Patents by Inventor Amitabha MAJUMDAR

Amitabha MAJUMDAR 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).

  • Patent number: 11224562
    Abstract: The present invention relates to a topical composition. The present invention more particularly relates to a topical composition for antimicrobial benefit and a method of disinfecting a surface. According to the invention there is provided a topical composition comprising: a) 0.1 to 10% by weight of Niacinamide or its derivatives; b) 0.01% to 5% by weight of a first quaternary ammonium salt comprising Didecyl Dimethyl Ammonium Chloride; c) 0.01 to 5% by weight of a second quaternary ammonium salt; and d) a cosmetically acceptable base.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: January 18, 2022
    Assignee: CONOPCO, INC.
    Inventors: Ajit Manohar Agarkhed, Mohini Anand Bapat, Amitabha Majumdar, Prathyusha Mallemala, Mruthyunjaya Swamy Mathapathi, Nikita Tomar
  • Publication number: 20210392884
    Abstract: This invention relates to an antimicrobial composition, more particularly a personal care composition like a soap bar. It more particularly relates to a composition comprising an essential oil compound and a tetra hydroxy alkylene amine compound which interact synergistically to provide the desired result.
    Type: Application
    Filed: October 28, 2019
    Publication date: December 23, 2021
    Applicant: CONOPCO, INC., D/B/A UNILEVER
    Inventors: Ajit Manohar AGARKHED, Khushbu AGARWAL, Amitabha MAJUMDAR, Mruthyunjaya Swamy MATHAPATHI
  • Publication number: 20210308025
    Abstract: The present invention relates to an extruded soap bar composition. It more particularly relates to a soap bar composition which delivers the enhanced antimicrobial benefit to skin while ensuring that the soap bar is easy to extrude. This is achieved by including free fatty acids in the soap bar composition while ensuring that part of the free fatty acid is hydroxy stearic acid.
    Type: Application
    Filed: October 24, 2019
    Publication date: October 7, 2021
    Applicant: CONOPCO, INC., D/B/A UNILEVER
    Inventors: Ajit Manohar AGARKHED, Nitish KUMAR, Amitabha MAJUMDAR, Mruthyunjaya Swamy MATHAPATHI
  • Publication number: 20200404915
    Abstract: The invention relates to a sanitizer composition for topical use, i.e. for application onto the human skin, especially on hands for instantaneous disinfection of the body part while imparting long lasting immunity benefit. The sanitizer composition comprising high amount of alcohol and vitamin B3 compound or a derivative thereof is seen to be hazy and this problem is solved by inclusion of specific type non-ionic surfactant.
    Type: Application
    Filed: February 19, 2019
    Publication date: December 31, 2020
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Mohini Anand BAPAT, Amitabha MAJUMDAR, Mruthyunjaya Swamy MATHAPATHI, Janhavi Sanjay RAUT
  • Patent number: 10869862
    Abstract: This invention relates to an antimicrobial composition for application onto human skin, said composition comprising: a. 20 to 90 wt. % of one or more C2 to C4 monohydric alcohols; b. 0.5 to 10 wt. % vitamin B3 compound; c. 1 to 20 wt. % of one or more polyols; and wherein the weight ratio of the vitamin B3 compound to the one or more polyols is in the range of 1:2 to 1:20 and wherein the viscosity of the composition is in the range of 0.5 Pa s (500 cps) to 18 Pa s (18000 cps) at 25° C. wherein the one or more C2 to C4 monohydric alcohols are selected from ethanol, isopropyl alcohol and combinations thereof and further wherein the composition comprises a combination of ethanol and isopropyl alcohol.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: December 22, 2020
    Assignee: CONOPCO, INC.
    Inventors: Ajit Manohar Agarkhed, Mohini Anand Bapat, Amitabha Majumdar, Mruthyunjaya Swamy Mathapathi, Nikita Tomar
  • Publication number: 20200315939
    Abstract: The present invention relates to a topical composition comprising from 0.001 to 10% by weight a compound of formula (I), i.e. N-cyclopropyl nicotinamide, that provides improved antimicrobial effect through generation of antimicrobial peptides when applied to an external surface of the human body. A combination of compound of formula I and at least one ingredient selected from niacinamide, picolinamide and iso-nicotinamide triggers generation of AMPs in a synergistic way.
    Type: Application
    Filed: December 17, 2018
    Publication date: October 8, 2020
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Khushbu AGARWAL, Balu KUNJUPILLAI, Amitabha MAJUMDAR
  • Publication number: 20200316050
    Abstract: The present invention relates to a topical composition comprising a compound pf formula (I) wherein R is a cycloalkyl group with the total number of carbon atoms in the cycloalkyl group in the range 4 to 6.
    Type: Application
    Filed: December 17, 2018
    Publication date: October 8, 2020
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: KHUSHBU AGARWAL, Vijay Ramchandra GADGIL, Balu KUNJUPILLAI, Amitabha MAJUMDAR
  • Publication number: 20200230045
    Abstract: The present invention relates to a topical composition and more particularly a topical composition for antimicrobial benefit. According to the present invention there is provided a topical composition comprising Niacinamide and picolinamide wherein the molar ratio of Niacinamide to picolinamide is from I:20 to 20:I.
    Type: Application
    Filed: March 18, 2020
    Publication date: July 23, 2020
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Amitabha MAJUMDAR, Mruthyunjaya Swamy MATHAPATHI
  • Patent number: 10660840
    Abstract: The present invention relates to a topical composition and more particularly a topical composition for antimicrobial benefit. According to the present invention there is provided a topical composition comprising Niacinamide and picolinamide wherein the molar ratio of Niacinamide to picolinamide is from 1:20 to 20:1.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: May 26, 2020
    Assignee: CONOPCO, INC.
