Hard surface cleaning solution with rapid viricidal activity

Patent metadata

Field	Value
Publication number	US-12324432-B2
Application number	US-202016847275-A
Country	US
Kind code	B2
Filing date	Apr 13, 2020
Priority date	Apr 12, 2019
Publication date	Jun 10, 2025
Grant date	Jun 10, 2025

Abstract

The invention relates to fast-acting viricidal compositions and methods of using the same, wherein the compositions are capable of removing soil and effectively inactivating a wide variety of viral pathogens, particularly small, non-enveloped viruses such as poliovirus and norovirus. The compositions are especially useful on hard surfaces, and can easily be applied to a service to provide rapid viricidal efficacy.

First claim

What is claimed is:

1. A concentrated viricidal composition comprising:
between about 5 wt. % and about 10 wt. % of an anionic sulfonated surfactant comprising dodecylbenzene sulfonic acid;
between about 80 wt. % and about 90 wt. % of an aromatic alcohol solvent comprising benzyl alcohol;
between about 5 wt. % and about 10 wt. % of a nonionic surfactant comprising an ethylene oxide/propylene oxide (EO/PO) block copolymer; and
between about 0.01 wt. % and about 0.5 wt. % of a water conditioning agent comprising a diphosphonic acid; and
between about 0.01 wt. % and about 0.05 wt. % of sodium hydroxide;
wherein the ratio of aromatic alcohol solvent to anionic sulfonated surfactant is between about 8:1 and about 15:1;
wherein the composition has less than about 0.1 wt. % of added peroxide;
wherein the composition provides a pH of less than about 3 in a use solution formed with between about 90 wt. % water to about 98 wt. % water; and
wherein the composition provides at least about 3.5 log reduction in polio in about 1 minute or less.

2. The composition of claim 1 , wherein the composition further comprises an additional solvent.

3. The composition of claim 2 , wherein the additional solvent comprises a phenoxypropanol, dipropylene glycol n-butyl ether, tripropylene glycol butyl ether, or a mixture thereof.

4. The composition of claim 1 , wherein the composition provides a pH between about 2 and about 3 in the use solution.

5. The composition of claim 1 , wherein the composition further comprises an additional surfactant, an additional pH modifier, a buffering agent, a dye, a fragrance, a foaming agent, a surface active agent, a solubilizer, a coupling agent, a hydrotrope, a defoaming agent, or mixture thereof.

Assignees

• Ecolab Usa Inc

Inventors

• Wegner Joseph
• Levitt Mark

Classifications

• C11D3/43

  Solvents · CPC title

• C11D3/2034

  aromatic · CPC title

• C11D1/831

  of sulfonates with ethers of polyoxyalkylenes without phosphates · CPC title

• C11D1/722

  Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; {Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups (C11D1/721 takes precedence)} · CPC title

• C11D1/22

  derived from aromatic compounds · CPC title