Patents by Inventor Betty Pui Lan Wen

Betty Pui Lan Wen 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).

  • Essentially pure polyalcohol aluminum complexes and their preparation
    Patent number: 4822876
    Abstract: Essentially pure polyalcohol aluminum complexes useful as antacids are prepared by first reacting a polyalcohol with an aluminum alkoxide under anhydrous conditions to form an intermediate and further reacting the intermediate with water.
    Type: Grant
    Filed: December 2, 1986
    Date of Patent: April 18, 1989
    Assignee: Warner-Lambert Company
    Inventors: Arthur P. G. Wright, Betty Pui Lan Wen, Terry G. Schenck, Antonina Maron