    Inventors: Amitabha Majumdar, Mruthyunjaya Swamy Mathapathi
  • Patent number: 10456353
    Abstract: The invention relates to a personal care composition which provides enhanced inter-cellular tight junction in skin cells. The invention more particularly relates to use of such composition for application on skin, scalp, hair and oral cavity. The personal care composition comprises an extract of Aloe vera and a hyaluronic acid polymer having a molecular weight from 5 to 60 kDa.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: October 29, 2019
    Assignee: CONOPCO, INC.
    Inventors: Ramitha Kalathil, Amitabha Majumdar, Suman Majumder, Jagannath Taduri
  • Patent number: 10449137
    Abstract: The present invention provides an antimicrobial composition comprising a) Thymol; b) Terpineol; c) Niacinamide or its derivatives thereof; and d) a cosmetically acceptable base.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: October 22, 2019
    Assignee: CONOPCO, INC.
    Inventors: Khushbu Agarwal, Amitabha Majumdar, Mruthyunjaya Swamy Mathapathi
  • Patent number: 10449143
    Abstract: The invention relates to a specific fraction of Aloe vera extract for enhancing tight junction in skin cells. The invention more particularly relates to use of such a fraction in skin, oral and hair care compositions. The inventive extract of Aloe vera comprises 60 to 95% by weight of polysaccharides having a molecular weight in the range of 2 to 3 kDa, and less than 5% polyphenols, wherein the polysaccharides are hydrolysed by trifiuoroacetic acid.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: October 22, 2019
    Assignee: CONOPCO, INC.
    Inventors: Ramitha Kalathil, Amitabha Majumdar, Suman Majumder, Jagannath Taduri
  • Publication number: 20190209544
    Abstract: This invention relates to an antimicrobial composition for application onto human skin, said composition comprising: a. 20 to 90 wt. % of one or more C2 to C4 monohydric alcohols; b. 0.5 to 10 wt. % vitamin B3 compound; c. 1 to 20 wt. % of one or more polyols; and wherein the weight ratio of the vitamin B3 compound to the one or more polyols is in the range of 1:2 to 1:20 and wherein the viscosity of the composition is in the range of 0.5 Pa s (500 cps) to 18 Pa s (18000 cps) at 25° C. wherein the one or more C2 to C4 monohydric alcohols are selected from ethanol, isopropyl alcohol and combinations thereof and further wherein the composition comprises a combination of ethanol and isopropyl alcohol.
    Type: Application
    Filed: May 4, 2017
    Publication date: July 11, 2019
    Applicant: Conopco, Inc., d/b/a Unilever
    Inventors: Ajit Manohar AGARKHED, Mohini Anand BAPAT, Amitabha MAJUMDAR, Mruthyunjaya Swamy MATHAPATHI, Nikita TOMAR
  • Publication number: 20190175473
    Abstract: The present invention relates to a topical composition. The present invention more particularly relates to a topical composition for antimicrobial benefit and a method of disinfecting a surface. According to the invention there is provided a topical composition comprising: a) 0.1 to 10% by weight of Niacinamide or its derivatives; b) 0.01% to 5% by weight of a first quaternary ammonium salt comprising Didecyl Dimethyl Ammonium Chloride; c) 0.01 to 5% by weight of a second quaternary ammonium salt; and d) a cosmetically acceptable base.
    Type: Application
    Filed: April 11, 2017
    Publication date: June 13, 2019
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Ajit Manohar AGARKHED, Mohini Anand BAPAT, Amitabha MAJUMDAR, Prathyusha MALLEMALA, Mruthyunjaya Swamy MATHAPATHI, Nikita TOMAR
  • Publication number: 20180360724
    Abstract: The present invention provides an antimicrobial composition comprising a) Thymol; b) Terpineol; c) Niacinamide or its derivatives thereof; and d) a cosmetically acceptable base.
    Type: Application
    Filed: December 12, 2016
    Publication date: December 20, 2018
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Khushbu AGARWAL, Amitabha MAJUMDAR, Mruthyunjaya Swamy MATHAPATHI
  • Publication number: 20180296457
    Abstract: The present invention relates to a topical composition and more particularly a topical composition for antimicrobial benefit. According to the present invention there is provided a topical composition comprising Niacinamide and picolinamide wherein the molar ratio of Niacinamide to picolinamide is from 1:20 to 20:1.
    Type: Application
    Filed: October 4, 2016
    Publication date: October 18, 2018
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Amitabha MAJUMDAR, Mruthyunjaya Swamy MATHAPATHI
  • Publication number: 20170035686
    Abstract: The invention relates to a personal care composition which provides enhanced inter- cellular tight junction in skin cells. The invention more particularly relates to use of such composition for application on skin, scalp, hair and oral cavity. The personal care composition comprises an extract of Aloe vera and a hyaluronic acid polymer having a molecular weight from 5 to 60 kDa.
    Type: Application
    Filed: April 1, 2015
    Publication date: February 9, 2017
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Ramitha Kalathil, Amitabha MAJUMDAR, Suman MAJUMDER, Jagannath TADURI
  • Publication number: 20170035685
    Abstract: The invention relates to a specific fraction of Aloe vera extract for enhancing tight junction in skin cells. The invention more particularly relates to use of such a fraction in skin, oral and hair care compositions. The inventive extract of Aloe vera comprises 60 to 95% by weight of polysaccharides having a molecular weight in the range of 2 to 3 kDa, and less than 5% polyphenols, wherein the polysaccharides are hydrolysed by trifiuoroacetic acid.
    Type: Application
    Filed: April 2, 2015
    Publication date: February 9, 2017
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Ramitha KALATHIL, Amitabha MAJUMDAR, Suman MAJUMDER, Jagannath TADURI