Patents by Inventor Prithwiraj Maitra

Prithwiraj Maitra 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: 20170087063
    Abstract: A cleansing composition, a method of making the cleansing composition and a method of using a cleansing composition, the composition including a first liquid surfactant component; a first solid component, including a plurality of cellulose particles; and a first gaseous component.
    Type: Application
    Filed: August 30, 2016
    Publication date: March 30, 2017
    Inventors: Patricia Bonner, Prithwiraj Maitra, Donald Lynn Harper
  • Publication number: 20170079892
    Abstract: Foaming sunscreen compositions of the present invention include a continuous water phase containing from about 0.75% to about 6% of a superhydrophilic amphiphilic copolymer and a discontinuous oil phase dispersed in the water phase, which oil phase contains a UV-absorbing compound, and which foaming sunscreen compositions are essentially free of monomeric surfactants and substantially free of oil soluble polymers.
    Type: Application
    Filed: September 18, 2015
    Publication date: March 23, 2017
    Inventors: Susan Daly, Prithwiraj Maitra, Barry Setiawan
  • Publication number: 20170079893
    Abstract: The sunscreen compositions of the present invention include a phase-stable, oil-in-water emulsion that includes a continuous water phase containing a superhydrophilic amphiphilic copolymer and a suspension of styrene/acrylate copolymer particles; and a discontinuous oil phase homogeneously dispersed in the continuous water phase, where the discontinuous oil phase includes a UV absorbing compound and the sunscreen composition is essentially free of monomeric surfactant and has a viscosity of about 2000 cps or less.
    Type: Application
    Filed: September 18, 2015
    Publication date: March 23, 2017
    Inventors: Susan Daly, Prithwiraj Maitra, Barry Setiawan
  • Patent number: 9549889
    Abstract: The compositions and methods of this invention relate to a rinse-off skin care composition containing hydrophobic, linear cellulose particles having an average length of from about 1 to about 1000 ?m, a particle aspect ratio from about 1000 to about 2 and a thickness of from about 1 to about 500 ?m; at least one cleansing agent selected from the group consisting of a saponified fat and a surfactant; and a cosmetically acceptable carrier.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: January 24, 2017
    Assignee: Johnson & Johnson Consumer Inc.
    Inventors: Patricia Bonner, Claudia Kaminski, Danielle Lima Lorenzetti, Prithwiraj Maitra, Juliana Salles Moscardi, Jeffrey M. Wu
  • Patent number: 9549890
    Abstract: The compositions and methods of this invention relate to a rinse-off skin care composition containing hydrophobic, linear cellulose particles having an average length of from about 1 to about 1000 ?m, a particle aspect ratio from about 1000 to about 2 and a thickness of from about 1 to about 500 ?m; at least one cleansing agent selected from the group consisting of a saponified fat and a surfactant; and a cosmetically acceptable carrier.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: January 24, 2017
    Assignee: Johnson & Johnson Consumer Inc.
    Inventors: Patricia Bonner, Claudia Kaminski, Danielle Lima Lorenzetti, Prithwiraj Maitra, Juliana Salles Moscardi, Jeffrey M. Wu
  • Publication number: 20160331655
    Abstract: A particulate metal oxide is provided that includes a cationic portion containing a zinc portion, a first manganese dopant portion and a second dopant portion selected from the group consisting of iron and aluminum, wherein the zinc portion is about 99% by weight or more of the cationic portion and the manganese dopant portion and second dopant portion are present in a weight ratio of from about 5:1 to 1:5.
    Type: Application
    Filed: July 25, 2016
    Publication date: November 17, 2016
    Inventors: Susan Daly, Euen Thomas Graham Ekman Gunn, Prithwiraj Maitra, Eduardo Colla Ruvolo, JR., Yongyi Zhang
  • Publication number: 20160279047
    Abstract: The compositions and methods of this invention relate to a leave-on skin care composition containing hydrophobic, linear cellulose particles having an average length of from about 1 to about 500 ?m, a particle aspect ratio from about 2 to about 25 and an average thickness of from about 1 to about 500 ?m; and a cosmetically acceptable carrier.
