Patents by Inventor John D. Nelson, Jr.

John D. Nelson, Jr. 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).

  • Synergistic antimicrobial composition pyrithione and alcohol
    Patent number: 5854266
    Abstract: Disclosed herein is an antimicrobial composition characterized by synergistic antibacterial efficacy against Gram-negative bacteria and comprising an antimicrobially effective amount of a pyrithione salt or pyrithione acid, and an alcohol, preferably an aromatic alcohol. Also disclosed is a method of imparting antimicrobial activity to a composition comprising water or an organic solvent which comprises adding thereto an antimicrobially effective amount of the above-described antimicrobial composition.
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: December 29, 1998
    Assignee: Olin Corporation
    Inventor: John D. Nelson, Jr.
  • Synergistic biocide composition containing pyrithione plus an additive
    Patent number: 5716628
    Abstract: Disclosed herein is an antimicrobial composition characterized by synergistic antibacterial and antifungal efficacy and comprising a pyrithione salt or pyrithione acid, and at least one compound selected from the group consisting of benzyl and lower alkyl esters of para-hydroxybenzoic acid, salts thereof, carboxylic acids, salts thereof, and combinations thereof. Also disclosed is a method of imparting antimicrobial activity to a composition comprising water or an organic solvent which comprises adding thereto an antimicrobially effective amount of the above-described antimicrobial composition.
    Type: Grant
    Filed: July 29, 1996
    Date of Patent: February 10, 1998
    Assignee: The University of Connecticut
    Inventors: Robert T. Vinopal, John D. Nelson, Jr., Michael W. Glynn, Robert W. Coughlin, Robert F. Vieth, Jon R. Geiger
  • Personal care composition containing pyrithione and polymyxin
    Patent number: 5696083
    Abstract: This invention relates to personal care compositions, and, more specifically, to a composition comprising a pyrithione salt or acid, polymyxin antibiotic, and a suitable carrier. The pyrithione plus the polymyxin provide antimicrobial efficacy to the personal care composition. The personal care composition is useful in a variety of dermatological items, such as soaps, shampoos, and skin care medicaments.
    Type: Grant
    Filed: August 11, 1994
    Date of Patent: December 9, 1997
    Assignee: Olin Corporation
    Inventor: John D. Nelson, Jr.
  • Synergistic antimicrobial composition containing pyrithione and alcohol
    Patent number: 5614538
    Abstract: Disclosed herein is an antimicrobial composition characterized by synergistic antibacterial efficacy against Gram-negative bacteria and comprising an antimicrobially effective amount of a pyrithione salt or pyrithione acid, and an alcohol, preferably an aromatic alcohol. Also disclosed is a method of imparting antimicrobial activity to a composition comprising water or an organic solvent which comprises adding thereto an antimicrobially effective amount of the above-described antimicrobial composition.
    Type: Grant
    Filed: December 5, 1994
    Date of Patent: March 25, 1997
    Assignee: Olin Corporation
    Inventor: John D. Nelson, Jr.
  • Synergistic biocide composition containing pyrithione plus an additive
    Patent number: 5540920
    Abstract: Disclosed herein is an antimicrobial composition characterized by synergistic antibacterial and antifungal efficacy and comprising a pyrithione salt or pyrithione acid, and at least one compound selected from the group consisting of benzyl and lower alkyl esters of para-hydroxybenzoic acid, salts thereof, carboxylic acids, salts thereof, and combinations thereof. Also disclosed is a method of imparting antimicrobial activity to a composition comprising water or an organic solvent which comprises adding thereto an antimicrobially effective amount of the above-described antimicrobial composition.
    Type: Grant
    Filed: November 22, 1994
    Date of Patent: July 30, 1996
    Assignee: Olin Corporation
    Inventors: Robert T. Vinopal, John D. Nelson, Jr., Michael W. Glynn, Robert W. Coughlin, Robert F. Vieth, Jon R. Geiger
  • Synergistic biocide combination for industrial fluids
    Patent number: 5283005
    Abstract: The present invention relates to a composition comprising a antimicrobially effective amount of a combination of an pyrithione and a lipopeptide antibiotic. Also disclosed is an aqueous industrial functional fluid comprising an aqueous base fluid medium and an antimicrobially effective amount of a combination of a pyrithione and a lipopeptide antibiotic. Also disclosed is a process for providing biocidal activity to an aqueous industrial functional fluid which comprises incorporating into said fluid an antimicrobially-effective amount of a combination of a pyrithione and a lipopeptide antibiotic.
    Type: Grant
    Filed: October 8, 1992
    Date of Patent: February 1, 1994
    Assignee: Olin Corporation
    Inventors: John D. Nelson, Jr., Jon R. Geiger