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: 20150040933
    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: Application
    Filed: October 23, 2014
    Publication date: February 12, 2015
    Inventors: Patricia Bonner, Claudia Kaminski, Danielle Lima Lorenzetti, Prithwiraj Maitra, Juliana Salles Moscardi, Jeffrey M. Wu
  • Publication number: 20150037383
    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: October 23, 2014
    Publication date: February 5, 2015
    Inventors: Patricia Bonner, Claudia Kaminski, Danielle Lima Lorenzetti, Prithwiraj Maitra, Juliana Salles Moscardi, Jeffrey M. Wu
  • Publication number: 20140234384
    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: April 23, 2014
    Publication date: August 21, 2014
    Applicant: JOHNSON & JOHNSON CONSUMER COMPANIES, INC.
    Inventors: Patricia Bonner, Claudia Kaminski, Danielle Lima Lorenzetti, Prithwiraj Maitra, Juliana Salles Moscardi, Jeffrey M. Wu
  • Publication number: 20140227331
    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: Application
    Filed: April 23, 2014
    Publication date: August 14, 2014
    Applicant: JOHNSON & JOHNSON CONSUMER COMPANIES, INC.
    Inventors: Patricia Bonner, Claudia Kaminski, Danielle Lima Lorenzetti, Prithwiraj Maitra, Juliana Salles Moscardi, Jeffrey M. Wu
  • Publication number: 20140134219
    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: Application
    Filed: October 23, 2013
    Publication date: May 15, 2014
    Applicant: JOHNSON & JOHNSON CONSUMER COMPANIES, IN
    Inventors: Patricia Bonner, Claudia Kaminski, Danielle Lima Lorenzetti, Prithwiraj Maitra, Juliana Salles Moscardi, Jeffrey M. Wu
  • Publication number: 20140030300
    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: Application
    Filed: September 30, 2013
    Publication date: January 30, 2014
    Applicant: Avon Products, Inc.
    Inventors: Prithwiraj Maitra, Steven Carlo, Rahul A. Ranade
  • Patent number: 8568695
    Abstract: A composite comprising a silicone compound sorbed onto a porous cross-linked polymer. This composition can be included in an oral care composition and inhibit bacterial adhesion on an oral surface.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: October 29, 2013
    Assignee: Colgate-Palmolive Company
    Inventors: Prithwiraj Maitra, Suman K. Chopra, Harsh M. Trivedi, Sayed Ibrahim, Tao Xu, Michael Prencipe
  • Patent number: 8545860
    Abstract: Compositions and methods for the preparation of a composition comprising a block copolymer and ester-terminated polyester amide solubilized in a compatible solvent are disclosed. The disclosed compositions are long-lasting, transfer resistant, flexible, and water-proof capable of complexing the active ingredient to provide such benefits. The disclosed compositions are useful for formulating cosmetics, personal care products, cosmeceuticals, and the like.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: October 1, 2013
    Assignee: Avon Products, Inc.
    Inventors: Arvind N. Shah, Freda E. Robinson, Kathy Cruz, David Alan Binder, Prithwiraj Maitra
  • Patent number: 8545821
    Abstract: Cosmetic compositions comprising water-redispersible polymers are provided, as well as methods for using such compositions in cosmetics that afford powder-to-liquid and moisture-resistant benefits. These cosmetics can provide easier portability, as well as long wear benefits when topically applied to the skin or hair.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: October 1, 2013
    Assignee: Avon Products, Inc.
    Inventors: Prithwiraj Maitra, Wendy Chan
  • Patent number: 8545823
    Abstract: A cosmetic composition for caring for and/or making up the skin, lips and/or body in the form of a film, which is non-transferable, long-lasting with a comfortable feeling of use to consumers over long periods of wear time. The composition contains graftable POSS which forms a film when it cures in situ. The invention also relates to using such film for preparing a cosmetic composition and a makeup process and makeup kit comprising the product.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: October 1, 2013
    Assignee: Avon Products, Inc
    Inventors: Prithwiraj Maitra, Tao Zheng
  • Publication number: 20120276031
    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: December 21, 2010
    Publication date: November 1, 2012
    Applicant: AVON PRODUCTS, INC.
    Inventors: Xiaolan Wei, Prithwiraj Maitra
  • Publication number: 20120269754
    Abstract: Described herein is a cosmetic composition comprising a mixture of volatile solvents with varying evaporation rates, wherein at least two of the volatile solvents are in combination with a film former. A single application of a cosmetic composition as described herein provides transfer resistance, long wear, and comfort and as such, may be used in lipsticks, lip glosses, mascara, hair care products, and other such cosmetics for which transfer resistance, long wear and comfort are desired properties.
