Patents by Inventor Sanjeev K. Dey

Sanjeev K. Dey 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: 20190112482
    Abstract: A composition comprises a plurality of triarylmethane leuco molecules. The triarylmethane leuco molecules comprise a first alkyleneoxy moiety and a second oxyalkylene moiety, and the mass distribution of the first alkyleneoxy moiety is different from the mass distribution of the second alkyleneoxy moiety. A triarylmethane leuco compound has a Formula (C). A composition comprises a plurality of triarylmethane leuco molecules, and about 5 mol. % or more of the triarylmethane leuco molecules present in the composition comprise a first alkyleneoxy moiety that does not contain at least one of the alkyleneoxy repeating units present in the second alkyleneoxy moiety.
    Type: Application
    Filed: October 11, 2018
    Publication date: April 18, 2019
    Inventors: Dominick J. Valenti, Haihu Qin, Sanjeev K. Dey
  • Publication number: 20190112488
    Abstract: A compound comprises at least one fluorescent moiety covalently bound to at least one second moiety selected from the group consisting of leuco moieties and chromophore moieties.
    Type: Application
    Filed: October 11, 2018
    Publication date: April 18, 2019
    Inventors: Dominick J. Valenti, Sanjeev K. Dey, Haihu Qin, Wesley A. Freund, Gregory S. Miracle
  • Publication number: 20190112484
    Abstract: The present disclosure provides composition having at least one leuco composition conforming to Formula (I): Ar1Ar2Ar3CH??(I) wherein Ar2 and Ar3 are independently a carbocyclic aryl or heteroaryl, and Ar1 is selected from the group consisting of: unsubstituted phenyl, electron deficient carbocyclic aryl, and heteroaryl. The present disclosure also provides a method of detecting an authentic composition and test kits for detecting authentic compositions.
    Type: Application
    Filed: October 11, 2018
    Publication date: April 18, 2019
    Inventors: Sanjeev K. Dey, Haihu Qin, Gregory S. Miracle
  • Publication number: 20180282663
    Abstract: A leuco polymer comprising a polymeric carbohydrate and a leuco moiety. The polymeric carbohydrate and the leuco moiety are covalently bound. Methods of making the leuco polymer, laundry care compositions comprising the leuco polymer and methods of treating textiles with such laundry care compositions.
    Type: Application
    Filed: November 1, 2017
    Publication date: October 4, 2018
    Inventors: Wesley A. Freund, Sanjeev K. Dey, Gregory S. Miracle
  • Publication number: 20180245025
    Abstract: This application describes laundry care compositions that contain leuco colorants and their use in the laundering of textile articles. These types of colorants are provided in a stable, substantially colorless state and then may be transformed to an intense colored state upon exposure to certain physical or chemical changes such as, for example, exposure to oxygen, ion addition, exposure to light, and the like. The laundry care compositions containing the leuco colorants are designed to enhance the apparent or visually perceived whiteness of, or to impart a desired hue to, textile articles washed or otherwise treated with the laundry care composition.
    Type: Application
    Filed: April 26, 2018
    Publication date: August 30, 2018
    Inventors: Haihu Qin, Benjamin R. Butterfield, Diana C. Balasca, Xiaoyong Hong, Sanjeev K. Dey, Dominick J. Valenti
  • Publication number: 20180148672
    Abstract: A laundry care composition including: (a) at least one laundry care ingredient and (b) a leuco composition. The laundry care composition has a ?HA of at least 10 and produces a relative hue angle on fabric outside the range of 210 to 345. Methods of treating textiles with such laundry care compositions.
    Type: Application
    Filed: November 1, 2017
    Publication date: May 31, 2018
    Inventors: Dominick J. Valenti, Sanjeev K. Dey, Haihu Qin, Gregory S. Miracle, Daniel D. Ditullio
  • Patent number: 9982221
    Abstract: This application describes laundry care compositions that contain leuco colorants and their use in the laundering of textile articles. These types of colorants are provided in a stable, substantially colorless state and then may be transformed to an intense colored state upon exposure to certain physical or chemical changes such as, for example, exposure to oxygen, ion addition, exposure to light, and the like. The laundry care compositions containing the leuco colorants are designed to enhance the apparent or visually perceived whiteness of, or to impart a desired hue to, textile articles washed or otherwise treated with the laundry care composition.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: May 29, 2018
    Assignee: Milliken & Company
    Inventors: Haihu Qin, Benjamin R. Butterfield, Diana C. Balasca, Xiaoyong Hong, Sanjeev K. Dey, Dominick J. Valenti
  • Patent number: 9976035
    Abstract: The present application relates to novel whitening agents for cellulosic substrates. The whitening agents are comprised of at least two constituents: at least one chromophore constituent and at least one polymeric constituent. Suitable chromophore components generally fluoresce blue, red, violet, or purple color when exposed to light, or they may absorb light to reflect these same shades. This disclosure also relates to laundry care compositions including but not limited to liquid and/or powder laundry detergent formulations and rinse added fabric softening (RAFS) compositions that comprise such whitening agents.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: May 22, 2018
    Assignee: Milliken & Company
    Inventors: Dominick J. Valenti, Eduardo Torres, Sanjeev K. Dey, Gregory Scot Miracle
  • Publication number: 20180127589
    Abstract: A method of obtaining a leuco polymer, the method comprising the step of reacting a reactive leuco compound with a polymer to form the leuco polymer. The reactive leuco compound comprises at least one leuco moiety and at least one nucleophilic group. The polymer comprises at least one group capable of reacting with said nucleophilic group. The said leuco moiety has a maximum molar extinction coefficient at a wavelength in the range 400 to 750 nm of less than 1000 M?1cm?1. Laundry care compositions comprising the leuco polymer and methods of treating textiles with such laundry care compositions.