    Type: Application
    Filed: June 10, 2016
    Publication date: September 29, 2016
    Inventors: Patricia Bonner, Claudia Kaminski, Danielle Lima Lorenzetti, Prithwiraj Maitra, Juliana Salles Moscardi, Jeffrey M. Wu
  • Patent number: 9370478
    Abstract: The compositions and methods of this invention relate to skin care compositions containing: (a) hydrophobic and hydrophilic, linear cellulose particles having an average length of from about 1 to about 1000 ?m, a particle aspect ratio from about 1000 to about 2 and a thickness of from about 1 to about 500 ?m; (b) amphiphilic linear cellulose particles derived from sources selected from the following group: citrus pulp, sugar beet pulp, banana pulp, mango pulp, apple pulp, passion fruit pulp and tomato pulp and the like, said particles having an average size of from about 1 to about 1000 ?m, a particle aspect ratio from about 1000 to about 2 and a thickness of from about 1 to about 500 ?m; wherein the ratio of ingredient (b) to ingredient (a) is from about 1:10 to about 10:1; and a cosmetically acceptable carrier.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: June 21, 2016
    Assignee: Johnson & Johnson Consumer Inc.
    Inventors: Patricia Bonner, Claudia Kaminski, Danielle Lima Lorenzetti, Prithwiraj Maitra, Juliana Salles Moscardi, Jeffrey M. Wu
  • Patent number: 9364416
    Abstract: The compositions and methods of this invention relate to a leave-on skin care composition containing hydrophobic, linear cellulose particles having an average length of from about 1 to about 500 ?m, a particle aspect ratio from about 2 to about 25 and an average thickness of from about 1 to about 500 ?m; and a cosmetically acceptable carrier.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: June 14, 2016
    Assignee: Johnson & Johnson Consumer Inc.
    Inventors: Patricia Bonner, Claudia Kaminski, Danielle Lima Lorenzetti, Prithwiraj Maitra, Juliana Salles Moscardi, Jeffrey M. Wu
  • Patent number: 9364689
    Abstract: Cosmetic compositions comprising a fibrous pigment having an average diameter greater than 0.2 microns and an average aspect ratio greater than 5, and methods of using said compositions for imparting a pigmented film on skin or imparting a lightening appearance of skin are provided. The compositions optionally comprise from 0.1 to 30% of a coloring agent, selected from pigments, lakes, and dyes. The appearance of skin to which the compositions have been topically applied as a cosmetic film possesses L*, a*, and b* color space values and angular reflection properties closer to those of natural skin than an identical composition wherein the fibrous pigment has an average aspect ratio of less than 5.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: June 14, 2016
    Assignee: Avon Products, Inc.
    Inventors: Amitabh Bansal, John R. Glynn, Jr., Prithwiraj Maitra
  • Publication number: 20160158115
    Abstract: Described herein is a cosmetic composition comprising a mixture of metal oxide pigments having different shapes and sizes which provides high coverage and a natural look upon application.
    Type: Application
    Filed: February 17, 2016
    Publication date: June 9, 2016
    Applicant: Avon Products, Inc.
    Inventors: Xiaolan Wei, Prithwiraj Maitra
  • Patent number: 9333155
    Abstract: A personal care composition including at least one dry emollient and one oily emollient, where the personal care composition is free of silicone or silicone containing materials.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: May 10, 2016
    Assignee: Johnson & Johnson Consumer Inc.
    Inventors: Joseph James Greco, Claudia Kaminski, Prithwiraj Maitra, Snehal M. Shah
  • Publication number: 20160120778
    Abstract: A personal care composition including at least one dry emollient and one oily emollient, where the personal care composition is free of silicone or silicone containing materials.
    Type: Application
    Filed: March 18, 2015
    Publication date: May 5, 2016
    Inventors: Joseph James Greco, Claudia Kaminski, Prithwiraj Maitra, Snehal M. Shah
  • Publication number: 20160038384
    Abstract: A gel system comprising a fractal network of nanoparticles and macroscopic particles is disclosed. The gel system is capable of forming an “optical gel” effective to blurrfine lines and wrinkles as a consequence of the size domain differences between the fractal particles and the macroscopic particles. Cosmetic compositions comprising such gels and methods for their use are also disclosed.
