Compositions, systems and method for in situ generation of alkalinity
AssigneeEcolab USA Inc.
InventorsKim R. Smith, Thomas R. Mohs, Erik C. Olson, Anthony W. Erickson, Gregory G. Griese, Eric R. Balz, Joy G. Herdt, Keith E. Olson
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Abstract
The invention discloses compositions, methods and systems for generating alkalinity in situ. The compositions, methods and systems relate to the use of a manganese decomposition agent to catalyze the decomposition of a dilute peroxygen source providing highly alkaline cleaning compositions in situ. Methods of cleaning are also disclosed.
Claims32
An industrial, household, health care and/or vehicle hard surface cleaning composition comprising:
- a peroxygen source having concentration between about 0.01-10% and a pH between about 7-10;
- and
- a manganese decomposition agent having a concentration from about 0.5 ppm to about 10%, wherein said decomposition agent catalyzes the decomposition of said peroxygen source to form hydroxide anions sufficient to increase the pH by greater than about 3;
- wherein said pH is suitable for industrial, household, health care and/or vehicle hard surface cleaning.
An industrial, household, health care and/or vehicle hard surface cleaning composition comprising:
- a dilute peroxygen source having a concentration between about 0.01-10% and a pH between about 7 and 10;
- and
- a manganese decomposition agent, wherein said decomposition agent catalyzes the decomposition of said peroxygen source to form hydroxide anions sufficient to increase the pH by greater than about 4;
- wherein said pH is suitable for industrial, household, health care and/or vehicle hard surface cleaning and wherein the increase in pH generated does not employ an alkali metal hydroxide or other alkaline compound.
An industrial, household, health care and/or vehicle hard surface cleaning composition comprising:
- a dilute peroxygen source having a concentration between about 0.1-3% and a pH between about 7 and 10;
- a cleaning agent having a pH between about 7 and about 10;
- and
- a manganese decomposition agent, wherein said decomposition agent catalyzes the decomposition of said peroxygen source to hydroxide anions sufficient to increase the pH by greater than about 4;
- wherein said pH is suitable for industrial, household, health care and/or vehicle hard surface cleaning and wherein the increase in pH generated does not employ an alkali metal hydroxide or other alkaline compound.
A system for generating alkalinity in situ for industrial, household, health care and/or vehicle hard surface cleaning, comprising:
- a cleaning composition comprising a peroxygen source having a concentration between about 01-10% and a pH between about 7 and 10 and a manganese decomposition agent capable of catalyzing the decomposition of said peroxygen source to form hydroxide anions sufficient to increase the pH by greater than about 3;
- wherein said pH is suitable for industrial, household, health care and/or vehicle hard surface cleaning and wherein the increase in pH generated does not employ an alkali metal hydroxide or other alkaline compound;
- and
- a cartridge or dispenser.
A method for generating alkalinity in situ for industrial, household, health care and/or vehicle hard surface cleaning, comprising:
- combining a peroxygen source having a concentration between about 0.01-10% and a pH between about 7 and 10 with a manganese decomposition agent capable of catalyzing the decomposition of said peroxygen source:
- generating an increase in pH of at least about 3 by decomposing the peroxygen source to form hydroxide anions without the use of an alkali metal hydroxide or other alkaline compound, thereby generating an alkaline cleaning composition having a pH greater than about 10 at a desired point of use for said alkaline industrial, household, health care and/or vehicle surface cleaning composition;
- and
- applying said alkaline cleaning composition to an industrial, household, health care and/or vehicle surface in need of cleaning.
A method of cleaning industrial, household, health care and/or vehicle hard surfaces, comprising:
- providing an article selected from the group consisting of an industrial, household, health care and vehicle surface in need of treatment with an alkaline detergent;
- and
- contacting the article with an effective amount of a cleaning composition, the composition comprising:
- a dilute peroxygen source having a concentration between about 0.01-10% and a pH between about 7 and 10;
- and a manganese decomposition agent, wherein said decomposition agent catalyzes the decomposition of said peroxygen source to form hydroxide anions sufficient to increase the pH by greater than about 4 without the use of an alkali metal hydroxide or other alkaline compound.
Dependencies are inferred from the claim text.