Method for inactivating viruses or bacteria

2:

• The method for inactivating viruses or bacteria according to claim 1, wherein the component (A) is one or more selected from the group consisting of compounds represented by the following general formula (a1) (hereinafter referred to as component (a1) and compounds represented by the following general formula (a2) (hereinafter referred to as component (a2)).
• wherein R1a is an aliphatic hydrocarbon group with 8 or more and 18 or less carbons, R2a is a group selected from the group consisting of an aliphatic hydrocarbon group with 8 or more and 18 or less carbons, an alkyl group with 1 or more and 3 or less carbons and a hydroxyalkyl group with 1 or more and 3 or less carbons, R3a and R4a each independently represent a group selected from the group consisting of an alkyl group with 1 or more and 3 or less carbons and a hydroxyalkyl group with 1 or more and 3 or less carbons, and X is an anion, and
• wherein R5a is an aliphatic hydrocarbon group with 8 or more and 18 or less carbons, R6a and R7a each independently represent a group selected from the group consisting of an alkyl group with 1 or more and 3 or less carbons and a hydroxyalkyl group with 1 or more and 3 or less carbons, and X− is an anion.

3:

• The method for inactivating viruses or bacteria according to claim 1, wherein the component (A) comprises a didecyldimethylammonium salt.

(canceled)

5:

• The method for inactivating viruses or bacteria according to claim 1, wherein the component (B) is one or more selected from the group consisting of dodecyl alcohol and tetradecyl alcohol.

6:

• The method for inactivating viruses or bacteria according to claim 1, wherein a mass ratio of a content of the component (B) to a content of the component (A) in the treatment liquid, (B)/(A), is 1/4 or more and 10/1 or less.

7:

• The method for inactivating viruses or bacteria according to claim 1, wherein a content of the component (A) in the treatment liquid is 5 ppm or more and 3000 ppm or less.

8:

• The method for inactivating viruses or bacteria according to claim 1, wherein the enveloped virus is an influenza virus.

9:

• The method for inactivating viruses or bacteria according to claim 1, wherein the surface of interest is a surface of a hard article.

10:

• The method for inactivating viruses or bacteria according to claim 1, wherein the surface of interest is a surface of a livestock animal or livestock breeding equipment.

11:

• The method for inactivating viruses or bacteria according to claim 2, wherein the component (a1) is a compound of the general formula (a1) in which R1a is an alkyl group with 8 or more and 14 or less carbons, R2a is an alkyl group with 8 or more and 14 or less carbons, R3a and R4a each independently represent an alkyl group with 1 or more and 3 or less carbons, and X− is an anion selected from the group consisting of a chloride ion, a bromide ion, an iodide ion, a methyl sulfate ion, an ethyl sulfate ion and a propyl sulfate ion, and the component (a2) is a compound of the general formula (a2) in which R5a is an alkyl group with 10 or more and 14 or less carbons, R6a and R7a each independently represent an alkyl group with 1 or more and 3 or less carbons, and X− is an anion selected from the group consisting of a chloride ion, a bromide ion, an iodide ion, a methyl sulfate ion, an ethyl sulfate ion and a propyl sulfate ion.

12:

• The method for inactivating viruses or bacteria according to claim 1, wherein a mass ratio of a content of the component (B) to a content of the component (A) in the treatment liquid, (B)/(A), is 1/4 or more and 7/1 or less.

13:

• The method for inactivating viruses or bacteria according to claim 1, wherein a content of the component (B) in the treatment liquid is 1 ppm or more.

14:

• The method for inactivating viruses or bacteria according to claim 1, wherein the treatment liquid further comprises (C) a surfactant other than component (A) (hereinafter referred to as component (C)).

15:

• The method for inactivating viruses or bacteria according to claim 14, wherein the component (C) is one or more selected from the group consisting of the group consisting of (C2) a nonionic surfactant (hereinafter referred to as component (C2)), (C3) a semipolar surfactant (hereinafter referred to as component (C3)) and (C4) an amphoteric surfactant (hereinafter referred to as component (C4)).