Amersham plc

Amersham plc was a manufacturer of radiopharmaceutical products, to be used in diagnostic and therapeutic nuclear medicine procedures. The company became GE Healthcare following a takeover in 2003, which is based at the original site in Amersham, Buckinghamshire.

Amersham plc
Formerly
The Radiochemical Centre at Amersham
The Radiochemical Centre Ltd
Amersham International plc
Private
IndustryHealth care
FateAcquired by GE Healthcare
Founded1946 (1946)
Defunct2003 (2003)
Headquarters
Amersham, Buckinghamshire
,
United Kingdom
Websitewww.amersham.com/ 

History

Chilcote House in Amersham was first used for extraction of radium from radium concentrates in 1940, under Walter Patrick Grove. Over the next four years over 500 kilograms of radium bromide was produced, to be used to make luminous dials and instruments.[1] In 1946 the facility was taken over by the Ministry of Supply and it became known as the “national centre for the processing and distribution of radium, radon and artificial radioactive substances for scientific, medical and industrial purposes”.[2] With a new focus on healthcare and industrial applications, the site was expanded and by 1949 when the name changed to "The Radiochemical Centre (TRC), Amersham", production included radium gas capsules for cancer treatment and carbon-14. The following year it became an outstation of the Atomic Energy Research Establishment (UKAERA) at Harwell, processing materials produced in its reactors.[1][3]

By the 1960s, TRC had over 1000 catalogue items, using over 100 isotopes and exporting to 60 countries. A cyclotron was installed, the first for medical isotope production.[2] With restructuring of the UKAERA in 1971, TRC became a limited company.[4] By this time TRC had several international subsidiaries, and in 1976 work began on a second production site in Cardiff.

The Radiochemical Centre Limited became Amersham International Limited in 1981 and was the first company to be privatised by the Thatcher Government [1] in 1982 under the new name Amersham International plc.[3] It was the first privatisation in which the government sold 100% of its shares in a company. The offer was 24.6 times subscribed, meaning the share price rose from 142p per share to 188p per share by closing on the first day.[5] The government retained a special share, allowing the veto of any outsourcing attempts, until it was redeemed in 1988.

In the early 1990s, the in-vitro diagnostic assay business was divested to a joint venture with Eastman Kodak called Amerlite Diagnostics Ltd, this was later wholly acquired by Eastman Kodak and renamed Kodak Clinical Diagnostics Ltd. This business was sold by Kodak to Johnson & Johnson and became known as Johnson & Johnson Clinical Diagnostics Ltd. The business is now called Ortho-Clinical Diagnostics Ltd.

In 1997 Pharmacia Biotech (Sweden), then owned by Pharmacia & Upjohn, was fused with Amersham Life Science and renamed Amersham Pharmacia Biotech.[6] The Pharmacia name of this subsidiary was later dropped when Pharmacia & Upjohn sold its share of the company to Amersham plc, and changed its name to Amersham Biosciences in 2001.

In 1997, Amersham merged with Nycomed (Norway)[6] to form Nycomed Amersham plc. In 1999, the Nycomed Pharma subsidiary was sold to Nordic Capital, and in 2001 Nycomed Amersham plc was renamed to Amersham plc.

In 2004, Amersham was acquired by the American firm General Electric (GE) and incorporated into the GE Healthcare business segment.[7]

Operations

The global headquarters of GE Healthcare is in Little Chalfont (near Amersham). It is the first GE business unit headquarters outside the United States.

In 2018 part of the company's 30-acre (12 ha) Cardiff site was sold for redevelopment as operations consolidated into a smaller area.[8]

Amersham's former business segments became GE Healthcare Medical Diagnostics and GE Healthcare Life Sciences.

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See also

References
  1. Clutterbuck, John. "Amersham's Modern Alchemists". Amersham Museum. Retrieved 6 November 2018.
  2. Kitson, Sean L. (August 2007). "Amersham radiochemistry to GE Healthcare". Journal of Labelled Compounds and Radiopharmaceuticals. 50 (9–10): 737–745. doi:10.1002/jlcr.1427.
  3. "The findings of NII's assessment of Amersham plc's 'site' periodic safety review". HM Nuclear Installations Inspectorate. April 2002. Retrieved 12 June 2009. Cite journal requires |journal= (help)
  4. Walter C. Patterson (1985). Going Critical: An Unofficial History of British Nuclear Power (PDF). Paladin. ISBN 0-586-08516-5. Retrieved 12 June 2009.
  5. "House of Commons Library Research Paper" (PDF). 2014.
  6. "Amersham plc – Our Heritage". Archived from the original on 2 February 2004. Retrieved 2 February 2004.
  7. "General Electric buys Amersham". BBC. 10 October 2003. Retrieved 12 June 2009.
  8. Barry, Sion (28 May 2018). "Huge GE Healthcare site in Cardiff acquired in a £18m deal". walesonline.
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