Patents by Inventor Aldo C. Leopold

Aldo C. Leopold 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).

  • Method of protecting biological materials from destructive reactions in the dry state
    Patent number: 5290765
    Abstract: A method is provided for protection of biological materials from the stresses of air-drying and also from destructive reactions, such as oxidation and free-radical attack, which degrade the materials during long-term storage. The method involves drying the materials, which may contain potentially destructive agents such as free-radical generators or reducing sugars, in the presence of a vitrifying substance, and under conditions which allow the protective substance to become vitrified.
    Type: Grant
    Filed: February 11, 1992
    Date of Patent: March 1, 1994
    Assignee: Boyce Thompson Institute for Plant Research, Inc.
    Inventors: Scott H. Wettlaufer, Aldo C. Leopold
  • Method of protecting biological materials from destructive reactions in the dry state
    Patent number: 5200399
    Abstract: A method is provided for protection of biological materials from the stresses of air-drying and also from destructive reactions, such as oxidation and free-radical attack, which degrade the materials during long-term storage. The method involves drying the materials, which may contain potentially destructive agents such as free-radical generators or reducing sugars, in the presence of a vitrifying substance, and under conditions which allow the protective substance to become vitrified.
    Type: Grant
    Filed: April 1, 1991
    Date of Patent: April 6, 1993
    Assignee: Boyce Thompson Institute for Plant Research, Inc.
    Inventors: Scott H. Wettlaufer, Aldo C. Leopold