Patents by Inventor David G. Shand

David G. Shand 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).

  • Bioactive factors of aloe vera plants
    Patent number: 5902796
    Abstract: A bioactive Factor produced, separated and isolated from either an aloe vera leaf or a product derived and processed from an aloe leaf, such as raw aloe vera gel, freeze-dried aloe vera gel extract, bulk acetylated mannan and bulk pharmaceutical mannan, utilizing different sizing processes, their processes or preparations, and their uses. The process of sizing can be accomplished by centrifugation, filtration, ultrafiltration, chromatography, dialysis, selective precipitation, pH adjustment, irradiation, homogenizing, or a combination of such processes. Compounding or mixing two or more different bioactive Factors from aloe at various concentration ratios, each Factor with its own specific bioactivity or bioactivities, to obtain a new bioactive Factor having desired optimal additive or synergistic effects.
    Type: Grant
    Filed: September 22, 1995
    Date of Patent: May 11, 1999
    Assignee: Carrington Laboratories, Inc.
    Inventors: David G. Shand, Kenneth Yates, D. Eric Moore, Bill H. McAnalley, Santiago Rodriguez
  • Tolrestat for inhibition of weight gain
    Patent number: 4716177
    Abstract: A method is disclosed for inhibiting weight gain by administering an effective amount of tolrestat.
    Type: Grant
    Filed: April 17, 1986
    Date of Patent: December 29, 1987
    Assignee: American Home Products Corporation
    Inventors: Steven W. Ryder, David G. Shand, John F. Mullane
  • Tolrestat as anti-hypertensive agent
    Patent number: 4701467
    Abstract: A method is disclosed for lowering blood pressure by administering an effective amount of tolrestat.
    Type: Grant
    Filed: April 17, 1986
    Date of Patent: October 20, 1987
    Assignee: American Home Products Corporation
    Inventors: Steven W. Ryder, David G. Shand, John F. Mullane