Powdered automatic dishwashing composition containing enzymes

Claim 2

A free flowing powdered dishwashing composition having improved enzymes stability consisting essentially of a physical mixture of agglomerated beads having a maximum particle size of less than about 2,000 microns of at least one alkali metal detergent builder salt selected from the group consisting of an alkali metal carbonate and an alkali metal citrate and mixtures thereof, an alkali metal silicate, a low molecular weight noncrosslinked polyacrylate homopolymer, a low molecular weight non crosslinked polyacrylate copolymer, an alkali metal sulfate and a nonionic surfactant and a blend portion of the composition comprising at least one protease enzyme and an amylase enzyme, wherein the maximum particle size of the particles of said blend are less than about 2,000 microns, wherein the agglomerated beads comprises a core of at least one said alkali metal detergent builder salt, said alkali metal silicate, said low molecular weight non crosslinked polyacrylate polymer, said low molecular weight polyacrylate copolymer, and said alkali metal sulfate and a coating absorbed on said core of said alkali metal detergent builder salt, said alkali metal silicate, said low molecular weight noncrosslinked polyacrylate homopolymer, said low molecular weight polyacrylate copolymer, and said alkali metal sulfate, said coating comprising said nonionic surfactant, wherein the dishwashing composition consisting essentially of approximately by weight: (a) 2 to 40 percent of at least one said alkali metal detergent builder salt; (b) 3 to 30 percent of said alkali metal silicate; (c) 1 to 10 percent of said low molecular weight non crosslinked polyacrylate homopolymer; (d) 1.0 to 12.0 percent of said nonionic surfactant; (e) 0 to 1.5 percent of said anti-foaming agent; (f) 0.5 to 6.0% of said low molecular weight noncrosslinked polyacrylate copolymer, said copolymer being selected from the group consisting of a copolymer of an acrylate and olefin and a copolymer of an acrylate and maleic anhydride; (g) 5 to 45% of said alkali metal sulfate; (h) 0.5 to 15.0 percent of at least one said protease enzyme; and (i) 0.3 to 8.0 percent of said amylase enzyme, said composition having less than 8.0 weight percent of water.

Claim 3

The composition according to claim 1 further including about 0.5 to about 17.0 weight percent of an alkali metal perborate, such alkali metal perborate being mixed in said blend portion of at least one said protease enzyme and said amylase enzyme.

Claim 4

The composition according to claim 2 further including 0.1 to 5.0 weight percent of an alkali metal perborate activator, said alkali metal perborate activator being mixed-in said blend of at least one said protease enzyme said amylase enzyme, and said alkali metal perborate.

Claim 5

The composition according to claim 2, further including 0 to about 8.0 weight percent of a lipase enzyme.

Claim 6

The composition according to claim 1 further including about 0.5 to about 20.0 weight percent of an alkali metal perborate, said alkali metal perborate being disposed in said core of said agglomerated beads.

Claim 7

The composition according to claim 1 further including about 0.1 to about 20.0 weight percent of a sodium alumino silicate.

Claim 8

A free flowing powdered dishwashing composition having improved enzymes stability consisting essentially of a physical mixture of agglomerated beads having a maximum particle size of less than about 2,000 microns of at least one alkali metal detergent builder salt selected from the group consisting of an alkali metal carbonate and an alkali metal citrate and mixtures thereof, an alkali metal silicate, a low molecular weight noncrosslinked polyacrylate homopolymer, a low molecular weight noncrosslinked polyacrylate copolymer, an alkali metal sulfate and a nonionic surfactant and a blend portion of the composition comprising at least one protease enzyme, and an amylase enzyme, wherein the maximum particle size of the particles of said blend are less than about 2,000 microns, wherein the agglomerated beads comprises a core of at least one said alkali metal detergent builder salt and said alkali metal silicate and a coating absorbed on said core of said alkali metal detergent builder salt and said alkali metal silicate, said coating comprising a mixture of said nonionic surfactant, said low molecular weight noncrosslinked polyacrylate homopolymer, said low molecular weight noncrosslinked polyacrylate copolymer, and said alkali metal sulfate, wherein the dishwashing composition consisting essentially of approximately by weight: (a) 2 to 40 percent of at least one said alkali metal detergent builder salt; (b) 3 to 30 percent of said alkali metal silicate; (c) 1 to 10 percent of said low molecular weight non crosslinked polyacrylate homopolymer; (d) 1.0 to 12.0 percent of said nonionic surfactant; (e) 0 to 1.5 percent of said anti-foaming agent; (f) 0.5 to 6% of a low molecular weight noncrosslinked polyacrylate copolymer, said copolymer being selected from the group consisting of a copolymer of an acrylate and olefin and a copolymer of an acrylate and maleic anhydride; (g) 5 to 45% of an alkali metal sulfate; (h) 0.5 to 15.0 percent of at least one said protease enzyme; and (i) 0.3 to 8.0 percent of said amylase enzyme, said composition having less than 8.0 weight percent of water.

