Branched biodegradable low foam nonionic surfactants
AssigneesDow Global Technologies LLC, Rohm and Haas Company
InventorsWanglin Yu, Kara S. Weber, Jan E. Shulman, John Hayes
Life of this patent
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Abstract
A surfactant of structure (I) is useful as a biodegradable low foaming surfactant: where m is a value in a range of 3 to 10, n is a value in a range of 5 to 20 and z is a value in a range of 10 to 25.
Claims10
A surfactant having the following structure (I):
- where m is a value in a range of 3 to 10, n is a value in a range of 5 to 20 and z is a value in a range of 5 to 30.
A surfactant having the following structure (I):
- where m is a value in a range of 3 to 10, n is a value in a range of 5 to 20 and z is a value in a range of 5 to 30.
The surfactant of any previous claim, further characterize by the ratio of n to z being one or less.
The surfactant of any previous claim, further characterized by m being 5, n being a value in a range of 5 to 9 and z being a value in a range of 10 to 25.
A method of using the surfactant of any previous claim, the method comprising placing a detergent composition containing the surfactant in an automatic dishwasher.
A method of using the surfactant of any previous claim, the method comprising placing a detergent composition containing the surfactant in an automatic dishwasher.
Dependencies are inferred from the claim text.