Expired European patentEurope
Process for the preparation of methanol by hydrogenation of carbon monoxide in the presence of a catalyst containing a conductive organic polymer such as polypyrrole
EP 0130895 B1 · Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel
Overview
The published document from the EPO: abstract, claims, description and drawings. Open it full size
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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.
Why it's free to use
- Filed June 22, 1984 and granted November 5, 1986. A European patent lasts at most 20 years from filing, so its term ended June 22, 2004.
- 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 22, 2009.
- 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 22, 1984
PublishedJanuary 9, 1985
GrantedNovember 5, 1986
Term endedJune 22, 2004
Application numberEP 84401316
Classification (CPC)C25B3/25 +2 more
Timeline
Timeline From EPO dates
Sources & verification
Official EPO records
Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.