Nonaqueous liquid automatic dishwashing detergent composition with improved rinse properties and method of use

Claim 3

The method of claim 1 wherein the detergent composition comprises a small effective amount of one or more detergent adjuvants as follows: anti-encrustation agent, bleaching agent, bleach activator, sequestering agent, anti-foam agent, optical brightener, enzymes and perfume.

Claim 4

The method of claim 1 wherien the detergent composition includes about 1.5 to 5 percent of a copolymer of methacrylic acid and maleic anhydride anti-encrustation agent.

Claim 5

The method of claim 1 wherein the detergent composition includes about 0.5 to 2.0 percent alkanol phosphoric acid ester anti-settling agent.

Claim 6

The method of claim 1 wherein the detergent composition includes about 5 to 20 percent acid terminated nonionic surfactant viscosity control and anti-gel agent.

Claim 7

The method of claim 1 wherein the detergent composition includes about 5 to 20 percent of an alkali metal citric acid or tartaric acid builder salt.

Claim 8

The method of claim 1 wherein the detergent composition includes about 5 to 30 percent of an alkali metal silicate builder.

Claim 9

The method of claim 1 wherein the detergent composition includes about 0.25 to 1.0 percent of an organic sequestering agent.

Claim 10

The method of claim 1 wherein the detergent composition includes about 0.25 to 1.0 percent of an anti-foam agent.

Claim 11

The method of claim 1 wherein the detergent composition includes about 10 to 20 percent sodium metasilicate.

Claim 12

The method of claim 1 wherein the detergent composition includes 0.5 to 2.0 percent enzyme.

Claim 13

The method of claim 1 wherein the detergent composition comprises ______________________________________ liquid nonionic surfactant 35-55% alkali metal polyphosphate 10-25% alkali metal silicate 5-15% alkylene glycol mono alkyl ether anti-gel agent 5-15% alkali metal perborate 2-4% tetraacetyl ethylene diamine 2-4% ______________________________________

Claim 14

The method of claim 1 wherein the detergent comprises ______________________________________ liquid nonionic surfactant 35-55% alkali metal polyphosphate 10-25% alkali metal citric acid or tartaric acid salt 5-20% alkali metal silicate 5-15% alkylene glycol mono alkyl ether anti-gel agent 5-15% alkali metal perborate 2-4% tetraacetyl ethylene diamine 2-4% ______________________________________

Claim 15

The method of claim 1 wherein the detergent composition comprises ______________________________________ liquid nonionic surfactant 30-40% alkali metal polyphosphate 25-35% alkali metal silicate 5-15% alkylene glycol mono alkyl ether anti-gel agent 5-15% alkali metal citric acid or tartaric acid salt 5-20% alkanol phosphoric acid ester anti-settling agent 0.5-1.5% alkali metal perborate 8-11% tetraacetyl ethylene diamine 3-5.5% ______________________________________

Claim 16

A concentrated nonaqeuous liquid dishwashing composition which comprises a liquid nonionic surfactant detergent in an amount of about 30 to 60 percent an alkali metal polyphosphate detergent builder dispersed in the nonionic surfactant in an amount of about 10 to 40 percent a alkali metal citric acid or tartaric acid builder salt in an amount of about 5 to 20 percent an alkylene glycol mono alkyl ether anti-gel agent in an amount of about 5 to 15 percent said dishwashing composition being sufficiently concentrated to have a sufficient amount of detergent remain after the wash cycle to rinse dishes, glasses, cups and utensils and obtain dishes, glasses, cups and utensils that are free of undesirable traces or films.

Claim 17

A concentrated nonaqeuous liquid dishwashing composition which comprises a liquid nonionic surfactant detergent in an amount of about 30 to 60 percent an alkali metal polyphosphate detergent builder dispersed in the nonionic surfactant in an amount of about 10 to 40 percent a alkali metal citric acid or tartaric acid builder salt in an amount of about 5 to 20 percent an alkylene glycol mono alkyl ether anti-gel agent in an amount of about 5 to 15 percent said dishwashing composition being sufficiently concentrated to have a sufficient amount of detergent remain after the wash cycle to rinse dishes, glasses, cups and utensils and obtain dishes, glasses, cups and utensils that are free of undesirable traces or films.

Claim 18

The composition of claim 15 comprising an alkanol phosphoric acid ester anti-settling agent in an amount of about 0.25 to 2.0 percent.

Claim 19

The composition of claim 15 comprising a carboxylic acid terminated nonionic anti-gel agent in an amount of about 5 to 20 percent.

Claim 20

The dishwashing detergent composition of claim 1 wherein the composition comprises ______________________________________ liquid nonionic surfactant 35-55% alkali metal polyphosphate 10-25% alkali metal citric or tartaric acid salt 5-20% alkali metal silicate 5-15% alkylene glycol mono alkyl ether anti-gel agent 5-15% alkali metal perborate 2-4% tetraacetyl ethylene diamine 2-4%. ______________________________________

Claim 21

The dishwashing detergent composition of claim 15 wherein the composition comprises ______________________________________ liquid nonionic surfactant 35-55% alkali metal polyphosphate 10-25% alkali metal citric acid or tartaric acid salt 5-20% copolymer of methacrylic acid and maleic anhydride 1.5-3% alkali metal silicate 5-15% alkylene glycol mono alkyl ether anti-gel agent 5-15% alkanol phosphoric acid anti-settling agent 0.25-1% alkali metal perborate 2-4% tetraacetyl ethylene diamine 2-4% diethylene triamine pentamethylene phosphonic acid 0.25-1%. sodium salt ______________________________________

Claim 22

The dishwasher detergent composition of claim 1 wherein the composition comprises ______________________________________ liquid nonionic surfactant 30-45% acid terminated nonionic surfactant viscosity control 5-20% and anti-gel agent alkali metal polyphosphate 25-35% alkali metal citric acid or tartaric acid salt 5-20% alkali metal silicate 5-15% alkylene glycol mono alkyl ether anti-gel agent 5-15% copolymer of methacrylic acid and maleic anhydride 3-5% alkanol phosphoric acid anti-settling agent 0.5-1.5% alkali metal perborate 8-11% tetraacetyl ethylene diamine 3-5.5% diethylene triamine pentamethylene phosphonic acid 0.25-1% sodium salt ______________________________________

Claim 23

The detergent composition of claim 15 which comprises a small effective amount of one or more detergent adjuvants selected from the group consisting of anti-encrustation agent, bleaching agent, bleach activator, sequestering agent, anti-foam agent, optical brightener, enzymes and perfume.