Patents by Inventor John C. Liao

John C. Liao 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).

  • Stable surgical irrigating solutions
    Publication number: 20030138499
    Abstract: Improved stability surgical irrigating solutions and methods of use are disclosed. The compositions comprise bifunctional compounds (i.e., compounds comprising antioxidant and antiinflammatory moieties) and physiological antioxidants to stabilize the bifunctional compounds. The compounds are useful in preventing and treating inflammatory and other disorders incident to surgery.
    Type: Application
    Filed: January 10, 2003
    Publication date: July 24, 2003
    Inventors: Mandar V. Shah, Uday Doshi, John C. Liao
  • Stabilized Romanowsky stain solution
    Patent number: 4382075
    Abstract: The present invention is a stabilized Romanowsky type stain solution. The stain solution which comprises azures, Methylene Blue and an eosin dye in methanol solution, is stabilized by the addition thereto of a stabilizing amount of a combination of dimethylamine hydrochloride and a second amine of the formula R.sub.2 NH.sub.2.sup.+ Cl.sup.- or R.sub.3 NH.sup.+ Cl.sup.- where R is ethyl, n-propyl or n-butyl.
    Type: Grant
    Filed: April 3, 1981
    Date of Patent: May 3, 1983
    Assignee: Miles Laboratories, Inc.
    Inventors: John C. Liao, John L. Ponzo, Ellen M. Jenning
  • Stabilized solution producing a Romanowsky effect
    Patent number: 4363632
    Abstract: Disclosed is a cell-staining solution which contains Azure B, Eosin Y, and a stabilizing amount of diethylamine hydrochloride in methanolic solution, which produces a Romanowsky-type staining effect.
    Type: Grant
    Filed: December 28, 1981
    Date of Patent: December 14, 1982
    Assignee: Miles Laboratories, Inc.
    Inventors: Elizabeth Custard, John C. Liao, John L. Ponzo
  • Stabilized Romanowsky stain solution
    Patent number: 4290769
    Abstract: The present invention is a stabilized Romanowsky type stain solution. The stain solution which comprises azures, Methylene Blue and an eosin dye in methanol is stabilized by the addition thereto of an ammonium halide, a primary, secondary or tertiary alkylamine hydrohalide or a combination thereof.
    Type: Grant
    Filed: October 14, 1980
    Date of Patent: September 22, 1981
    Assignee: Miles Laboratories, Inc.
    Inventors: John C. Liao, Chittaranjan P. Patel, John L. Ponzo