Patents by Inventor Madukkarai K. Nagarajan

Madukkarai K. Nagarajan 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).

  • Aqueous laundry detergent compositions containing acrylic acid polymers
    Patent number: 5004557
    Abstract: A clear or translucent liquid detergent composition that is pourable at room temperature and provides soil anti-redeposition, improved cleaning performance, and viscosity control, comprises 1 to 60% of at least one surfactant, up to 20% of a water-soluble sequester builder, 0.1 to 2% of an active agent selected from homopolymers and copolymers of acrylic acid, and enough water and other additives to make 100% of said composition.
    Type: Grant
    Filed: November 3, 1988
    Date of Patent: April 2, 1991
    Assignee: The B. F. Goodrich Company
    Inventors: Madukkarai K. Nagarajan, Fred J. Wherley, Jody W. Frimel
  • Compositions containing lime soap dispersing polymers and their use
    Patent number: 4891149
    Abstract: Compositions and method of using such compositions in washing applications which comprise at least one water-soluble organic surfactant selected from anionic and nonionic surfactants and a lime soap dispersant having molecular weight of 20,000 to 100,000 that is a copolymer of acrylic or methacrylic acid and acrylamide itself or a substituted acrylamide, in salt form, the relative ratio of the acid to an acrylamide being 35 to 75% by weight polymerized acrylamide with remainder being polymerized acid.
    Type: Grant
    Filed: January 24, 1986
    Date of Patent: January 2, 1990
    Assignee: The BFGoodrich Company
    Inventors: Madukkarai K. Nagarajan, William R. Masler, III
  • Toilet soap containing polymeric thickener
    Patent number: 4828752
    Abstract: Toilet soap in solid form is the subject of this invention which contains 0.01 to 10% by weight of a natural or a synthetic polymeric thickener to impart to the soap improved processability, texture, humectancy, and lather quality and quantity.
    Type: Grant
    Filed: March 20, 1986
    Date of Patent: May 9, 1989
    Assignee: The B. F. Goodrich Company
    Inventor: Madukkarai K. Nagarajan