Claim 9

A free flowing powdered dishwashing composition having improved enzymes stability consisting essentially of a physical mixture of agglomerated beads having a maximum particle size of less than about 2,000 microns of at least one alkali metal detergent builder salt selected from the group consisting of an alkali metal carbonate and an alkali metal citrate and mixtures thereof, an alkali metal silicate, a low molecular weight noncrosslinked polyacrylate homopolymer, a low molecular weight noncrosslinked polyacrylate copolymer, an alkali metal sulfate and a nonionic surfactant and a blend portion of the composition comprising at least one protease enzyme, and an amylase enzyme, wherein the maximum particle size of the particles of said blend are less than about 2,000 microns, wherein the agglomerated beads comprises a core of at least one said alkali metal detergent builder salt and said alkali metal silicate and a coating absorbed on said core of said alkali metal detergent builder salt and said alkali metal silicate, said coating comprising a mixture of said nonionic surfactant, said low molecular weight noncrosslinked polyacrylate homopolymer, said low molecular weight noncrosslinked polyacrylate copolymer, and said alkali metal sulfate, wherein the dishwashing composition consisting essentially of approximately by weight: (a) 2 to 40 percent of at least one said alkali metal detergent builder salt; (b) 3 to 30 percent of said alkali metal silicate; (c) 1 to 10 percent of said low molecular weight non crosslinked polyacrylate homopolymer; (d) 1.0 to 12.0 percent of said nonionic surfactant; (e) 0 to 1.5 percent of said anti-foaming agent; (f) 0.5 to 6% of a low molecular weight noncrosslinked polyacrylate copolymer, said copolymer being selected from the group consisting of a copolymer of an acrylate and olefin and a copolymer of an acrylate and maleic anhydride; (g) 5 to 45% of an alkali metal sulfate; (h) 0.5 to 15.0 percent of at least one said protease enzyme; and (i) 0.3 to 8.0 percent of said amylase enzyme, said composition having less than 8.0 weight percent of water.

Claim 10

The composition according to claim 7 further including about 0.5 to about 17.0 weight percent of an alkali metal perborate, said alkali metal perborate being mixed in said blend portion of at least one said protease enzyme and said amylase enzyme.

Claim 11

The composition according to claim 8 further including 0.1 to 5.0 weight percent of an alkali metal perborate activator, said alkali metal perborate activator being mixed in said blend of at least one said protease enzyme, said amylase enzyme, and said alkali metal perborate.

Claim 12

The composition according to claim 7, further including 0 to about 8.0 weight percent of a lipase enzyme.

Claim 13

The composition according to claim 7 further including about 0.5 to about 20.0 weight percent of an alkali metal perborate, said alkali metal perborate being disposed in said core of said agglomerated beads.

Claim 14

The composition according to claim 7 further including about 0.1 to about 20.0 weight percent of a sodium alumino silicate.

