Patents by Inventor Ashoke K. Sengupta
Ashoke K. Sengupta has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220039374Abstract: Non-water-continuous pesticidal microemulsions are described as well as methods of preparing these microemulsions and methods of using these microemulsions to prepare pesticidal application mixtures that are oil-in-water (O/W) macroemulsions. Herbicidal concentrate compositions having a high loading of an auxin herbicide are also described along with methods of preparing these concentrate compositions, and methods of using these concentrate compositions in preparing certain non-water-continuous herbicidal microemulsion compositions. Further, various herbicidal compositions having improved chemical stability and extended residual weed control are described.Type: ApplicationFiled: August 19, 2021Publication date: February 10, 2022Applicant: Monsanto Technology LLCInventors: John W. Hemminghaus, Neha Rana, Ashoke K. SenGupta
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Patent number: 11116208Abstract: Non-water-continuous pesticidal microemulsions are described as well as methods of preparing these microemulsions and methods of using these microemulsions to prepare pesticidal application mixtures that are oil-in-water (O/W) macroemulsions. Herbicidal concentrate compositions having a high loading of an auxin herbicide are also described along with methods of preparing these concentrate compositions, and methods of using these concentrate compositions in preparing certain non-water-continuous herbicidal microemulsion compositions. Further, various herbicidal compositions having improved chemical stability and extended residual weed control are described.Type: GrantFiled: July 12, 2017Date of Patent: September 14, 2021Assignee: Monsanto Technology LLCInventors: John W. Hemminghaus, Neha Rana, Ashoke K. SenGupta
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Publication number: 20210244024Abstract: The present invention relates to various pesticidal compositions including non-water-continuous herbicidal dispersion compositions and processes for preparing these compositions. The present invention further relates to herbicidal application mixtures including water continuous dispersion compositions, processes for preparing these application mixtures, and various methods of use. Further, the present invention relates to various herbicidal compositions having improved application properties.Type: ApplicationFiled: June 5, 2019Publication date: August 12, 2021Inventors: John HEMMINGHAUS, Ashoke K. SENGUPTA
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Publication number: 20210235694Abstract: The present invention relates to various pesticidal compositions including non-water-continuous herbicidal dispersion compositions and processes for preparing these compositions. The present invention further relates to herbicidal application mixtures including water continuous dispersion compositions, processes for preparing these application mixtures, and various methods of use. Further, the present invention relates to various herbicidal compositions having improved application properties.Type: ApplicationFiled: June 5, 2019Publication date: August 5, 2021Inventors: John HEMMINGHAUS, Ashoke K. SENGUPTA
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Publication number: 20210059248Abstract: The present invention generally relates to herbicidal compositions such as aqueous herbicidal concentrate compositions and application mixtures. For example, the present invention relates to aqueous herbicidal concentrate compositions comprising an encapsulated acetamide herbicide and a second, unencapsulated herbicide. The present invention also relates to various processes for preparing and using these herbicidal compositions. The present invention further relates to herbicidal concentrate compositions having a high loading of an auxin herbicide and methods of preparing these concentrate compositions.Type: ApplicationFiled: December 28, 2018Publication date: March 4, 2021Applicant: Monsanto Technology LLCInventors: Ashoke K. SenGupta, Thimmareddy Thatiparti, Junhua Zhang
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Publication number: 20190327960Abstract: Non-water-continuous pesticidal microemulsions are described as well as methods of preparing these microemulsions and methods of using these microemulsions to prepare pesticidal application mixtures that are oil-in-water (O/W) macroemulsions. Herbicidal concentrate compositions having a high loading of an auxin herbicide are also described along with methods of preparing these concentrate compositions, and methods of using these concentrate compositions in preparing certain non-water-continuous herbicidal microemulsion compositions. Further, various herbicidal compositions having improved chemical stability and extended residual weed control are described.Type: ApplicationFiled: July 12, 2017Publication date: October 31, 2019Applicant: Monsanto Technology LLCInventors: John W. Hemminghaus, Neha Rana, Ashoke K. SenGupta
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Patent number: 9593204Abstract: The present invention relates to esterified glycerylated alkyl glycoside and to a process for making same. The esterified glycerylated alkyl glycoside have one or more polyglyceryl moieties and one or more acyl moieties, wherein all of the one or more acyl moieties are situated on the one or more polyglyceryl moieties via an ester linkage. These compounds have been found to be useful as emulsifiers and coemulsifiers in the formulation of a phase stable emulsions suitable for use in personal care, home care, industrial and institutional, and health care applications.Type: GrantFiled: August 8, 2013Date of Patent: March 14, 2017Assignee: Lubrizol Advanced Materials, Inc.Inventors: Anchuu Wu, Douglas M. Barr, Nancy S. Marchant, Ashoke K. Sengupta, Feng-Lung Gorden Hsu
