Patents by Inventor Albert E. Posthuma

Albert E. Posthuma 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).

  • Synthetic physiological mucus
    Patent number: 4232003
    Abstract: A synthetic physiological mucus having particular usefulness as a vaginal and surgical lubricant, based upon a pituitous aqueous solution of a high molecular weight polyacrylamide.
    Type: Grant
    Filed: November 26, 1975
    Date of Patent: November 4, 1980
    Inventors: Albert E. Posthuma, Robert C. Woodhouse
  • Synthetic physiological mucus
    Patent number: 3965908
    Abstract: A synthetic physiological mucus having particular usefulness as a vaginal and surgical lubricant, based upon a pituitous aqueous solution of a high molecular weight polyacrylamide.
    Type: Grant
    Filed: November 26, 1975
    Date of Patent: June 29, 1976
    Inventors: Albert E. Posthuma, Robert C. Woodhouse