Patents by Inventor Harry T. McNary

Harry T. McNary 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).

  • Absorbable dusting powder derived from reduced-protein modified starch
    Patent number: 5385608
    Abstract: Absorbable dusting powders suitable for medical, consumer and industrial applications such as lubricating gloves and medical apparatus are prepared by treating starch with a hypochlorite to remove protein and oxidize some of the hydroxyl groups. The modified starch dusting powders are free flowing and are characterized by a protein content of less than about 0.15% by weight and hydroxyl groups oxidized to a level of from about 0.03 to about 0.5% by weight. Protein content can be reduced further by washing with water.
    Type: Grant
    Filed: May 16, 1994
    Date of Patent: January 31, 1995
    Assignee: CPC International Inc.
    Inventors: Larry E. Fitt, Harry T. McNary
  • Absorbable dusting powder derived from reduced-protein modified starch
    Patent number: 5346892
    Abstract: Absorbable dusting powders suitable for medical, consumer and industrial applications such as lubricating gloves and medical apparatus are prepared by treating starch with a hypochlorite to remove protein and oxidize some of the hydroxyl groups. The modified starch dusting powders are free flowing and are characterized by a protein content of less than about 0.15% by weight and hydroxyl groups oxidized to a level of from about 0.03 to about 0.5% by weight. Protein content can be reduced further by washing with water.
    Type: Grant
    Filed: April 3, 1992
    Date of Patent: September 13, 1994
    Assignee: CPC International Inc.
    Inventors: Larry E. Fitt, Harry T. McNary
  • Absorbable dusting powder derived from starch
    Patent number: 5126334
    Abstract: Absorbable dusting powders suitable for medical applications such as lubricating surgical gloves are prepared by treating starch with a hypochlorite to remove protein and oxidize some of the hydroxyl groups, and partially cross-linking the hypochlorite-treated starch with phosphorus oxychloride. The modified starch dusting powders are free flowing and are characterized by a protein content of less than about 0.15% by weight, hydroxyl groups oxidized to a level of from about 0.5 to about 0.05% by weight and a degree of cross-linking of other hydroxyl groups characterized by bound phosphorus levels of from about 200 to about 1200 ppm.
    Type: Grant
    Filed: December 5, 1990
    Date of Patent: June 30, 1992
    Assignee: CPC International, Inc.
    Inventors: Larry E. Fitt, Harry T. McNary