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).

  • Publication number: 20220039374
    Abstract: 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: Application
    Filed: August 19, 2021
    Publication date: February 10, 2022
    Applicant: Monsanto Technology LLC
    Inventors: John W. Hemminghaus, Neha Rana, Ashoke K. SenGupta
  • Patent number: 11116208
    Abstract: 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: Grant
    Filed: July 12, 2017
    Date of Patent: September 14, 2021
    Assignee: Monsanto Technology LLC
    Inventors: John W. Hemminghaus, Neha Rana, Ashoke K. SenGupta
  • Publication number: 20210244024
    Abstract: 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: Application
    Filed: June 5, 2019
    Publication date: August 12, 2021
    Inventors: John HEMMINGHAUS, Ashoke K. SENGUPTA
  • Publication number: 20210235694
    Abstract: 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: Application
    Filed: June 5, 2019
    Publication date: August 5, 2021
    Inventors: John HEMMINGHAUS, Ashoke K. SENGUPTA
  • Publication number: 20210059248
    Abstract: 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: Application
    Filed: December 28, 2018
    Publication date: March 4, 2021
    Applicant: Monsanto Technology LLC
    Inventors: Ashoke K. SenGupta, Thimmareddy Thatiparti, Junhua Zhang
  • Publication number: 20190327960
    Abstract: 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: Application
    Filed: July 12, 2017
    Publication date: October 31, 2019
    Applicant: Monsanto Technology LLC
    Inventors: John W. Hemminghaus, Neha Rana, Ashoke K. SenGupta
  • Patent number: 9593204
    Abstract: 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: Grant
    Filed: August 8, 2013
    Date of Patent: March 14, 2017
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Anchuu Wu, Douglas M. Barr, Nancy S. Marchant, Ashoke K. Sengupta, Feng-Lung Gorden Hsu
  • Publication number: 20160136080
    Abstract: 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: Application
    Filed: June 17, 2014
    Publication date: May 19, 2016
    Inventors: Ashoke K. Sengupta, Eric H. Anderson
  • Publication number: 20150218312
    Abstract: 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: Application
    Filed: August 8, 2013
    Publication date: August 6, 2015
    Inventors: Anchuu Wu, Douglas M. Barr, Nancy S. Marchant, Ashoke K. Sengupta, Feng-Lung Gorden Hsu
  • Patent number: 8853299
    Abstract: 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: Grant
    Filed: October 6, 2009
    Date of Patent: October 7, 2014
    Assignee: Amcol International Corp.
    Inventors: Ashoke K. SenGupta, Vincent J. Losacco, Jerald W. Darlington, Jr.
  • Patent number: 8309063
    Abstract: 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: Grant
    Filed: June 10, 2005
    Date of Patent: November 13, 2012
    Assignee: Amcol International Corporation
    Inventors: Ashoke K. SenGupta, Ilona Lin
  • Patent number: 8188022
    Abstract: 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: Grant
    Filed: April 13, 2009
    Date of Patent: May 29, 2012
    Assignee: AMCOL International Corporation
    Inventors: Tapashi Sengupta, Ashoke K. SenGupta
  • Patent number: 7977288
    Abstract: 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: Grant
    Filed: March 3, 2009
    Date of Patent: July 12, 2011
    Assignee: Amcol International Corporation
    Inventor: Ashoke K. SenGupta
  • Patent number: 7943690
    Abstract: 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: Grant
    Filed: October 16, 2008
    Date of Patent: May 17, 2011
    Assignee: Amcol International Corporation
    Inventors: Ashoke K. SenGupta, David McGregor, Jerald W. Darlington, Jr.
  • Publication number: 20110082233
    Abstract: 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: Application
    Filed: October 6, 2009
    Publication date: April 7, 2011
    Inventors: Ashoke K. SenGupta, Vincent J. Losacco, Jerald W. Darlington, JR.
  • Publication number: 20110082247
    Abstract: 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: Application
    Filed: October 6, 2009
    Publication date: April 7, 2011
    Inventor: Ashoke K. SenGupta
  • Patent number: 7915214
    Abstract: 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: Grant
    Filed: February 8, 2008
    Date of Patent: March 29, 2011
    Assignee: Amcol International Corporation
    Inventors: Ashoke K. SenGupta, Ilona Lin, Jason St. Onge
  • Patent number: 7888306
    Abstract: 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: Grant
    Filed: May 14, 2008
    Date of Patent: February 15, 2011
    Assignee: Amcol International Corporation
    Inventors: Ashoke K. SenGupta, Ilona Lin, Jason St. Onge, Melanie J. Hughes
  • Patent number: 7871972
    Abstract: 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: Grant
    Filed: December 3, 2008
    Date of Patent: January 18, 2011
    Assignee: AMCOL International Corporation
    Inventor: Ashoke K. SenGupta
  • Patent number: 7855173
    Abstract: 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: Grant
    Filed: June 26, 2009
    Date of Patent: December 21, 2010
    Assignee: Amcol International Corporation
    Inventors: Ashoke K. SenGupta, Ilona Lin, Jason Harold St. Onge