Patents by Inventor Srinivasa Raman

Srinivasa Raman 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).

  • METHOD AND COMPOSITION FOR THE TREATMENT OF A SUBSTRATE
    Publication number: 20110232522
    Abstract: It has been found that hydrophobicity and stain-resistance can be imparted to a substrate by contacting the substrate with soap and a polyaluminum chloride in presence of water under specific range of pH, while the further addition of a quaternary silicone oil imparts oily soil repellence.
    Type: Application
    Filed: November 25, 2009
    Publication date: September 29, 2011
    Inventors: Somnath Das, Amitava Pramanik, Srinivasa Raman, Arpita Sarkar