Patents by Inventor Purushottam Jugalkishor Chandak

Purushottam Jugalkishor Chandak 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: 8080510
    Abstract: A detergent composition comprising i) 1-70% of an anionic or nonionic surfactant, ii) 1-75% of a builder, iii) 0.001-5% of at least one compound of Formula (1) wherein R represents a C1-C4alkyl residue and M represents hydrogen or an alkali metal cation, optionally with further FWA's, iv) 0-30% of a peroxide, v) 0-10% of a peroxide activator, vi) 0-5% of a bleaching catalyst and vii) 0-5% of an enzyme, each component by weight, based on the total weight of the detergent composition, use thereof for domestic washing of textile fibre materials and a process for the fluorescent whitening of textile materials.
    Type: Grant
    Filed: May 14, 2007
    Date of Patent: December 20, 2011
    Assignee: BASF SE
    Inventors: Oliver Becherer, Robert Hochberg, Gerhard Merkle, Bernard Schultz, Purushottam Jugalkishor Chandak
  • Publication number: 20090106916
    Abstract: A detergent composition comprising i) 1-70% of an anionic or nonionic surfactant, ii) 1-75% of a builder, iii) 0.001-5% of at least one compound of Formula (1) wherein R represents a C1-C4alkyl residue and M represents hydrogen or an alkali metal cation, optionally with further FWA's, iv) 0-30% of a peroxide, v) 0-10% of a peroxide activator, vi) 0-5% of a bleaching catalyst and vii) 0-5% of an enzyme, each component by weight, based on the total weight of the detergent composition, use thereof for domestic washing of textile fibre materials and a process for the fluorescent whitening of textile materials.
    Type: Application
    Filed: May 14, 2007
    Publication date: April 30, 2009
    Inventors: Oliver Becherer, Robert Hochberg, Gerhard Merkle, Bernard Schultz, Purushottam Jugalkishor Chandak