Patents by Inventor Premnathan Naidoo

Premnathan Naidoo 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).

  • Adhesion and cohesion modifiers for asphalt
    Patent number: 8377189
    Abstract: The present invention relates to a bitumen or asphalt formulation for the pavement of road surfaces, said formulation comprising a mixture of bitumen and aggregates, and an additive package evenly distributed therein, said additive package comprising from about i) 10 to 60% by weight of an amine or modified amine surfactant, ii) from about 20 to 90% of an asphalt rheology modifying component.
    Type: Grant
    Filed: July 24, 2008
    Date of Patent: February 19, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Premnathan Naidoo, Sundaram Logaraj, Alan Duncan James
  • ASPHALT MODIFIERS, METHODS OF MODIFYING ASPHALT, ASPHALT COMPOSITIONS AND METHODS OF MAKING
    Publication number: 20120225979
    Abstract: Asphalt compositions and products comprising petroleum asphalt, polyolefin, and a wax.
    Type: Application
    Filed: December 5, 2011
    Publication date: September 6, 2012
    Inventors: Premnathan Naidoo, Patrick Keating
  • Asphalt modifiers for "warm mix" applications including adhesion promoter
    Publication number: 20100319577
    Abstract: The present invention generally relates to an additive package for warm-mix asphalt formulations for the pavement of road surfaces, said additive package comprising a) surfactant component, and b) an asphalt rheology modifying component, wherein said asphalt rheology modifying component comprises at least one of a i) a wax component and ii) a resin component. The invention also relates to a warm mix asphalt having improved compaction at lower temperatures, and to a pavement made from said warm mix asphalt.
    Type: Application
    Filed: November 11, 2008
    Publication date: December 23, 2010
    Applicant: Akzo Nobel N.V.
    Inventors: Premnathan Naidoo, Sundaram Logaraj, Alan Duncan James
  • ASPHALT MODIFIERS, METHODS OF MODIFYING ASPHALT, ASPHALT COMPOSITIONS AND METHODS OF MAKING
    Publication number: 20100227954
    Abstract: Asphalt compositions and products comprising petroleum asphalt, polyolefin, and a wax.
    Type: Application
    Filed: March 8, 2009
    Publication date: September 9, 2010
    Inventors: PREMNATHAN NAIDOO, Patrick Keating
  • ADHESION AND COHESION MODIFIERS FOR ASPHALT
    Publication number: 20100199885
    Abstract: The present invention relates to a bitumen or asphalt formulation for the pavement of road surfaces, said formulation comprising a mixture of bitumen and aggregates, and an additive package evenly distributed therein, said additive package comprising from about i) 10 to 60% by weight of an amine or modified amine surfactant, ii) from about 20 to 90% of an asphalt rheology modifying component.
    Type: Application
    Filed: July 24, 2008
    Publication date: August 12, 2010
    Applicant: AKZO NOBEL N.V.
    Inventors: Premnathan Naidoo, Sundaram Logaraj, Alan Duncan James