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Sang Hea Shim, Dennis P Bakalik, Donald A Johnson, Bo Yang, Frank F Lu: Carbon steel corrosion inhibitors. Nalco Chemical Company, James J Drake, Robert A Miller, December 31, 1996: US05589106 (39 worldwide citation)

The prevention of corrosion on the surfaces of metallic pipes, heat exchangers, and the like which are in contact with industrial cooling waters, and particularly industrial cooling waters containing low levels of hardness is controlled utilizing a corrosion inhibiting amount of a composition includ ...


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Sang Hea Shim, Chung Soo Kim: Method of controlling the growth of microorganisms. Acculab, The Webb Law Firm P C, March 11, 2008: US07341671 (1 worldwide citation)

Disclosed is a method of preparing a biocide having improved durability of its biocidal activity as well as disinfection efficiency at an initial stage, comprising the steps of: (a) preparing stabilized alkali or alkaline earth metal hypochlorite having a pH at least 11 by mixing a chlorine oxidant ...


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Sang Hea Shim, Chung Soo Kim: Method of controlling microbial fouling and a control system therefor. Acculab, Shanks & Herbert, TransPotomac Plaza, May 16, 2002: US20020056689-A1

A method of controlling microbial fouling is provided. The method controls microbial fouling using hypobromous acid, HOBr, formed by the reaction between an aqueous solution of alkali or alkaline earth metal hypochlorite and a bromide ion source. The method is characterized in that the alkali or alk ...


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Sang Hea Shim, Chung Soo Kim: Method of preparing a biocide comprising stabilized hypochlorite and a bromide ion source and a method of controlling microbial fouling using the same. The Webb Law Firm PC, July 7, 2005: US20050147528-A1

Disclosed is a method of preparing a biocide having improved durability of its biocidal activity as well as disinfection efficiency at an initial stage, comprising the steps of: (a) preparing stabilized alkali or alkaline earth metal hypochlorite having a pH at least 11 by mixing a chlorine oxidant ...



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