    Type: Application
    Filed: November 1, 2017
    Publication date: May 10, 2018
    Inventors: Sanjeev K. Dey, Haihu Qin, Gregory S. Miracle
  • Publication number: 20180127590
    Abstract: A method of obtaining a leuco polymer, the method comprising the step of reacting a compound with a polymer to form the leuco polymer. The compound includes at least one leuco moiety and at least one electrophilic group. The polymer is comprised of co-monomers of an aryl dicarboxylate, an oxyalkyleneoxy and an oxypolyalkyleneoxy and the polymer comprises at least one moiety selected from the group consisting of hydroxy, sulfhydryl, primary amine and secondary amine. Laundry care compositions comprising the leuco polymer and methods of treating textiles with such laundry care compositions.
    Type: Application
    Filed: November 1, 2017
    Publication date: May 10, 2018
    Inventors: Sanjeev K. Dey, Wesley A. Freund, Gregory S. Miracle
  • Publication number: 20180119056
    Abstract: This application describes laundry care compositions that contain shading leuco colorants and their use in the laundering of textile articles. These types of shading leuco colorants are provided in a stable, substantially colorless state and then may be transformed to an intense colored state upon exposure to certain physical or chemical changes such as, for example, exposure to oxygen, ion addition, exposure to light, and the like. The laundry care compositions containing the shading leuco colorants are designed to enhance the apparent or visually perceived whiteness of, or to impart a desired hue to, textile articles washed or otherwise treated with the laundry care composition.
    Type: Application
    Filed: August 24, 2017
    Publication date: May 3, 2018
    Inventors: Haihu Qin, Benjamin R. Butterfield, Diana C. Balasca, Xiaoyong Hong, Sanjeev K. Dey, Dominick J. Valenti
  • Publication number: 20180118946
    Abstract: A leuco polymer comprising a polyethylenimine and at least one leuco moiety covalently bound to the polyethylenimine, wherein the polyethylenimine comprises three or more amine nitrogen atoms and 1 mol. % or more of amine hydrogen atoms in the polyethylenimine are replaced with a moiety selected from the group consisting of 2-hydroxypropyl, 1-hydroxypropane-2-yl, and polyalkoxy groups. Methods of making the leuco polymer, laundry care compositions comprising the leuco polymer and methods of treating textiles with such laundry care compositions.
    Type: Application
    Filed: November 1, 2017
    Publication date: May 3, 2018
    Inventors: Sanjeev K. Dey, Gregory S. Miracle
  • Publication number: 20180118945
    Abstract: A leuco polymer includes a leuco monomer and an alkene. The leuco polymer has a molecular weight of at least 500 and is obtainable by polymerization of the leuco monomer and one or more alkene co-monomers. The leuco monomer consists of an alkene covalently bound to a leuco moiety and the leuco monomer has a molar extinction coefficient at a wavelength in the range 400 to 750nm of less than 1000 M?1cm?1. The alkene monomer(s) have a molar extinction coefficient at a wavelength in the range 400 to 750nm that is less than 100 M?1cm?1. Methods of making the leuco polymer, laundry care compositions comprising the leuco polymer and methods of treating textiles with such laundry care compositions.
    Type: Application
    Filed: November 1, 2017
    Publication date: May 3, 2018
    Inventors: Haihu Qin, Sanjeev K. Dey, Gregory S. Miracle
  • Publication number: 20180118949
    Abstract: A leuco polymer comprising an alkoxylated polyethyleneimine covalently bound to a leuco moiety, wherein at least a first portion of nitrogen atoms of the alkoxylated polyethyleneimine have covalently bound thereto a leuco moiety; at least a second portion of nitrogen atoms of the alkoxylated polyethyleneimine have covalently bound thereto a moiety selected from the group consisting of oxyalkylene moieties, polyoxyalkylene moieties, and mixtures thereof; and at least a third portion of nitrogen atoms of the alkoxylated polyethyleneimine have covalently bound thereto a moiety selected from the group consisting of an alkylene chain, an alkylene chain having covalently bound thereto a phenyl or naphthyl group, and mixtures thereof. Methods of making the leuco polymer, laundry care compositions comprising the leuco polymer and methods of treating textiles with such laundry care compositions.
