Isabella B. Romans, US1989380A

Prevention and Removal of Slime Formations.

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

For more information, please refer to the following webpage:

• Espacenet