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Expired Canadian patentCanada

Reactor for catalyzed exothermic reactions

CA 1112025 A · Owner: Tecnimont S.P.A. · Inventors: Gramatica, Giorgio

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A catalytic reactor for catalyzed exothermic reactions is disclosed having at least one catalyst layer characterized, in that each individual layer is arranged between two coaxial cylindrical shells, at least two inlets for the reacting gases to the catalyst being provided in one of said shells and at least two outlets in the other shell. The inlets are provided in the external cylindrical shell, and the outlets are provided in the internal cylindrical shell. The inlets and outlets consist of a plurality of openings made in said cylindrical shells and aligned on circumferences that are intersections of the cylindrical shells with equidistant planes perpendicular to the axis of said …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted November 10, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 10, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 21, 1977
GrantedNovember 10, 1981
Term endedNovember 10, 1998
Patent numberCA 1112025 A
Classification (IPC)B01J8/04 +2 more

Timeline

Timeline From CIPO dates

1978198119841987199019931996Application filedSep 21, 1977Patent grantedNov 10, 1981Term endedNov 10, 1998

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.