Patents by Inventor Krish Sethachutkul

Krish Sethachutkul 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).

  • Dispersing agents for use with hydrofluoroalkane propellants
    Patent number: 5502076
    Abstract: Vitamin E acetate, C.sub.3 -linked triesters, glycerin, t-butanol, and transesterified oil/polyethylene glycol are effective dispersing agents for use with hydrofluoroalkanes. Effective amounts of the above are effective in suspending medicaments which are useful in inhalation aerosols, and especially meter-dose inhalers.
    Type: Grant
    Filed: March 8, 1994
    Date of Patent: March 26, 1996
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Suresh C. Dixit, David Goldman, John J. Hu, Krish Sethachutkul