Patent ID: 7271136

Claim:
A cleaning composition comprising: 1 to 10 parts by weight of at least one fatty acid methyl ester; 10 to 35 parts by weight of at least one ethoxylated alcohol having an HLB ranging from about 10 to about 14; 1to 10 parts by weight of at least one alkyl polyglycoside having an HLB ranging from about 10 to about 14; 1-25 parts by weight of at least one hydrotrope; 0.1 to 1 parts by weight of an alkali metal silicate; 0.1 to 2 parts by weight of at least one corrosion inhibitor in an amount effective to prevent corrosion on metals; and 30 to 1000 parts by weight water; wherein the composition has pH>9.5, and is non-toxic and biodegradable.