Patents by Inventor Dennis G. A. Nelson

Dennis G. A. Nelson 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).

  • Patent number: 7435409
    Abstract: The subject invention provides a detergent composition comprising an effective amount of a soluble potassium salt, a sodium (C8-C24) alkylsulfate in an amount effective to remove or loosen debris and/or stains from a surface, and a polar surfactant, said surfactant comprising a hydrophobic portion selected from a (C6-C30) alkyl group and a polymeric silicone group, wherein the molar ratio of the surfactant to the sodium (C8-C24) alkylsulfate is greater than or equal to about 1:1. Detergent compositions of the invention include oral compositions for removing and loosening plaque and/or stains from a dental surface and oral compositions for reducing dental nerve and/or dentin sensitivity.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: October 14, 2008
    Assignee: McNeil-PPC, Inc.
    Inventors: Dennis G. A. Nelson, Andrew R Gallopo
  • Patent number: 7153493
    Abstract: The subject invention provides compositions useful in oral cavity, comprising an effective amount of a soluble potassium salt, a sodium (C2–C24) alkylsulfate in an amount effective to remove or loosen debris and/or stains from a surface, and a polar surfactant, said surfactant comprising a hydrophobic portion selected from a (C6–C30) alkyl group and a polymeric silicone group, wherein the molar ratio of the surfactant to the sodium (C8–C24) alkylsulfate is greater than or equal to about 1:1. The subject invention also provides a mint flavoring that does not comprise a substantial amount of menthol, said mint flavoring being either a dementholated natural mint extract or a synthetic blend.
    Type: Grant
    Filed: July 30, 2003
    Date of Patent: December 26, 2006
    Assignee: Warner-Lambert Company LLC
    Inventors: Dennis G.A. Nelson, Andrew R Gallopo
  • Publication number: 20040022745
    Abstract: The subject invention provides a detergent composition comprising an effective amount of a soluble potassium salt, a sodium (C8-C24) alkylsulfate in an amount effective to remove or loosen debris and/or stains from a surface, and a polar surfactant, said surfactant comprising a hydrophobic portion selected from a (C6-C30) alkyl group and a polymeric silicone group, wherein the molar ratio of the surfactant to the sodium (C8-C24) alkylsulfate is greater than or equal to about 1:1. Detergent compositions of the invention include oral compositions for removing and loosening plaque and/or stains from a dental surface and oral compositions for reducing dental nerve and/or dentin sensitivity.
    Type: Application
    Filed: July 30, 2003
    Publication date: February 5, 2004
    Inventors: Dennis G. A. Nelson, Andrew R. Gallopo
  • Publication number: 20030113277
    Abstract: An oral rinse, dentifrice, or oral gel composition comprising:
    Type: Application
    Filed: October 29, 2002
    Publication date: June 19, 2003
    Inventors: Patricia A. Delli Santi, Dennis G. A. Nelson
  • Patent number: 6534042
    Abstract: An oral rinse, dentifrice, or oral gel composition comprising: a) about 0.01 weight % to about 5 weight % of a citrus flavor, citrus flavor ingredient, or mixtures thereof; b) about 0.01 weight % to about 5 weight % of a phenolic, said phenolic selected from the group consisting of menthol, eucalyptol, methyl salicylate, thymol, triclosan, and mixtures thereof; and c) an orally acceptable carrier. The claimed composition is useful in retarding the development of plaque, treating gingivitis, and reducing the viable population of micro-organisms in the oral cavity of a mammal.
    Type: Grant
    Filed: December 28, 2001
    Date of Patent: March 18, 2003
    Assignee: Pfizer Inc.
