Patents by Inventor Steven R. Alexander

Steven R. Alexander 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).

  • Process for the electrochemical oxidation of arylketones
    Patent number: 5567299
    Abstract: The present invention provides a process for preparing arylglyoxals which comprise the steps of (a) electrochemically oxidizing an arylketone at a pH of less than about seven and at a temperature of from about -20.degree. C. to about 120.degree. C. in the presence of an electrolyte for a sufficient period of time to form an arylacetal, and (b) subjecting said acetal to hydrolysis for a sufficient period of time and under suitable temperature and pressure conditions to form said arylglyoxal.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: October 22, 1996
    Assignee: Hoechst Celanese Corporation
    Inventors: Ricardo E. Borjas, Carina Araullo-McAdams, Steven R. Alexander, George A. Blay, Yaw-Hwa Liu
  • Process for the electrochemical oxidation of arylketones
    Patent number: 5500099
    Abstract: The present invention provides a process for preparing arylglyoxals which comprise the steps of (a) electrochemically oxidizing an arylketone at a pH of less than about seven and at a temperature of from about -20.degree. C. to about 120.degree. C. in the presence of an electrolyte for a sufficient period of time to form an arylacetal, and (b) subjecting said acetal to hydrolysis for a sufficient period of time and under suitable temperature and pressure conditions to form said arylglyoxal.
    Type: Grant
    Filed: May 9, 1995
    Date of Patent: March 19, 1996
    Assignee: Hoechst Celanese Corporation
    Inventors: Ricardo E. Borjas, Carina Araullo-McAdams, Steven R. Alexander, George A. Blay, Yaw-Hwa Liu
  • Peritoneal dialysis solution containing carbohydrate polymers
    Patent number: 4761237
    Abstract: A peritoneal dialysis solution which comprises a water solution of physiological pH, and having physiological salts and metabolizable carbohydrate polymers in concentrations sufficient to safely effect the removal of solutes and water from a patient by peritoneal dialysis.
    Type: Grant
    Filed: June 22, 1987
    Date of Patent: August 2, 1988
    Assignee: Baxter Travenol Laboratories, Inc.
    Inventors: Steven R. Alexander, W. Michael Myers