    Type: Application
    Filed: October 14, 2015
    Publication date: February 11, 2016
    Inventors: Prithwiraj Maitra, Steven E. Brown, John R. Glynn, Jr., Jason Rothouse, John C. Brahms, Michael J. Fair
  • Publication number: 20160008239
    Abstract: A particulate metal oxide is provided that includes a cationic portion containing a zinc portion, a first manganese dopant portion and a second dopant portion selected from the group consisting of iron and aluminum, wherein the zinc portion is about 99% by weight or more of the cationic portion and the manganese dopant portion and second dopant portion are present in a weight ratio of from about 5:1 to 1:5.
    Type: Application
    Filed: September 23, 2015
    Publication date: January 14, 2016
    Applicant: JOHNSON & JOHNSON CONSUMER INC.
    Inventors: Susan Daly, Euen Thomas Graham Ekman Gunn, Prithwiraj Maitra, Eduardo Colla Ruvolo, JR., Yongyi Zhang
  • Publication number: 20150320671
    Abstract: A sunscreen composition including a polymer composition that contains a UV-absorbing polyglycerol having a UV-absorbing chromophore chemically bound thereto, and a cosmetically-acceptable topical carrier that contains at least one percent by weight of the sunscreen composition of a non-UV-absorbing polyglycerol, based on total weight of the sunscreen composition.
    Type: Application
    Filed: March 31, 2015
    Publication date: November 12, 2015
    Inventors: Susan Daly, Prithwiraj Maitra, Barry Setiawan
  • Patent number: 9144535
    Abstract: A particulate metal oxide is provided that includes a cationic portion containing a zinc portion, a first manganese dopant portion and a second dopant portion selected from the group consisting of iron and aluminum, wherein the zinc portion is about 99% by weight or more of the cationic portion and the manganese dopant portion and second dopant portion are present in a weight ratio of from about 5:1 to 1:5.
    Type: Grant
    Filed: May 5, 2014
    Date of Patent: September 29, 2015
    Assignee: Johnson & Johnson Consumer Inc.
    Inventors: Susan Daly, Euen Thomas Graham Ekman Gunn, Prithwiraj Maitra, Eduardo Colla Ruvolo, Jr., Yongyi Zhang
  • Patent number: 9072672
    Abstract: Compositions for altering the color of teeth, including tooth-coating compositions comprising a colorant and an acrylate polymer. Colorants among those useful herein include whiteness-imparting particulate materials, such as hydroxyapatite.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: July 7, 2015
    Assignee: Colgate-Palmolive Company
    Inventors: Prithwiraj Maitra, Suman K. Chopra, Sayed Ibrahim, Eugene Pashkovski, Michael Prencipe
  • Publication number: 20150174014
    Abstract: Gel-wipes suitable for use in personal care and household cleansing applications are disclosed, which include a substrate having a first surface, a second surface opposing the first surface and a body disposed between and defined by the first and second surfaces, fibers having an outer surface and an inner core, a polymeric gel distributed throughout the substrate such that a substantial portion of the fibers contain the polymeric gel distributed throughout the inner core of the fibers; and a liquid cleansing composition, wherein the inner core of a substantial portion of the fibers and the polymeric gel are substantially free of the liquid cleansing composition; as well as methods of making the gel-wipe.
    Type: Application
    Filed: December 19, 2013
    Publication date: June 25, 2015
    Inventors: Elizabeth Bruning, Gabriella Marie DeMarco, Euen Thomas Graham Ekman Gunn, Claudia Kaminski, Kevin Lahey, Prithwiraj Maitra, Selina Moses, Delores Santora
  • Patent number: 9056053
    Abstract: The present invention relates to cosmetic, dermatological, and pharmaceutical compositions that deliver, in an acceptable vehicle or carrier comprising a film former or wax and an effective amount of nanoparticles and one or more pigments and methods for improving the appearance of a biological surface by altering the optical properties of the biological surface. The compositions of the invention enhance color and may be topically applied to the biological surface in an amount effective in improving the aesthetic and natural appearance of the biological surface.
    Type: Grant
    Filed: January 8, 2008
    Date of Patent: June 16, 2015
    Assignee: Avon Products, Inc
    Inventors: Prithwiraj Maitra, Steven Carlo, Rahul A. Ranade