Proteolytic enzyme cleaner

A low foaming stabilized solid block enzyme-containing detergent composition, the composition being substantially free of an alkali metal hydroxide and free of a source of active chlorine, the composition comprising:

• (a) 10-90 wt % of a solidifying agent;
• (b) an effective proteolytic amount of an enzyme composition;
• (c) an effective enzyme stabilizing amount of water dispersible stabilizing system comprising an antioxidant composition an organic water soluble or dispersible polyol compound having 2-10 hydroxyl groups;
• (d) a water hardness sequestrant;
• (e) an effective building and sequestering amount of a composition comprising a builder salt or a sequestrant:
• and
• (f) a low foaming surfactant comprising a:
• R—(EO)e—(PO)pH;
• R—(EO)e—(BO)bh;
• R—(EO)e—R1;
• [R—(PO)p—(EO)eH];
• R—(PO)p—(EO)e—(PO)pH;
• R—(PO)p—(EO)e-benzyl;
• (PO)p—(EO)e—(PO)p;
• [(PO)p—(EO)e—]2—NCH2CHN—[(EO)e—(PO)p]2;
• or mixtures thereof;
• wherein R is a C6-18 alkyl group, a C6-18 alkyl or dialkyl phenol group, or a C6-18 alkyl-(PO)p-group;
• R1 is a C1-8 alkyl;
• each e is independently about 1-20, each p is independently about 1-20, and each b is independently about 1-10.

A low foaming stabilized particulate enzyme-containing detergent composition, the composition being substantially free of an alkali metal hydroxide and free of a source of active chlorine, the composition comprising:

• (a) an effective proteolytic amount of an enzyme composition;
• (b) an effective enzyme stabilizing amount of a water dispersible stabilizing system comprising an antioxidant composition and an organic water soluble or dispersible polyol compound having 2-10 hydroxyl groups;
• (c) a water hardness sequestrant;
• (d) an effective building and sequestering amount of a composition comprising a builder salt or a sequestrant:
• and
• (e) a low foaming surfactant comprising a:
• R—(EO)e—(PO)pH;
• R—(EO)e—(BO)bH;
• R—(EO)e—R1;
• [R—(PO)p—(EO)e—H];
• R—(PO)p—(EO)e—(PO)pH;
• R—(PO)p—(EO)e-benzyl;
• (PO)p—(EO)e—(PO)p;
• [(PO)p—(EO)e—]2—NCH2CH2N—[(EO)e—(PO)p]2;
• or mixtures thereof;
• wherein R is a C6-18 alkyl group, a C6-18 alkyl or dialkyl phenol group, or a C6-18 alkyl-(PO)p-group;
• R1 is a C1-8 alkyl;
• e is about 1-20, p is about 1-20, and b is about 1-10.

A two-part, low-foaming stabilized enzyme liquid detergent, the two part detergent being substantially free of an alkali metal hydroxide and free of a source of active chlorine, the two part detergent comprising a liquid enzyme part and an aqueous builder part, each part separately packaged to ensure enzyme activity when blended and used, said two part system comprising:

• (a) a liquid enzyme part comprising:
• (i) an active cleaning amount of a proteolytic enzyme;
• (ii) a stabilizing system comprising about 0.5 to 30 wt % of an antioxidant and about 1 to 25 wt % of a polyol;
• (iii) an effective building and sequestering amount of a composition comprising a builder salt or a sequestrant:
• and
• (iv) a liquid medium;
• and
• (v) an effective detersive amount of a low foaming surfactant comprising a:
• R—(EO)e—(PO)pH;
• R—(EO)e—(BO)bH;
• R—(EO)e—R1;
• [R—(PO)p—(EO)eH];
• R—(PO)p—(EO)e—(PO)pH;
• R—(PO)p—(EO)e-benzyl;
• (PO)p—(EO)e—(PO)p;
• [(PO)p—(EO)e—]2—NCH2CH2N—[(EO)e—(PO)p]2;
• or mixtures thereof;
• wherein R is a C6-18 alkyl group, a C6-18 alkyl or dialkyl phenol group, or a C6-18 alkyl-(PO)p-group;
• R1 is a C1-8 alkyl;
• each e is independently about 1-20, each p is independently about 1-20, and each b is independently about 1-10;
• and
• (b) an aqueous builder part comprising:
• (i) about 10 to 50 wt % of an alkali metal carbonate or an alkali metal silicate building salt, or a mixture thereof;
• and
• (ii) an effective amount of a water hardness sequestrant.