    Type: Application
    Filed: October 1, 2010
    Publication date: October 25, 2012
    Applicant: Avon Products, Inc.
    Inventors: Giovana A. Sandstrom, John R. Glynn, JR., Prithwiraj Maitra
  • Publication number: 20120128746
    Abstract: A cosmetic composition for caring for and/or making up the skin, lips and/or body in the form of a film, which is non-transferable, long-lasting with a comfortable feeling of use to consumers over long periods of wear time. The composition contains graftable POSS which forms a film when it cures in situ. The invention also relates to using such film for preparing a cosmetic composition and a makeup process and makeup kit comprising the product.
    Type: Application
    Filed: January 27, 2012
    Publication date: May 24, 2012
    Applicant: AVON PRODUCTS, INC.
    Inventors: Prithwiraj Maitra, Tao Zheng
  • Patent number: 8133478
    Abstract: A cosmetic composition for caring for and/or making up the skin, lips and/or body in the form of a film, which is non-transferable, long-lasting with a comfortable feeling of use to consumers over long periods of wear time. The composition contains graftable POSS which forms a film when it cures in situ. The invention also relates to using such film for preparing a cosmetic composition and a makeup process and makeup kit comprising the product.
    Type: Grant
    Filed: May 9, 2007
    Date of Patent: March 13, 2012
    Assignee: Avon Products Inc.
    Inventors: Prithwiraj Maitra, Tao Zheng
  • Publication number: 20120015048
    Abstract: In one aspect, the invention relates to a method of making an emulsion composition. The method includes forming a water-in-oil emulsion and adding a galvanic particulate to the water-in-oil emulsion. In another aspect, a water-in oil emulsion is provided. The water-in-oil emulsion includes a water phase emulsified in a continuous oil phase; and a galvanic particulate. The oil-in water emulsion has a yield stress of at least about 20 Pascals (Pa).
    Type: Application
    Filed: July 8, 2011
    Publication date: January 19, 2012
    Inventors: Prithwiraj Maitra, Anna Prilutsky, Ying Sun
  • Patent number: 8034323
    Abstract: Compositions and methods for the in situ formation of cross-linked organosiloxane films are disclosed. The disclosed films are long-lasting, flexible, transfer-resistant, water-resistant and oil-resistant. The film-forming compositions generally comprise alkoxy-terminated organosiloxane polymers and a catalyst and are useful for formulating cosmetics and personal care products.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: October 11, 2011
    Assignee: Avon Products, Inc.
    Inventors: Tao Zheng, Derrick B. McKie, John C. Brahms, Prithwiraj Maitra
  • Publication number: 20110212042
    Abstract: The invention relates to a skin care composition, such as a color cosmetic, comprising an active ingredient that imparts an undesirable color to the composition, at least one inorganic pigment that comprises at least 60 weight percent titanium dioxide, at least one lake pigment, and at least one interference pigment.
    Type: Application
    Filed: February 28, 2011
    Publication date: September 1, 2011
    Inventors: Prithwiraj Maitra, Anna Prilutsky
  • Publication number: 20110195100
    Abstract: Novel lip compositions are disclosed. The lip compositions comprise galvanic particulates and provide the following benefits: enhanced lip color, reduced fine lines and wrinkles, increased fullness, improved moisturization, smoothness, texture, and improved definition and lip contour.
    Type: Application
    Filed: February 3, 2011
    Publication date: August 11, 2011
    Inventors: Elizabeth Bruning, Jeannette Chantalat, Prithwiraj Maitra
  • Publication number: 20110150947
    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: Application
    Filed: December 22, 2009
    Publication date: June 23, 2011
    Applicant: AVON PRODUCTS, INC.
    Inventors: Amitabh Bansal, John R. Glynn, JR., Prithwiraj Maitra
  • Publication number: 20110150799
    Abstract: Compositions and methods for the preparation of a composition comprising a block copolymer and ester-terminated polyester amide solubilized in a compatible solvent are disclosed. The disclosed compositions are long-lasting, transfer resistant, flexible, and water-proof capable of complexing the active ingredient to provide such benefits. The disclosed compositions are useful for formulating cosmetics, personal care products, cosmeceuticals, and the like.
    Type: Application
    Filed: December 23, 2009
    Publication date: June 23, 2011
    Applicant: AVON PRODUCTS, INC.
    Inventors: Arvind N. Shah, Freda E. Robinson, Kathy Cruz, David Alan Binder, Prithwiraj Maitra