Claim 15

A free flowing powdered dishwashing composition having improved enzymes stability consisting essentially of a physical mixture of agglomerated beads having a maximum particle size of less than about 2,000 microns of at least one alkali metal detergent builder salt selected from the group consisting of an alkali metal carbonate and an alkali metal citrate and mixtures thereof, an alkali metal silicate, a low molecular weight noncrosslinked polyacrylate homopolymer, a low molecular weight noncrosslinked polyacrylate copolymer, an alkali metal sulfate and a nonionic surfactant and a blend portion of the composition comprising at least one protease enzyme and an amylase enzyme wherein the maximum particle size of the particles of said blend are less than about 2,000 microns, wherein the agglomerated beads comprises a core of at least one said alkali metal detergent builder salt, said low molecular weight noncrosslinked polyacrylate homopolymer, said alkali metal sulfate and said low molecular weight non crosslinked polyacrylate copolymer and a first coating absorbed on said core of said alkali metal detergent builder salt, said low molecular weight noncrosslinked polyacrylate homopolymer, said alkali metal sulfate and said low molecular weight non crosslinked polyacrylate copolymer, said first coating comprising said nonionic surfactant and a second coating deposited on said first coating, said second coating comprising said alkali metal silicate, wherein the dishwashing composition consists essentially of approximately by weight: (a) 2 to 40 percent of at least one said alkali metal detergent builder salt; (b) 3 to 30 percent of said alkali metal silicate; (c) 1 to 10 percent of said low molecular weight non crosslinked polyacrylate homopolymer; (d) 1.0 to 12.0 percent of said nonionic surfactant; (e) 0 to 1.5 percent of said anti-foaming agent; (f) 0.5 to 6.0% of a said low molecular weight non crosslinked polyacrylate copolymer, said Copolymer being selected from the group consisting of a copolymer of an acrylate and olefin and a copolymer of an acrylate and maleic anhydride; (g) 4 to 45% of said alkali metal sulfate; (h) 0.5 to 15.0 percent of at least one said protease enzyme; and (i) 0.3 to 8.0 percent of said amylase enzyme, said composition having less than 8.0 weight percent of water.

Claim 16

A free flowing powdered dishwashing composition having improved enzymes stability consisting essentially of a physical mixture of agglomerated beads having a maximum particle size of less than about 2,000 microns of at least one alkali metal detergent builder salt selected from the group consisting of an alkali metal carbonate and an alkali metal citrate and mixtures thereof, an alkali metal silicate, a low molecular weight noncrosslinked polyacrylate homopolymer, a low molecular weight noncrosslinked polyacrylate copolymer, an alkali metal sulfate and a nonionic surfactant and a blend portion of the composition comprising at least one protease enzyme and an amylase enzyme wherein the maximum particle size of the particles of said blend are less than about 2,000 microns, wherein the agglomerated beads comprises a core of at least one said alkali metal detergent builder salt, said low molecular weight noncrosslinked polyacrylate homopolymer, said alkali metal sulfate and said low molecular weight non crosslinked polyacrylate copolymer and a first coating absorbed on said core of said alkali metal detergent builder salt, said low molecular weight noncrosslinked polyacrylate homopolymer, said alkali metal sulfate and said low molecular weight non crosslinked polyacrylate copolymer, said first coating comprising said nonionic surfactant and a second coating deposited on said first coating, said second coating comprising said alkali metal silicate, wherein the dishwashing composition consists essentially of approximately by weight: (a) 2 to 40 percent of at least one said alkali metal detergent builder salt; (b) 3 to 30 percent of said alkali metal silicate; (c) 1 to 10 percent of said low molecular weight non crosslinked polyacrylate homopolymer; (d) 1.0 to 12.0 percent of said nonionic surfactant; (e) 0 to 1.5 percent of said anti-foaming agent; (f) 0.5 to 6.0% of a said low molecular weight non crosslinked polyacrylate copolymer, said Copolymer being selected from the group consisting of a copolymer of an acrylate and olefin and a copolymer of an acrylate and maleic anhydride; (g) 4 to 45% of said alkali metal sulfate; (h) 0.5 to 15.0 percent of at least one said protease enzyme; and (i) 0.3 to 8.0 percent of said amylase enzyme, said composition having less than 8.0 weight percent of water.

