Wetting agents for aseptic filling
First Claim
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1. A method for aseptic packaging of food, beverages or pharmaceuticals comprising:
- (a) contacting a package with a composition consisting essentially of a wetting agent, and an antimicrobial agent, wherein the wetting agent comprises;
(i) a sheeting agent, wherein the sheeting agent comprises at least one compound having the structure represented by formula I;
R—
O—
(CH2CH2O)n—
Hwherein R is a (C1-C12) alkyl group, and n is an integer in the range of 1 to 100;
(ii) a defoaming agent comprising a polyoxypropylene-polyoxyethylene block copolymer surfactant;
(iii) an association disruption agent of an alcohol alkoxylate EO/BO surfactant and/or a C12-C14 fatty alcohol EO/PO surfactant; and
(iv) an additional ingredient selected from the group consisting of a carrier, a hydrotrope, a chelating/sequestering agent, and combinations thereof;
(b) filling the package with a substance selected from the group consisting of food, beverage, pharmaceutical, and combinations thereof; and
(c) sealing the package.
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Abstract
The present invention is directed to wetting agent compositions and methods for making and using the wetting agent compositions. The compositions of the invention include a sheeting agent, a defoaming agent, and an association disruption agent. The wetting agent compositions of the present invention result in a faster draining/drying time on most substrates compared to conventional wetting agents. The wetting agent compositions of the present invention are especially suitable for use on plastic substrates.
71 Citations
15 Claims
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1. A method for aseptic packaging of food, beverages or pharmaceuticals comprising:
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(a) contacting a package with a composition consisting essentially of a wetting agent, and an antimicrobial agent, wherein the wetting agent comprises; (i) a sheeting agent, wherein the sheeting agent comprises at least one compound having the structure represented by formula I;
R—
O—
(CH2CH2O)n—
Hwherein R is a (C1-C12) alkyl group, and n is an integer in the range of 1 to 100; (ii) a defoaming agent comprising a polyoxypropylene-polyoxyethylene block copolymer surfactant; (iii) an association disruption agent of an alcohol alkoxylate EO/BO surfactant and/or a C12-C14 fatty alcohol EO/PO surfactant; and (iv) an additional ingredient selected from the group consisting of a carrier, a hydrotrope, a chelating/sequestering agent, and combinations thereof; (b) filling the package with a substance selected from the group consisting of food, beverage, pharmaceutical, and combinations thereof; and (c) sealing the package. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for aseptic packaging comprising:
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(a) forming an aseptic packaging use solution comprising diluting a composition, wherein the composition consists essentially of; (i) a wetting agent consisting essentially of; (a) a sheeting agent, wherein the sheeting agent comprises at least one compound having the structure represented by formula I;
R—
O—
(CH2CH2O)n—
H
wherein R is a (C1-C12) alkyl group, and n is an integer in the range of 1 to 100;(b) a defoaming agent comprising a polyoxypropylene-polyoxyethylene block copolymer surfactant, (c) an association disruption agent of an alcohol alkoxylate ethylene oxide surfactant, alcohol alkoxylate butylene oxide surfactant, alcohol alkoxylate propylene oxide surfactant, C12-C14 fatty alcohol ethylene oxide surfactant or C12-C14 fatty alcohol propylene oxide surfactant; (ii) and an antimicrobial agent; (b) contacting a package with the aseptic packaging use solution; (c) filling the package with a substance selected from the group consisting of food, beverage, pharmaceutical, and combinations thereof; and (d) sealing the package. - View Dependent Claims (14, 15)
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Specification