Patents by Inventor Velayudhan Nair Kumar

Velayudhan Nair Kumar 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).

  • Bar composition comprising water-soluble anionic polymer and/or copolymer
    Patent number: 5998341
    Abstract: A composition for personal or fabric washing comprises:(i) 25 to 70% by weight of surfactant active;(ii) 0.05 to 5% by weight of water soluble anionic polymer and/or copolymer having a molecular weight of from 500 to 30,000;(iii) 15 to 50% by weight of water; and(iv) other additives making up the total balance.Such a composition is particularly suited for producing bars with high water content whilst retaining structural properties and processability. Enhanced physical properties such as higher yield stress, lathering and lower mush are also attained.
    Type: Grant
    Filed: January 16, 1997
    Date of Patent: December 7, 1999
    Assignee: Lever Brothers Company
    Inventors: Milind Vinayak Bhandary, Dhanraj Kalyansundaram Chokappa, Velayudhan Nair Kumar, Devadatta Shivaji Sankholkar