Patents by Inventor Lee C. Pedersen

Lee C. Pedersen 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).

  • Composition for absorbent film and method of preparation
    Patent number: 4467012
    Abstract: An absorbent composition comprising the reaction product at elevated temperature and pressure of hydrolyzed starch polyacrylonitrile graft copolymer and a polyhydric alcohol such as glycerol in the amount of between about 3% and 20%. The resulting composition exhibits good fluid absorbency and fast wicking properties and is particularly useful in producing absorbent laminated film for use in diapers, paper towels and the like. The present invention also relates to an improved absorbent laminated film prepared with the above absorbent composition and a method for preparing such absorbent laminated film.
    Type: Grant
    Filed: June 13, 1983
    Date of Patent: August 21, 1984
    Assignee: Grain Processing Corporation
    Inventors: Lee C. Pedersen, Lyle F. Elmquist
  • Composition for absorbent film and method and preparation
    Patent number: 4412036
    Abstract: An absorbent composition comprising the reaction product at elevated temperature and pressure of hydrolyzed starch polyacrylonitrile graft copolymer and a polyhydric alcohol such as glycerol in the amount of between about 3% and 20%. The resulting composition exhibits good fluid absorbency and fast wicking properties and is particularly useful in producing absorbent laminated film for use in diapers, paper towels and the like. The present invention also relates to an improved absorbent laminated film prepared with the above absorbent composition and a method for preparing such absorbent laminated film.
    Type: Grant
    Filed: August 5, 1981
    Date of Patent: October 25, 1983
    Assignee: Grain Processing Corporation
    Inventors: Lee C. Pedersen, Lyle F. Elmquist