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Publication number: 20160136080Abstract: The disclosed technology relates to a multi-functional additive for personal-care and cosmetic product applications, more particularly, a naturally derived multifunctional additive for use in skin-care formulations, which provides steric stabilization of pigment particles and/or emulsion droplets in aqueous compositions, good suspension-stability (i.e., against settling/creaming) of the compositions, and increased utilization of particulate, skin-care benefit agents contained in the compositions.Type: ApplicationFiled: June 17, 2014Publication date: May 19, 2016Inventors: Ashoke K. Sengupta, Eric H. Anderson
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Publication number: 20150218312Abstract: The present invention relates to esterified glycerylated alkyl glycoside and to a process for making same. The esterified glycerylated alkyl glycoside have one or more polyglyceryl moieties and one or more acyl moieties, wherein all of the one or more acyl moieties are situated on the one or more polyglyceryl moieties via an ester linkage. These compounds have been found to be useful as emulsifiers and coemulsifiers in the formulation of a phase stable emulsions suitable for use in personal care, home care, industrial and institutional, and health care applications.Type: ApplicationFiled: August 8, 2013Publication date: August 6, 2015Inventors: Anchuu Wu, Douglas M. Barr, Nancy S. Marchant, Ashoke K. Sengupta, Feng-Lung Gorden Hsu
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Patent number: 8853299Abstract: Described herein, in the preferred embodiment, is a leonardite-based polyurethane resin binder that may be used, among other applications, as a binder in combination with foundry aggregate, e.g., sand, for molding or casting metal parts. The binders described herein comprise a humic substance, preferably leonardite, combined with a polymerizable polyol, an isocyanate, and a polymerization catalyst to make a polyurethane resin binder in situ in a foundry aggregate, such as sand. The lignite is mixed with the polymerizable polyol, thickening and dispersing agents as additives to improve the suspension quality and binder performance of the lignite-containing part of the binder components.Type: GrantFiled: October 6, 2009Date of Patent: October 7, 2014Assignee: Amcol International Corp.Inventors: Ashoke K. SenGupta, Vincent J. Losacco, Jerald W. Darlington, Jr.
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Patent number: 8309063Abstract: A stable, oil-in-water (O-W) emulsion-based sunscreen composition having at least one water-insoluble, organic UV-absorber having a water-solubility of much less than 0.1% by weight, contained in the oil phase of the sunscreen emulsion, comprising i) zinc oxide (ZnO) particles having a surface free of any prior coating of any inorganic oxide and hydrophobic material, remaining dispersed in the water phase of the sunscreen emulsion; ii) at least one non- or low-foaming, non-cationic, hydrophilic polymer, capable of dispersing or deflocculating the ZnO particles but incapable of thickening an aqueous composition to a viscosity of greater than 100 cps at 25° C.Type: GrantFiled: June 10, 2005Date of Patent: November 13, 2012Assignee: Amcol International CorporationInventors: Ashoke K. SenGupta, Ilona Lin
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Patent number: 8188022Abstract: Disclosed herein is a fragrance composition and a method for making the same having a fragrance particulate and a viscoelastic gel; where the composition has enhanced fragrance retention throughout the processing of the composition.Type: GrantFiled: April 13, 2009Date of Patent: May 29, 2012Assignee: AMCOL International CorporationInventors: Tapashi Sengupta, Ashoke K. SenGupta
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Patent number: 7977288Abstract: A coated microparticulate composition comprising a microparticulate; wherein the microparticulate comprises a benefit agent; and wherein the microparticulate is coated with: a Type-1 Polymer, wherein the Type-1 Polymer comprises a cationic polymer with a cationic atom content greater than about 3 wt. % and a weight average molecular weight less than about 800,000 Dalton; and a Type-2 Polymer, wherein the Type-2 Polymer comprises a cationic polymer with a cationic atom content less than about 3 wt. % and a weight average molecular weight greater than about 1,000,000 Dalton.Type: GrantFiled: March 3, 2009Date of Patent: July 12, 2011Assignee: Amcol International CorporationInventor: Ashoke K. SenGupta
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Patent number: 7943690Abstract: The surface of hydrophobically-modified smectite clays (i.e., organophilic clays) are modified using a hydrophilic polymer, wherein the hydrophilic surface-modification of a hydrophobically-modified smectite clay with a hydrophilic polymer, renders the organoclays adequately dispersible in water.Type: GrantFiled: October 16, 2008Date of Patent: May 17, 2011Assignee: Amcol International CorporationInventors: Ashoke K. SenGupta, David McGregor, Jerald W. Darlington, Jr.
