Isabella B. Romans, US1989380A
Prevention and Removal of Slime Formations.
Image credit: Romans, I.B. (1934)
On January 29, 1935, Isabella B. Romans of Tuckahoe, New York, was granted a patent for a method to prevent and remove slime buildup on condenser surfaces in power plants. The process used chloramines instead of chlorine to disinfect circulating water, improving efficiency and reducing maintenance costs.
Date of Application: 15 June 1934
Date of Issuance: 29 January 1935
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Francesca Chiaradia
PhD Student in Economics
My research interests include law and economics, economics of innovation, and information economics.