DuPont Water Solutions (FilmTec)

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2 inputs DuPont Water Solutions (FilmTec) supplies

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Intelligence

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Sourced claims about this company's role in supply chains, chokepoints, concentration, incidents, dual-use connections.

• Did you know2023

  DuPont FilmTec's TFC reverse osmosis membranes simultaneously supply the drinking water supply chain (desalination for 300+ million people in water-scarce regions), the pharmaceutical manufacturing supply chain (pharmaceutical-grade "Water for Injection" and "Purified Water" USP systems in drug manufacturing require RO and ion exchange), and the semiconductor manufacturing supply chain (ultra-pure water for silicon wafer rinsing and semiconductor process chemistry requires multi-stage RO to achieve resistivity >18 MOhm). A TSMC or Intel semiconductor fab uses DuPont FilmTec membranes to produce the ultra-pure water that rinses chip surfaces between process steps; a Pfizer or Merck pharmaceutical plant uses FilmTec membranes to produce the water for injectables that go into IV bags; and a Saudi Aramco desalination plant uses FilmTec membranes to produce the drinking water for Saudi cities. Three critical supply chains — semiconductors, pharmaceuticals, and municipal water — share an upstream dependency on the membrane technology that John Cadotte invented in a Minneapolis suburb in 1977 for $17M.

  DuPont de Nemours ↗

• Origin2023

  The FilmTec thin-film composite (TFC) reverse osmosis membrane was invented in 1977 by John Cadotte and Robert Petersen at their start-up FilmTec Corporation in Edina, Minnesota — a suburb of Minneapolis. Cadotte had previously developed the first practical polyamide TFC membrane while working at North Star Research Institute, discovering that a chemically stable polyamide barrier layer on a polysulfone support could achieve dramatically better water flux and salt rejection than the cellulose acetate membranes that dominated RO at the time. FilmTec was acquired by Dow Chemical in 1985 for approximately $17 million — a transaction widely regarded as one of the most value-creative acquisitions in the chemical industry's history, as the technology acquired for $17M now underpins a multi-billion-dollar global water treatment business serving over 10,000 desalination and water reuse plants in 100+ countries. Dow later merged with DuPont in 2017, and the water solutions business became part of DuPont. The TFC membrane that Cadotte and Petersen invented in a Minnesota suburb now determines whether millions of people in Saudi Arabia, the UAE, Israel, Singapore, and California have access to potable water from seawater and brackish water sources.

  DuPont de Nemours ↗