MULTI-PART KIT SYSTEM FOR THE PREPARATION OF A DISINFECTANT

1 . A multi-part kit system comprising:

(i) a solid part A which comprises 10 to 80 wt. % of at least one peroxy compound selected from the group consisting of KHSO 5 , K 2 5 2 O 8 , Na 2 S 2 O 8 , magnesium monoperoxyphthalate hexahydrate, sodium percarbonate, and sodium perborate; 0.1 to 10 wt. % of at least one MCl compound wherein M is selected from the group consisting of lithium, sodium and potassium; and 1 to 20 wt. % of at least one H 2 N(CH 2 ) n SO 3 H compound with n=0, 1, 2 or 3, wherein the wt. % of part A ingredients is based on the total weight of solid part A; and,

(ii) a liquid part B in the form of an aqueous solution which comprises 0 to 20 wt. % of nonionic surfactant; 3.6 to 20 wt. % of amphoteric surfactant; and 0.5 to 20 wt. % of at least one compound comprising substituted ammonium selected from the group consisting of dihydrocarbyl dimethylammonium halides, didecyl methyl-poly(oxyethyl)ammonium propionate, chlorhexidine gluconate, cetylpyridinium halide and polyhexamethylene biguanide hydrochloride, wherein at least one of the two hydrocarbyl residues comprises 8 to 18 carbon atoms, wherein halide means chloride or bromide, and wherein the wt. % of part B ingredients is based on the total weight of liquid part B.

2 . The multi-part kit system of claim 1 consisting of said solid part A and said liquid part B.

3 . The multi-part kit system of claim 1 or 2 , wherein the solid part A is a flowable powder or takes the form of pellets or tablets.

4 . The multi-part kit system of claim 1 , wherein the solid part A comprises KHSO 5 .

5 . The multi-part kit system of claim 4 , wherein the solid part A comprises no other peroxy compound than KHSO 5 .

6 . The multi-part kit system of claim 5 , wherein the KHSO 5 is present in the form of the triple salt 2KHSO 5 .KHSO 4 .K 2 SO 4 and the proportion of said triple salt is 20 to 98.9 wt. %, based on the total weight of solid part A.

7 . The multi-part kit system of claim 1 , wherein solid part A comprises H 2 N(CH 2 ) 2 SO 3 H.

8 . The multi-part kit system of claim 1 , wherein the solid part A comprises

36 to 87 wt. % of the triple salt 2KHSO 5 .KHSO 4 .K 2 SO 4 ;

0.2 to 2.6 wt. % of NaCl;

3 to 20 wt. % of H 2 N(CH 2 ) 2 SO 3 H; and

5 to 50 wt. % of one or more further additives selected from the group consisting of solid water-soluble inorganic fillers, solid pH-modifiers, dyes and peroxide decomposition stabilizers;

wherein the sum of the wt. % totals 100 wt. %.

9 . The multi-part kit system of claim 1 , wherein the liquid part B comprises 25 to 95.9 wt. % of water.

10 . The multi-part kit system of claim 1 , wherein the liquid part B comprises one or more dihydrocarbyl dimethylammonium chlorides selected from the group consisting of didecyldimethylammonium chloride and benzalkonium chlorides of the formula C 6 H 5 CH 2 (CH 3 ) 2 (C n H 2n+1 )N + Cl − with n=8, 10, 12, 14, 16 or 18.

11 . The multi-part kit system of claim 10 , wherein the liquid part B comprises none of the following compounds: didecyl methyl-poly(oxyethyl)ammonium propionate, chlorhexidine gluconate, cetylpyridinium chloride, cetylpyridinium bromide and polyhexamethylene biguanide hydrochloride.

12 . The multi-part kit system of claim 1 , wherein the liquid part B comprises

57 to 84 wt. % of water;

1 to 14 wt. % of nonionic surfactant;

6 to 20 wt. % of amphoteric surfactant;

2 to 18 wt. % of at least one compound selected from the group consisting of didecyldimethylammonium chloride and benzalkonium chlorides of the formula C 6 H 5 CH 2 (CH 3 ) 2 (C n H 2n+1 )N + Cl − with n=8, 10, 12, 14, 16 or 18; and

1 to 6 wt. % of one or more further additives selected from the group consisting of MCl compounds; hard water sequestrants; corrosion inhibitors; water-soluble solvents and peroxide decomposition stabilizers;

wherein the sum of the wt. % totals 100 wt. %.

13 . The multi-part kit system of claim 1 , wherein the solid part A comprises:

36 to 87 wt. % of the triple salt 2KHSO 5 .KHSO 4 .K 2 SO 4 ;

0.2 to 2.6 wt. % of NaCl;

3 to 20 wt. % of H 2 N(CH 2 ) 2 SO 3 H; and

5 to 50 wt. % of one or more further additives selected from the group consisting of solid water-soluble inorganic fillers, solid pH-modifiers, dyes and peroxide decomposition stabilizers; and

wherein the liquid part B comprises:

57 to 84 wt. % of water;

1 to 14 wt. % of nonionic surfactant;

6 to 20 wt. % of amphoteric surfactant;

2 to 18 wt. % of at least one compound selected from the group consisting of didecyldimethylammonium chloride and benzalkonium chlorides of the formula C 6 H 5 CH 2 (CH 3 ) 2 (C n H 2n+1 )N + Cl − with n=8, 10, 12, 14, 16 or 18; and

1 to 6 wt. % of one or more further additives selected from the group consisting of MCl compounds, hard water sequestrants, corrosion inhibitors, water-soluble solvents and peroxide decomposition stabilizers;

wherein the sum of the wt. % of all ingredients in part A totals 100 wt. % and the sum of the wt. % of all ingredients in part B totals 100 wt. %.

14 . The multi-part kit system of claim 1 , wherein the parts A and B are such that upon mixing with each other (and water) the weight ratio between the at least one peroxy compound and the at least one compound comprising substituted ammonium is 4:1 to 23:1.

15 . A process for the preparation of a RTU disinfectant comprising mixing all parts of the multi-part kit system of claim 1 and water in a ratio which ensures (i) a weight ratio between the at least one peroxy compound and the at least one compound comprising substituted ammonium in in the range of 4:1 to 23:1; and (ii) a total content of 0.07 to 1.5 wt. % of the at least one peroxy compound plus the at least one compound comprising substituted ammonium based on the total weight of the RTU disinfectant.