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Patent Agency Ranking
公开(公告)号：US12083205B2
公开(公告)日：2024-09-10
申请号：US17145999
申请日：2021-01-11
Applicant: Stepan Company
Inventor： James A. Faunce , Renata A. Butikas , Randal J. Bernhardt , Sarah E. Kovach , Teresa Germain , Patrick Shane Wolfe , Leonard Frank Zaporowski , Anatoliy A. Dameshek
IPC: A61K8/41 , A61K8/37 , A61K8/9789 , A61Q5/02
CPC classification number: A61K8/416 , A61K8/37 , A61K8/9789 , A61Q5/02 , A61K2800/596
Abstract: Esterquat compositions are disclosed that comprise, based on the weight of the composition, 0% to about 70% by weight of a solvent, and about 30% to 100% by weight of a mixture comprising about 50% to about 80% by weight, based on the weight of the mixture, of esterquats and about 20% to about 50% by weight, based on the weight of the mixture, of mono- and diglycerides. The esterquat compositions can be prepared by the direct esterification of a natural oil with an alkanolamine, followed by quaternization in the presence of the solvent. The esterquat compositions can be formulated into hair care compositions that provide improved wet and dry combing properties.
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公开(公告)号：US20230030812A1
公开(公告)日：2023-02-02
申请号：US17953520
申请日：2022-09-27
Applicant: Stepan Company
Inventor： Dennis S. Murphy , Renata A. Butikas , James A. Faunce , Patrick Shane Wolfe
Abstract: Compositions comprising a synergistic mixture of at least one neutralized amino acid ester and a glyceride component as a composition active are disclosed. The mixture comprises from 35% to 85% by weight neutralized amino acid ester, and from 15% to 65% by weight of a glyceride component comprising selected monoglycerides, diglycerides, or a combination thereof. The compositions are useful for hair care, as well as in other applications, such as cleaning compositions, fabric softening compositions, and skin care compositions. When formulated into a hair care formulation, the compositions provide better wet combing than either the neutralized amino acid ester or the glycerides alone. Also disclosed are end use compositions comprising the mixture of neutralized amino acid ester and selected glycerides.
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公开(公告)号：US20250043187A1
公开(公告)日：2025-02-06
申请号：US18920310
申请日：2024-10-18
Applicant: Stepan Company
Inventor： James A. Faunce , Dennis S. Murphy , Ronald A. Masters , Lei Cui , Paul W. Knox
IPC: C09K23/02
Abstract: A method of mitigating the formation of 1,4-dioxane and precursors of 1,4-dioxane in alkyl ether sulfate surfactants is disclosed. The method involves adding one or more alcohol, hydrotrope or anti-oxidant additives to an aqueous solution of alkyl ether sulfate surfactant having at least two ethylene oxide groups. The alcohol, hydrotrope, or anti-oxidant is added to the alkyl ether sulfate solution in an amount effective to reduce the formation of diethylene glycol monosulfate, a precursor of 1,4-dioxane, and also reduce the formation of 1,4-dioxane.
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公开(公告)号：US20210128432A1
公开(公告)日：2021-05-06
申请号：US17145999
申请日：2021-01-11
Applicant: Stepan Company
Inventor： James A. Faunce , Renata A. Butikas , Randal J. Bernhardt , Sarah E. Kovach , Teresa Germain , Patrick Shane Wolfe , Leonard Frank Zaporowski , Anatoliy A. Dameshek
IPC: A61K8/41 , A61K8/9789 , A61K8/37 , A61Q5/02
Abstract: Esterquat compositions are disclosed that comprise, based on the weight of the composition, 0% to about 70% by weight of a solvent, and about 30% to 100% by weight of a mixture comprising about 50% to about 80% by weight, based on the weight of the mixture, of esterquats and about 20% to about 50% by weight, based on the weight of the mixture, of mono- and diglycerides. The esterquat compositions can be prepared by the direct esterification of a natural oil with an alkanolamine, followed by quaternization in the presence of the solvent. The esterquat compositions can be formulated into hair care compositions that provide improved wet and dry combing properties.
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公开(公告)号：US20220079858A1
公开(公告)日：2022-03-17
申请号：US17519900
申请日：2021-11-05
Applicant: Stepan Company
Inventor： James A. Faunce , Renata A. Butikas , Sarah E. Kovach , Teresa Germain , Patrick Shane Wolfe , Anatoliy A. Dameshek , Dennis S. Murphy
Abstract: Compositions comprising at least one esteramine active are disclosed in which the esteramine provides conditioning, softening, and/or cleaning properties. The compositions are useful for hair care, as well as in other applications, such as cleaning compositions, fabric softening compositions, and skin care compositions. Also disclosed are esteramine compositions that comprise a synergistic mixture of at least one esteramine and mono- and di-glycerides that provides better wet and dry combing than either the esteramine or mono- and di-glycerides alone. The synergistic mixture comprises about 50% to about 90% by weight esteramines and about 10% to about 50% by weight mono- and diglycerides.
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