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Publication number: 20110082233Abstract: Described herein, in the preferred embodiment, is a leonardite-based polyurethane resin binder that may be used, among other applications, as a binder in combination with foundry aggregate, e.g., sand, for molding or casting metal parts. The binders described herein comprise a humic substance, preferably leonardite, combined with a polymerizable polyol, an isocyanate, and a polymerization catalyst to make a polyurethane resin binder in situ in a foundry aggregate, such as sand. The lignite is mixed with the polymerizable polyol, thickening and dispersing agents as additives to improve the suspension quality and binder performance of the lignite-containing part of the binder components.Type: ApplicationFiled: October 6, 2009Publication date: April 7, 2011Inventors: Ashoke K. SenGupta, Vincent J. Losacco, Jerald W. Darlington, JR.
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Publication number: 20110082247Abstract: Described herein, in the preferred embodiment, is a polyurethane resin binder. The binders described herein comprise a polymerizable polyol, an isocyanate, and a polymerization catalyst to make a polyurethane resin binder.Type: ApplicationFiled: October 6, 2009Publication date: April 7, 2011Inventor: Ashoke K. SenGupta
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Patent number: 7915214Abstract: A cleansing or a surface-conditioning composition comprising a mixture of (i) and (ii) in water: i) a surfactant selected from the group consisting of anionic, non-ionic, zwitterionic, cationic, and mixtures thereof, and ii) a hydrophobic benefit agent in a particulate form having a mean particle size in the range of 1-1,000 micron, and a specific gravity of ?1, not encapsulated within a film or a capsule-like enclosure, the particulate hydrophobic benefit agent comprising: a) a physically-modified form of the hydrophobic benefit agent; and b) a deposition-aid material bonded to the surface of the physically-modified benefit agent material, wherein the bonding between the two said materials is achieved prior to addition to i), wherein said deposition-aid material is not a surfactant having a weight average molecular weight of less than 5,000 Dalton.Type: GrantFiled: February 8, 2008Date of Patent: March 29, 2011Assignee: Amcol International CorporationInventors: Ashoke K. SenGupta, Ilona Lin, Jason St. Onge
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Patent number: 7888306Abstract: A cleansing or a surface-conditioning composition comprising a mixture of (i) and (ii) in water: i) a surfactant selected from the group consisting of anionic, non-ionic, zwitterionic, cationic, and mixtures thereof; and ii) a hydrophobic benefit agent in a particulate form having a mean particle size in the range of 1-1,000 micron, and a specific gravity of ?1, not encapsulated within a film or a capsule-like enclosure, the particulate hydrophobic benefit agent comprising: a) a physically-modified form of the hydrophobic benefit agent; and b) a deposition-aid material bonded to the surface of the physically-modified benefit agent material, wherein the bonding between the two said materials is achieved prior to addition to i), wherein said deposition-aid material is not a surfactant having a weight average molecular weight of less than 5,000 Dalton.Type: GrantFiled: May 14, 2008Date of Patent: February 15, 2011Assignee: Amcol International CorporationInventors: Ashoke K. SenGupta, Ilona Lin, Jason St. Onge, Melanie J. Hughes
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Patent number: 7871972Abstract: A cleansing or a surface-conditioning composition comprising a mixture of (i) and (ii) in water: i) a surfactant selected from the group consisting of anionic, non-ionic, zwitterionic, cationic, and mixtures thereof; and ii) a hydrophobic benefit agent in a particulate form having a mean particle size in the range of 1-1,000 micron, and a specific gravity of ?1, not encapsulated within a film or a capsule-like enclosure, the particulate hydrophobic benefit agent comprising: a) a physically-modified form of the hydrophobic benefit agent; and b) a deposition-aid material bonded to the surface of the physically-modified benefit agent, wherein the bonding between the benefit agent and the deposition-aid material is achieved prior to addition to i), wherein said deposition-aid material is not a surfactant having a weight average molecular weight of less than 5,000 Dalton.Type: GrantFiled: December 3, 2008Date of Patent: January 18, 2011Assignee: AMCOL International CorporationInventor: Ashoke K. SenGupta
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Patent number: 7855173Abstract: A cationic oil-in-water emulsion, for addition to detersive compositions, comprising hydrophilic cationic polymers, a surface-active, anionic polymer that is capable of adsorbing at an air-water interface or an oil-water interface and/or is oil-soluble, and a hydrophobic benefit agent in the oil phase made by adding the benefit agent to a hydrophobic liquid; thickening the oil phase with an organophillic smectite clay reacted at clay platelet surfaces to make the clay platelet surfaces hydrophobic while the edge surfaces of the clay remain hydrophilic, such that the organophillic smectite clay is adsorbed at an oil/water interface in the emulsion, and one of the hydrophilic, cationic polymers has a cationic nitrogen content of at least 6% by weight, that is incompatible with anionic surfactants, being insoluble in anionic-surfactant solutions containing an amount of 3% or higher of an anionic surfactant, and another hydrophilic cationic polymer has a cationic nitrogen content of at least 0.Type: GrantFiled: June 26, 2009Date of Patent: December 21, 2010Assignee: Amcol International CorporationInventors: Ashoke K. SenGupta, Ilona Lin, Jason Harold St. Onge