Patents by Inventor Praful Gulab Rao Lahorkar

Praful Gulab Rao Lahorkar 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: 20240261201
    Abstract: The present invention relates to a method of delivering high Sun Protection Factor (SPF) and UVA protection factor (UVAPF) to a topical surface of a body preferably the human body. The method more preferably provides for synergistic benefit of SPF and UVA PF over and above that which can be delivered through each of two individual steps carried out sequentially viz. washing off the skin with a specific cleansing composition followed by the step of applying a sunscreen composition on to the same skin surface. The specific cleansing composition comprises water soluble sunscreens but the leave-on composition could comprise any sunscreen.
    Type: Application
    Filed: June 1, 2022
    Publication date: August 8, 2024
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Praful Gulab Rao LAHORKAR, Rajkumar PERUMAL, Ashish Anant VAIDYA
  • Patent number: 11883516
    Abstract: The invention relates to a personal cleansing composition that delivers enhanced deposition of sunscreens on to the topical surface of the body. The composition more particularly provides for such wash off compositions that ensure that the sunscreens incorporated therein are stable and due to the high deposition on to surface provide high Sun Protection Factor (SPF). This is achieved through combination of two select water-soluble sunscreens in a high surfactant containing composition.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: January 30, 2024
    Assignee: CONOPCO, INC.
    Inventors: Mohini Anand Bapat, Praful Gulab Rao Lahorkar, Rajkumar Perumal, Nikita Tomar, Ashish Anant Vaidya
  • Publication number: 20230181440
    Abstract: The invention relates to a personal cleansing composition that delivers enhanced deposition of sunscreens on to the topical surface of the body thereby ensuring high UV protection to the surface while the skin is washed clean of undesirable oils and dirt. This is achieved through incorporation of select water-soluble sunscreens in a high surfactant containing composition. The composition comprises 3 to 80% surfactant, 0.1 to 10 wt % water soluble organic sunscreen and a cosmetically acceptable carrier. The sunscreen is disodium phenyl dibenzimidazole tetrasulfonate, terephthalylidene dicamphor sulfonic acid or a combination thereof.
    Type: Application
    Filed: June 1, 2021
    Publication date: June 15, 2023
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Praful Gulab Rao LAHORKAR, Rajkumar PERUMAL, Ashish Anant VAIDYA
  • Publication number: 20230181439
    Abstract: The invention relates to a personal cleansing composition that delivers enhanced deposition of sunscreens on to the topical surface of the body. The composition more particularly provides for such wash off compositions that ensure that the sunscreens incorporated therein are stable and due to the high deposition on to surface provide high Sun Protection Factor (SPF). This is achieved through combination of two select water-soluble sunscreens in a high surfactant containing composition.
    Type: Application
    Filed: May 31, 2021
    Publication date: June 15, 2023
    Inventors: Mohini Anand BAPAT, Praful Gulab Rao LAHORKAR, Rajkumar PERUMAL, Nikita TOMAR, Ashish Anant VAIDYA
  • Publication number: 20220331225
    Abstract: The present invention relates to a polymer of formula I, a cosmetic composition comprising the polymer of formula I, a method of synthesizing the polymer of formula I; and use of the polymer of formula Ito provide a benefit in a photoresponsive way.
    Type: Application
    Filed: May 26, 2020
    Publication date: October 20, 2022
    Inventors: Praful Gulab Rao LAHORKAR, Shiyong LIU, Rajkumar PERUMAL, Shengyu SHI, Ashish Anant VAIDYA, Chenzhi YAO, Xiaoxia YANG
  • Patent number: 9775797
    Abstract: The present invention relates to a personal care composition for topical application having skin lightening application. It is an object of the present invention to provide for a personal care composition that comprises fractions obtained from natural sources that gives enhanced skin lightening as compared to known fractions from natural sources.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: October 3, 2017
    Assignee: Conopco, Inc.
    Inventors: Vijay Ramchandra Gadgil, Praful Gulab Rao Lahorkar
  • Patent number: 9539189
    Abstract: The invention relates to a photoprotective personal care composition that provides enhanced stability of the UV-A sunscreen present therein. The present inventors have found that it is possible to enhance stability of the UV-A sunscreen of the dibenzoylmethane group by including certain compounds of the chalcone group.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: January 10, 2017
    Assignee: Conopco, Inc.
    Inventors: Praful Gulab Rao Lahorkar, Ashish Anant Vaidya, Mohan Vijaykumar Chavan, Vijay Ramchandra Gadgil
  • Publication number: 20160166628
    Abstract: The invention relates to a composition that provides enhanced macro/microcirculation when applied on skin or is ingested. This composition has applications in areas such as reduction of under-eye dark circles, scalp health, reduction in under-arm darkening when applied topically and provides reduction in cardiovascular diseases when ingested orally. The anti-inflammatory and skin health benefits including anti-aging and skin lightening benefits are achieved using a combination of extract of Rubia cordifolia and Butea monosperma.
    Type: Application
    Filed: July 21, 2014
    Publication date: June 16, 2016
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Paul Mark DIAS, Vijay Ramchandra GADGIL, Praful Gulab Rao LAHORKAR, Ravi Kant SHUKLA
  • Publication number: 20160081896
    Abstract: The invention relates to a photoprotective personal care composition that provides enhanced stability of the UV-A sunscreen present therein. The present inventors have found that it is possible to enhance stability of the UV-A sunscreen of the dibenzoylmethane group by including certain compounds of the chalcone group.
    Type: Application
    Filed: April 24, 2014
    Publication date: March 24, 2016
    Applicant: Conopco, In., d/b/a UNILEVER
    Inventors: Praful Gulab Rao LAHORKAR, Ashish Anant VAIDYA, Mohan Vijaykumar CHAVAN, Vijay Ramchandra GADGIL
  • Publication number: 20150037267
    Abstract: The present invention relates to a personal care composition for topical application having skin lightening application. It is an object of the present invention to provide for a personal care composition that comprises fractions obtained from natural sources that gives enhanced skin lightening as compared to known fractions from natural sources.
    Type: Application
    Filed: March 11, 2013
    Publication date: February 5, 2015
    Applicant: Conopco., Inc., d/b/a UNILEVER
    Inventors: Vijay Ramchandra Gadgil, Praful Gulab Rao Lahorkar