Patent Yard Sign in
Expired European patentEurope

Method of and device for fractionating a heterogeneous mixture of solid materials

EP 0243819 B1 · Applicant: ORGAN-FASER TECHNOLOGY COMPANY N.V.

EPO PDF

Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

Read the whole patent

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.

Why it's free to use

  • Filed April 16, 1987 and granted March 4, 1992. A European patent lasts at most 20 years from filing, so its term ended April 16, 2007.
  • 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 October 16, 2012.
  • 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.
FiledApril 16, 1987
PublishedNovember 4, 1987
GrantedMarch 4, 1992
Term endedApril 16, 2007
Application numberEP 87105674
Classification (CPC)B07B13/00 +2 more

Timeline

Timeline From EPO dates

1988199019921994199619982000200220042006Application filedApril 16, 1987PublishedNov 4, 1987Patent grantedMarch 4, 1992Term endedApril 16, 2007

Sources & verification