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AssigneeHuntsman Petrochemical Corporation
InventorsGeorge A. Smith, Samir S. Ashrawi, Raeda M. Smadi, Prakasa R. Anantaneni
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This invention is directed to detergent compositions which employ sulfonated linear alkylbenzenes as surfactants, wherein the sulfonated linear alkylbenzenes have a higher content of the sulfonated 2-phenyl alkylbenzene isomers than was previously available in sulfonated phenyl alkylbenzene surfactants of the prior art. Cleaning compositions according to the invention are more effective as cleaning agents over their counterparts of prior art which contain sulfonated linear alkylbenzenes having lower contents of the 2-phenyl alkylbenzene isomers, owing to an unexpected increase in tolerance of water hardness minerals normally associated with precipitation of the active detergent agent. Solid sulfonate salts of alkylbenzenes are also provided, including dry formulations containing same.
A composition useful as a detergent for cleaning laundry, dishes, hard surfaces, and other substrates that is formed from components comprising:
A salt comprising a mixture of at least 5 different alkylbenzene sulfonates wherein 1.00% to 30.00% of the alkyl groups bonded to the benzene ring in said alkylbenzene sulfonates are substantially linear and have any number of carbon atoms selected from the group consisting of 10, 11, 12, 13, and 14, and wherein said salt comprises an effective amount of 2-phenyl isomers for rendering said salt to exist in the form of a solid at room temperature.
A salt comprising a mixture of at least 5 different alkylbenzene sulfonates wherein 30.00% to 50.00% of the alkyl groups bonded to the benzene ring in said alkylbenzene sulfonates are substantially linear and have any number of carbon atoms selected from the group consisting of:
A salt comprising a mixture of at least 5 different alkylbenzene sulfonates wherein 50.00-75.00% of the alkyl groups bonded to the benzene ring in said alkylbenzene sulfonates are substantially linear and have any number of carbon atoms selected from the group consisting of:
A salt comprising a mixture of at least 5 different alkylbenzene sulfonates wherein 75.00-95.00% of the alkyl groups bonded to the benzene ring in said alkylbenzene sulfonates are substantially linear and have any number of carbon atoms selected from the group consisting of:
A salt comprising a mixture of at least 5 different alkylbenzene sulfonates wherein 1.00% to 30.00% of the alkyl groups bonded to the benzene ring in said alkylbenzene sulfonates are branched and have any number of carbon atoms selected from the group consisting of:
A salt comprising a mixture of at least 5 different alkylbenzene sulfonates wherein 30.00% to 50.00% of the alkyl groups bonded to the benzene ring in said alkylbenzene sulfonates are branched and have any number of carbon atoms selected from the group consisting of 10, 11, 12, 13, and 14, and wherein said salt comprises an effective amount of 2-phenyl isomers for rendering said salt to exist in the form of a solid at room temperature.
A salt comprising a mixture of at least 5 different alkylbenzene sulfonates wherein 50.00-75.00% of the alkyl groups bonded to the benzene ring in said alkylbenzene sulfonates are branched and have any number of carbon atoms selected from the group consisting of:
A salt comprising a mixture of at least 5 different alkylbenzene sulfonates wherein 75.00-95.00% of the alkyl groups bonded to the benzene ring in said alkylbenzene sulfonates are branched and have any number of carbon atoms selected from the group consisting of:
Dependencies are inferred from the claim text.