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Patents have been used to protect intellectual property since the 15th century. These patents and their scientific papers can provide a history of the development of a particular technology especially if it has commercial applications. Since the discovery in the 19th century that ultraviolet light will inactivate microorganisms it has been exploited for commercial purposes. This paper will explain what a patent is and what privileges it provides. This review will trace the development of the UV disinfection of water and wastewater by using primarily United States patents and scientific papers by the inventors. Patents and their accompanying research papers will show the development of pressurized and non-pressurized UV systems for drinking water and wastewater.

Document Type: Research Article


Publication date: 2002-01-01

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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