    Inventors: Patricia A. Delli Santi, Dennis G. A. Nelson
  • Publication number: 20020081270
    Abstract: An oral rinse, dentifrice, or oral gel composition comprising:
    Type: Application
    Filed: December 28, 2001
    Publication date: June 27, 2002
    Inventors: Patricia A. Delli Santi, Dennis G.A. Nelson
  • Publication number: 20010009660
    Abstract: An oral rinse, dentifrice, or oral gel composition comprising:
    Type: Application
    Filed: January 30, 2001
    Publication date: July 26, 2001
    Inventors: Patricia A. Delli Santi, Dennis G.A. Nelson
  • Patent number: 6261540
    Abstract: Oral rinse and dentifrice compositions, comprising a mint flavor, mint flavor ingredient, citrus flavor, citrus flavor ingredient, phenolic ingredient, or mixtures thereof, said phenolic ingredient selected from the group consisting of menthol, eucalyptol, methyl salicylate, thymol, triclosan, and mixtures thereof; a cyclodextrin selected from the group consisting of hydroxypropyl &bgr;-cyclodextrin, hydroxyethyl &bgr;-cyclodextrin, hydroxypropyl &ggr;-cyclodextrin, hydroxyethyl &ggr;-cyclodextrin, &agr;-cyclodextrin, methyl &bgr;-cyclodextrin, and mixtures thereof; and from about 0.1% by weight to about 10% by weight of hydrogen peroxide. These compositions are useful in retarding the development of plaque, treating gingivitis, and in treating the presence of micro-organisms in the oral cavity.
    Type: Grant
    Filed: October 20, 1998
    Date of Patent: July 17, 2001
    Assignee: Warner-Lambert Company
    Inventor: Dennis G. A. Nelson
  • Publication number: 20010006958
    Abstract: Oral rinse and dentifrice compositions, comprising a phenolic selected from the group consisting of menthol, eucalyptol, methyl salicylate, thymol, triclosan, and mixtures thereof; and a cyclodextrin selected from the group consisting of hydroxypropyl &bgr;-cyclodextrin, hydroxyethyl &bgr;-cyclodextrin, hydroxypropyl &ggr;-cyclodextrin, hydroxyethyl &ggr;-cyclodextrin, &agr;-cyclodextrin, methyl &bgr;-cyclodextrin, and mixtures thereof. These compositions are useful in retarding the development of plaque, treating gingivitis, and in treating the presence of micro-organisms in the oral cavity.
    Type: Application
    Filed: January 29, 2001
    Publication date: July 5, 2001
    Inventors: Dennis G.A. Nelson, Craig J. Sheehan
  • Patent number: 6245321
    Abstract: Oral rinse and dentifrice compositions, comprising a phenolic selected from the group consisting of menthol, eucalyptol, methyl salicylate, thymol, triclosan, and mixtures thereof; and a cyclodextrin selected from the group consisting of hydroxypropyl &bgr;-cyclodextrin, hydroxyethyl &bgr;-cyclodextrin, hydroxypropyl &ggr;-cyclodextrin, hydroxyethyl &ggr;-cyclodextrin, &agr;-cyclodextrin, methyl &bgr;-cyclodextrin, and mixtures thereof. These compositions are useful in retarding the development of plaque, treating gingivitis, and in treating the presence of micro-organisms in the oral cavity.
    Type: Grant
    Filed: April 23, 1999
    Date of Patent: June 12, 2001
    Assignee: Pfizer Inc.
    Inventors: Dennis G. A. Nelson, Craig J. Sheehan
  • Patent number: 6235267
    Abstract: An oral rinse, dentifrice, or oral gel composition comprising: a) about 0.01 weight % to about 5 weight % of a citrus flavor, citrus flavor ingredient, or mixtures thereof; b) about 0.01 weight % to about 5 weight % of a phenolic, said phenolic selected from the group consisting of menthol, eucalyptol, methyl salicylate, thymol, triclosan, and mixtures thereof; and c) an orally acceptable carrier. The claimed composition is useful in retarding the development of plaque, treating gingivitis, and reducing the viable population of micro-organisms in the oral cavity of a mammal.
    Type: Grant
    Filed: April 23, 1999
    Date of Patent: May 22, 2001
    Assignee: Pfizer Inc.
    Inventors: Patricia A. Delli Santi, Dennis G. A. Nelson
  • Patent number: 5948390
    Abstract: A stable oral rinse or clear oral gel composition, comprising:a) about 0.01% by weight to about 1% by weight of hydrated zinc cations;b) about 0.01% by weight to about 4% by weight of fully or partially protonated citrate moieties;c) about 0.01% by weight to about 2% by weight of cetyl pyridinium cations; andd) an orally acceptable vehicle;wherein said composition has a pH of from about 3.0 to about 4.5.
    Type: Grant
    Filed: August 18, 1998
    Date of Patent: September 7, 1999
    Assignee: Pfizer Inc.
