Patents by Inventor Linda L. LaFleur

Linda L. LaFleur 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).

  • Composition and method for inhibiting plaque formation
    Patent number: 4170636
    Abstract: A dentifrice composition is provided which contains a compound having the formula (R.sub.f).sub.m YX wherein R.sub.f is a fluoroaliphatic radical having from about 4 to 16 carbon atoms; Y is a calcium-complexing moiety; X is a terminal group which does not interfere with the complexing ability of said calcium-complexing moiety; and m is an integer of at least one. A method of inhibiting plaque formation in an oral environment is also provided.
    Type: Grant
    Filed: December 29, 1977
    Date of Patent: October 9, 1979
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Michael R. Engel, Robert W. H. Chang, Linda L. LaFleur
  • Compositions and methods for inhibiting plaque formation
    Patent number: 4161518
    Abstract: A dentifrice composition is provided containing a quaternary ammonium organosiloxane having the formula ##STR1## wherein R.sup.1 is an alkoxy group having from 1 to 5 carbon atoms, R.sup.2 is an alkylene group having from 1 to 25 carbon atoms, and R.sup.3, R.sup.4 and R.sup.5 are, individually, alkyl groups of from 1 to 25 carbon atoms, and X is an anion, preferably selected from chlorine, bromine fluorine and iodine. A method of inhibiting plaque formation on teeth in an oral environment is also provided.
    Type: Grant
    Filed: December 29, 1977
    Date of Patent: July 17, 1979
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Richard Y. Wen, Linda L. LaFleur, Michael R. Engel, Anthony J. Lucas