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If you need a patent that is not available online contact the British Library Business & IP Centre:
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Online patent
Reference list: Cox, A. and Lee, J. (2021) Water remediation system. UK Intellectual Property Office Patent no. GB2591282A. Available at: https://worldwide.espacenet.com/ (Accessed: 2 September 2021).
In-text citation: (Cox and Lee, 2021)
Printed patent
Reference list: Kruger, L.H. (1989) Degradation of granular starch. US Patent no.: US4838944.
In-text citation: (Kruger, 1989)