    Inventors: Dennis G. A. Nelson, Alenjandro V. Ortega, II
  • Patent number: 5945088
    Abstract: An oral rinse, dentifrice, or oral gel composition comprising:a) about 0.01 weight % to about 5 weight % of a citrus flavor, citrus flavor ingredient, or mixtures thereof;b) about 0.01 weight % to about 5 weight % of a phenolic, said phenolic selected from the group consisting of menthol, eucalyptol, methyl salicylate, thymol, triclosan, and mixtures thereof; andc) an orally acceptable carrier.The claimed composition is useful in retarding the development of plaque, treating gingivitis, and reducing the viable population of micro-organisms in the oral cavity of a mammal.
    Type: Grant
    Filed: March 25, 1998
    Date of Patent: August 31, 1999
    Assignee: Pfizer Inc
    Inventors: Patricia A. Delli Santi, Dennis G. A. Nelson
  • Patent number: 5945087
    Abstract: Oral rinse and dentifrice compositions, comprising a phenolic selected from the group consisting of menthol, eucalyptol, methyl salicylate, thymol, triclosan, and mixtures thereof; and a cyclodextrin selected from the group consisting of hydroxypropyl .beta.-cyclodextrin, hydroxyethyl .beta.-cyclodextrin, hydroxypropyl .gamma.-cyclodextrin, hydroxyethyl .gamma.-cyclodextrin, .alpha.-cyclodextrin, methyl .beta.-cyclodextrin, and mixtures thereof. These compositions are useful in retarding the development of plaque, treating gingivitis, and in treating the presence of micro-organisms in the oral cavity.
    Type: Grant
    Filed: April 23, 1997
    Date of Patent: August 31, 1999
    Assignee: Pfizer Inc.
    Inventors: Dennis G. A. Nelson, Craig J. Sheehan
  • Patent number: 5578295
    Abstract: The subject invention encompasses methods and compositions comprising phosphate derivatives of triclosan for treating or preventing dental plaque, gingivitis or periodontal disease, of the oral cavity in humans or lower animals.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: November 26, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Marion D. Francis, Dennis G. A. Nelson
  • Patent number: 5447923
    Abstract: Methods for the treatment of a human or lower animal subject having an H. pylori-mediated upper gastrointestinal disorder comprising administering to said subject a safe and effective amount of a diphenyl ether phosphate ester of the following formula: ##STR1## wherein n is an integer from 0 to 3, or a pharmaceutically-acceptable salt thereof.
    Type: Grant
    Filed: October 11, 1994
    Date of Patent: September 5, 1995
    Assignee: The Proctor & Gamble Company
    Inventors: Carl E. Catrenich, Dennis G. A. Nelson
  • Patent number: 5391743
    Abstract: The present invention relates to quaternary nitrogen-containing phosphonate compounds, and the pharmaceutically-acceptable salts and esters thereof and having the general structure: ##STR1## wherein R.sup.1, R.sup.2, R.sup.5 and R.sup.8 are defined in claim 1, m and n are integers from 0 to 10; m+n is from 0 to 10;Z is a saturated, unsaturated, or aromatic, monocyclic or polycyclic carbocycle or monocyclic or polycyclic heterocycle containing one or more heteroatoms selected from O, S, or N, wherein at least one heteroatom is a quaternary nitrogen atom;R is COOH; PO.sub.3 H.sub.2 ; SO.sub.3 H; or P(O)(OH)R.sub.4, wherein R.sub.4 is substituted or unsubstituted alkyl of 1-8 carbon atoms;The present invention further relates to pharmaceutical compositions containing a safe and effective amount of a compound of the present invention, and pharmaceutically-acceptable excipients.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: February 21, 1995
    Assignee: Procter & Gamble Pharmaceuticals, Inc.
    Inventors: Frank H. Ebetino, Susan M. Kaas, Marion D. Francis, Dennis G. A. Nelson, John M. Janusz
  • Patent number: 4874315
    Abstract: A method for bonding of restorative materials, such as composite resins, to the surface of a tooth wherein the surface of the tooth is pretreated with a carbon dioxide laser of low energy density without damaging surrounding tissues or the underlying pulp of the tooth.
    Type: Grant
    Filed: February 19, 1987
    Date of Patent: October 17, 1989
    Assignee: Eastman Dental Center
    Inventors: John D. B. Featherstone, Lyndon F. Cooper, Michael L. Myers, Dennis G. A. Nelson