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Our history

The Ionisos group has been specialised in sterilisation, conservation and cross-linking for over 50 years

1956

  • Creation of the Lyon Centre for atomic application, first company in the world in the field of Ionising radiation treatment

1958

  • Order of the Prefecture of Ain authorising the creation of the first sterilisation unit in Dagneux using gamma radiation

1961

  • The Lyon Centre for atomic application becomes Conservatome
  • Opening of the Dagneux Sterilisation Unit (D1)

1962

  • Opening of a second sterilisation unit in Dagneux (D2)

1972

  • Opening of a third sterilisation unit with a significantly increased capacity (D3)

1978

  • Order authorising the companyConservatome to increase the maximum activity of the irradiation source of the installation named D3

1992

  • Opening of a new gamma sterilisation unit at Sablé Sur Sarthe

1993

  • Birth of the Ionisos Group following the fusion of Conservatome with AMPHYTRION, whose Pouzauges unit dedicated to gamma radiation and started in 1989, was the first in Europe built for the agri-food market

1997

  • The Ionisos Group acquires the company CARIC (Chaumesnil) to benefit from a second technology in the field of ionising radiation: “accelerated electrons” (Beta treatment)

2004

  • The Ionisos Group acquires a third sterilisation technology by opening its first ethylene oxide treatment site in Gien through its subsidiary STERYLENE

2007

  • The Ionisos Group starts its European development by buying the companyIONMED Beta treatment specialist in Spain

2016

  • The Ionisos Group continues its European development by benefiting from the entry into the group of IONISOS GmbH (formerly LEONI STUDER GmbH) situated in Bautzen in Germany specialised in cross-linking

2017

  • The Ionisos Group strengthens its position on the French market by integrating the company STERMED located near Lyon and specialised in treatment with Ethylene Oxide
  • The Ionisos Group  today announces the acquisition of Scandinavian Clinics Estonia, a specialist in sterilisation solutions. Established in 2005 and based in Estonia’s Harju County, Scandinavian Clinics Estonia is the Baltic specialist in gamma sterilisation.
9
Manufacturing Sites
162
Employees
4
Countries
1956
Year of creation

To know more about the Ionisos Group