Claim 17

The composition according to claim 13 further including about 0.5 to about 17.0 weight percent of an alkali metal perborate, said alkali metal perborate being mixed in said blend portion of at least one said protease enzyme and said amylase enzyme.

Claim 18

The composition according to claim 14 further including 0.1 to 5.0 weight percent of an alkali metal perborate activator, said alkali metal perborate activator being mixed in said blend of at least one said protease enzyme, said amylase enzyme and said alkali metal perborate.

Claim 19

The composition according to claim 13, further including 0 to about 8.0 weight percent of a lipase enzyme.

Claim 20

The composition according to claim 13 further including about 0.5 to about 20.0 weight percent of an alkali metal perborate, said alkali metal perborate being disposed in said core of said agglomerated beads.

Claim 21

The composition according to claim 17 further including about 0.1 to about 5.0 weight percent of an alkali metal perborate activator, said alkali metal perborate activator being mixed in said blend of at least one said protease enzyme and said amylase enzyme.

Claim 22

The composition according to claim 13 further including about 0.1 to about 20.0 weight percent of a sodium alumino silicate.

Claim 23

A free tic;wing powdered automatic dishwashing composition which consists essentially of approximately by weight: (a) 2.0 to 40.0 percent of at least one alkali metal detergent builder salt, said detergent builder salt being selected from the group consisting of an alkali metal carbonates and an alkali metal citrates and mixtures thereof; and (b) 1 to 10.0 percent of a low molecular weight polyacrylate homopolymer; (c) 1.0 to 12.0 percent of a liquid nonionic surfactant; (d) 3 to 30.0 percent of an alkali metal silicate; (e) 0 to 1.5 percent of an anti-foaming agent; (f) 0.5 to 6% of a low molecular noncrosslinked polyacrylate copolymer, said copolymer being selected from the group consisting of a copolymer of an acrylate and olefin and a copolymer of an acrylate and maleic anhydride; (g) 5 to 45% of an alkali metal sulfate; (h) 0.5 to 15.0 percent of a protease enzyme derived from bacillus alcalophylus; (i) 0.3 to 8.0 percent of an amylase enzyme, the individual powdered particles of said composition having a maximum particle size of less than about 2,000 microns and said composition having less than 8.0 weight percent of water.

Claim 24

A free tic;wing powdered automatic dishwashing composition which consists essentially of approximately by weight: (a) 2.0 to 40.0 percent of at least one alkali metal detergent builder salt, said detergent builder salt being selected from the group consisting of an alkali metal carbonates and an alkali metal citrates and mixtures thereof; and (b) 1 to 10.0 percent of a low molecular weight polyacrylate homopolymer; (c) 1.0 to 12.0 percent of a liquid nonionic surfactant; (d) 3 to 30.0 percent of an alkali metal silicate; (e) 0 to 1.5 percent of an anti-foaming agent; (f) 0.5 to 6% of a low molecular noncrosslinked polyacrylate copolymer, said copolymer being selected from the group consisting of a copolymer of an acrylate and olefin and a copolymer of an acrylate and maleic anhydride; (g) 5 to 45% of an alkali metal sulfate; (h) 0.5 to 15.0 percent of a protease enzyme derived from bacillus alcalophylus; (i) 0.3 to 8.0 percent of an amylase enzyme, the individual powdered particles of said composition having a maximum particle size of less than about 2,000 microns and said composition having less than 8.0 weight percent of water.

Claim 25

The powdered dishwashing composition according to claim 20 wherein said dishwashing composition further contains 0 to about 8.0 weight percent of a lipase enzyme.

Claim 26

The powdered dishwashing composition according to claim 20 which further contains 0.5 to about 17 wt. percent of an alkali metal perborate.

Claim 27

The powdered dishwashing composition according to claim 22 which contains 0 to about 5 wt. percent of an alkali metal perborate activator.

Claim 28

The powdered dishwashing composition according to claim 22 which contains 0 to about 8.0 weight percent of a lipase enzyme.

Claim 29

The powdered dishwashing composition according to claim 22 further including 0 to about 20 weight percent of a sodium alumino silicate.