Patents by Inventor P. R. Lakshmanan

P. R. Lakshmanan 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).

  • Cable filling and flooding compounds
    Patent number: 5728754
    Abstract: Cable filling and flooding compositions are disclosed in which a carrier component such as process oil, mineral oil, synthetic oil, liquid polybutene or petrolatum is modified by the inclusion of high density polyethylene byproduct wax, a homo or partially crystalline copolymer of ethylene and, optionally, amorphous polypropylene and block copolymer to provide finished compositions with the application temperature viscosities, slump and other characteristics desirable for cable fill and flood applications.
    Type: Grant
    Filed: July 2, 1996
    Date of Patent: March 17, 1998
    Assignee: The International Group, Inc.
    Inventors: P. R. Lakshmanan, Amir Tayebianpour
  • Polymer compositions
    Patent number: 5482982
    Abstract: Blended polymer compositions are disclosed comprising an admixture of (a) a copolymer of ethylene and an alphaolefin and (b) an amorphous polypropylene, and/or amorphous polyolefin, or mixtures thereof.
    Type: Grant
    Filed: October 13, 1994
    Date of Patent: January 9, 1996
    Assignee: IGI Baychem, Inc.
    Inventors: P. R. Lakshmanan, Amir Tayebianpour
  • Polymer compositions
    Patent number: 5478891
    Abstract: Blended polymer compositions are disclosed comprising an admixture of (a) a copolymer of ethylene and an alphaolefin and (b) an amorphous polypropylene, and/or amorphous polyolefin, or mixtures thereof.
    Type: Grant
    Filed: October 13, 1994
    Date of Patent: December 26, 1995
    Assignee: IGI Baychem, Inc.
    Inventors: P. R. Lakshmanan, Amir Tayebianpour
  • Polymer compositions comprising amorphous propylene polymer
    Patent number: 5397843
    Abstract: Blended polymer compositions are disclosed comprising an admixture of (a) a copolymer of ethylene and an alphaolefin and (b) an amorphous polypropylene, and/or amorphous polyolefin, or mixtures thereof.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: March 14, 1995
    Assignee: IGI Baychem, Inc.
    Inventors: P. R. Lakshmanan, Amir Tayebianpour