Chemed Corporation

Norman Ellison Dewar

Said Ibrahim Raziq

Said I Razig

The invention disclosed is directed to liquid detergent-germicide compositions which include an antimicrobial active phenolic derivative in combination with hydroxyacetic acid and a detergent. The present compositions are found to have significant antimicrobial activity in water, even with low concentrations of the phenolic derivative, a low skin irritation factor, and good color stability without any substantial degree of darkening under conditions of light and heat which typically convert phenolic containing disinfectants to a dark color.

Detergent-germicide compositions

The invention disclosed provides new improved liquid detergent-germicide compositions and a method of using same. Generally, anti-microbially active alpha-halogenated fatty acid is combined with an anionic surface active agent and a monobasic and/or hydroxy monobasic organic acid. In a preferred embodiment, the anti-microbially active alpha-halogenated fatty acid is an alpha-brominated fatty acid.

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St. Louis, MO, United States of America

Norman Ellison Dewar