    Type: Application
    Filed: November 1, 2017
    Publication date: May 3, 2018
    Inventors: Haihu Qin, Sanjeev K. Dey, Gregory S. Miracle
  • Publication number: 20180118948
    Abstract: A leuco polymer comprising a polyethylenimine and at least one leuco moiety covalently bound to the polyethylenimine, wherein the polyethylenimine comprises three or more amine nitrogen atoms and 1 mol. % or more of amine hydrogen atoms in the polyethylenimine are replaced with a moiety selected from the group consisting of 2-hydroxypropyl, 1-hydroxypropane-2-yl, and polyalkoxy groups. Methods of making the leuco polymer, laundry care compositions comprising the leuco polymer and methods of treating textiles with such laundry care compositions.
    Type: Application
    Filed: November 1, 2017
    Publication date: May 3, 2018
    Inventors: Sanjeev K. Dey, Gregory S. Miracle
  • Publication number: 20180118947
    Abstract: A leuco polymer of the formula: Each of the G radicals is independently selected from the group consisting of: A is an arylene or heteroarylene, A1 is an aryl or heteroaryl, and B is a bridge member. R1 and R2 are independently selected from the group consisting of hydrogen and R4. R4 is independently selected from the group consisting of alkyl, cycloalkyl, aryl, alkoxy, amino, substituted alkyl, substituted cycloalkyl, substituted aryl, substituted alkoxy and substituted amino. Xi? is a charge balancing mono- or multi-valent counterion and i is an integer from 1 to 10. Methods of making the leuco polymer, laundry care compositions comprising the leuco polymer and methods of treating textiles with such laundry care compositions.
    Type: Application
    Filed: November 1, 2017
    Publication date: May 3, 2018
    Inventors: Sanjeev K. Dey, Haihu Qin, Gregory S. Miracle
  • Publication number: 20180118942
    Abstract: A leuco composition comprises at least one reactive leuco compound, which reactive leuco compound comprises a leuco moiety and at least one reactive moiety covalently bound to the leuco moiety. A laundry care composition comprises a laundry care ingredient and a leuco composition. A method of treating a textile comprises the steps of (i) treating a textile with an aqueous solution containing a leuco composition, (ii) optionally, rinsing the textile, and (iii) drying the textile.
    Type: Application
    Filed: November 1, 2017
    Publication date: May 3, 2018
    Inventors: Sanjeev K. Dey, Wesley A. Freund, Gregory S. Miracle
  • Patent number: 9777250
    Abstract: The present application relates to novel whitening agents for cellulosic substrates. The whitening agents are comprised of at least two constituents: at least one chromophore constituent and at least one polymeric constituent. Suitable chromophore components generally fluoresce blue, red, violet, or purple color when exposed to light, or they may absorb light to reflect these same shades. This disclosure also relates to laundry care compositions including but not limited to liquid and/or powder laundry detergent formulations and rinse added fabric softening (RAFS) compositions that comprise such whitening agents.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: October 3, 2017
    Assignee: Milliken & Company
    Inventors: Sanjeev K. Dey, Gregory Scot Miracle
  • Publication number: 20170260484
    Abstract: A cleaning composition comprises at least one surfactant and at least one colorant. The cleaning composition can have a pH of about 3 or less. The colorant exhibits one of several specified structures at a pH of about 7. A method for cleaning a surface utilizes the cleaning composition.
    Type: Application
    Filed: May 30, 2017
    Publication date: September 14, 2017
    Inventors: Yogesh Saraf, Eduardo Torres, Sanjeev K. Dey, Paul D. Halphen
  • Publication number: 20170218202
    Abstract: This invention relates to bis-azo colorants for use as bluing agents, laundry care compositions comprising bis-azo colorants that may serve as bluing agents, processes for making such bluing agents and laundry care compositions and methods of using the same. The bluing agents are generally comprised of at least two components: at least one chromophore component and at least one polymeric component. These bluing agents are advantageous in providing a whitening effect to fabrics, while not building up over time and causing undesirable blue discoloration to the treated fabrics.
    Type: Application
    Filed: November 29, 2016
    Publication date: August 3, 2017
    Inventors: Sanjeev K. Dey, Eduardo Torres, Gregory S. Miracle, Daniel D. Ditullio, JR.