Patents by Inventor Sudhakar Sadashiv Mahajan

Sudhakar Sadashiv Mahajan 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).

  • Process for the preparation of aromatic polyesters
    Patent number: 5714567
    Abstract: An improved process for the preparation of aromatic polyesters, whereby dialkyl esters of aromatic dicarboxylic acids are melt-polymerized with aromatic bisphenol to furnish an amorphous poly(arylester) prepolymer. The amorphous poly(arylester) prepolymer is crystallized, separated, and dried to provide a crystallized poly(arylester) prepolymer, which is heated to yield the aromatic polyester.
    Type: Grant
    Filed: February 15, 1996
    Date of Patent: February 3, 1998
    Assignee: Council of Scientific & Ind. Research
    Inventors: Bhaskar Bhairavnath Idage, Sudhakar Sadashiv Mahajan, Swaminathan Sivaram