicant: BAYER AG

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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 June 1, 1985 and granted November 23, 1988. A European patent lasts at most 20 years from filing, so its term ended June 1, 2005.
  • 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 December 1, 2010.
  • 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 1, 1985
PublishedDecember 18, 1985
GrantedNovember 23, 1988
Term endedJune 1, 2005
Application numberEP 85106762
Classification (CPC)C08G18/0866 +2 more

Timeline

Timeline From EPO dates

1986198819901992199419961998200020022004Application filedJune 1, 1985PublishedDec 18, 1985Patent grantedNov 23, 1988Term endedJune 1, 2005

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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