Patents by Inventor Pauline H. Pan

Pauline H. Pan 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).

  • Anti-plaque compositions comprising a combination of morpholinoamino alcohol and chelating agent
    Patent number: 5147632
    Abstract: Compositions having improved anti-plaque activity comprise a synergistic combination of a) a morpholinoamino alcohol, such as 3-(4-propylheptyl)-4-(2-hydroxyethyl) morpholine, and b) a chelating agent such as ethylenediaminetetraacetic acid.
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: September 15, 1992
    Assignee: Warner-Lambert Company
    Inventors: Pauline H. Pan, Linda D. Sturdivant
  • Anti-plaque compositions comprising a combination of morpholinoamino alcohol and metal salts
    Patent number: 5085850
    Abstract: Compositions having improved anti-plaque and anti-gingivitis activity comprise a synergistic combination of a) a morpholinoamino alcohol or salt thereof, such as 3-(4- propylheptyl)-4-(2-hydroxyethyl) morpholine, and b) a metal salt, such as the salts of divalent zinc, copper and magnesium.
    Type: Grant
    Filed: November 9, 1990
    Date of Patent: February 4, 1992
    Assignee: Warner-Lambert Company
    Inventors: Pauline H. Pan, Steven S. Dills, Donald M. Lynch, Lori D. Kumar