Patent ID: 8012511

Claim:
An acidic composition of matter that is effective in the destruction of microorganisms and is not an irritant, produced by the process of: combining an acid selected from the group consisting of phosphoric acid, fumaric acid and acetic acid with water and a metallic sulfate selected from the group consisting of sodium sulfate, magnesium sulfate, zinc sulfate, manganese sulfate, and copper sulfate to provide a mixture (III); combining the mixture (III) in a pressurized vessel at a pressure that is 15 psi above atmospheric pressure and heating the mixture to temperatures in a range between approximately 250° F. and approximately 1200° F. to form mixture (IV); cooling the mixture (IV); and adding a stabilizer consisting of 10 weight percent to approximately 15 weight percent of mixture (III) to the cooled mixture (IV), providing a stable composition having a pH value below 2.