Patents by Inventor Ramakant Tukaram Shet

Ramakant Tukaram Shet 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).

  • Sulfonated cellulose having improved absorbent properties
    Patent number: 5703225
    Abstract: Disclosed is a water-swellable, water-insoluble sulfonated cellulose having improved absorption properties. One embodiment of the present invention concerns a water-swellable, water-insoluble sulfonated cellulose having an average degree of sulfonic group substitution from about 0.2 to about 0.5 that exhibits an initial Absorbency Under Load value of at least about 8 grams per gram. The sulfonated cellulose may be used in disposable absorbent products.
    Type: Grant
    Filed: December 13, 1995
    Date of Patent: December 30, 1997
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Ramakant Tukaram Shet, Palani Raj R. Wallajapet
  • Modified cellulose fiber having improved curl
    Patent number: H1704
    Abstract: Disclosed is a modified cellulose fiber having improved curl characteristics. Specifically, the present invention relates to oxidized or sulfonated cellulose fibers being highly curled, wherein such curl is highly stable. The oxidized or sulfonated curled cellulose fiber may be prepared by a process comprising treating the fibers in a high energy refiner effective to provide the desired curl properties to the fiber. The modified cellulose having improved curl characteristics may be used in disposable absorbent products.
    Type: Grant
    Filed: December 13, 1996
    Date of Patent: January 6, 1998
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Palani Raj Ramaswami Wallajapet, Ramakant Tukaram Shet