Patents by Inventor Stanley L. Wachman

Stanley L. Wachman 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: 5424323
    Abstract: A biocidal, aqueous composition for killing bacteria, spores, fungi, and viruses on nonabsorbent surfaces comprises at least one quaternary ammonium compound, at least one aliphatic dialdehyde having from two to six carbon atoms, and at least one aliphatic hydroxyl compound having form one to eight carbon atoms.This sterilant is stable for weeks, is especially useful between pH 4 to 9, and may additionally comprise a chelating agent.
    Type: Grant
    Filed: March 23, 1994
    Date of Patent: June 13, 1995
    Assignee: Cetylite Industries, Inc.
    Inventors: Stanley L. Wachman, Sidney Karlan
  • Patent number: 5407949
    Abstract: A biocidal, aqueous composition for killing bacteria, spores, fungi, and viruses on nonabsorbent surfaces comprises at least one quaternary ammonium compound, at least one aliphatic dialdehyde having from two to six carbon atoms, and at least one aliphatic hydroxyl compound having form one to eight carbon atoms.This sterilant is stable for weeks, is especially useful between pH 4 to 9, and may additionally comprise a chelating agent.
    Type: Grant
    Filed: March 23, 1994
    Date of Patent: April 18, 1995
    Assignee: Cetylite Industries, Inc.
    Inventors: Stanley L. Wachman, Sidney Karlan
  • Patent number: 5344838
    Abstract: A biocidal, aqueous composition for killing bacteria, spores, fungi, and viruses on nonabsorbent surfaces comprises at least one quaternary ammonium compound, at least one aliphatic dialdehyde having from two to six carbon atoms, and at least one aliphatic hydroxyl compound having form one to eight carbon atoms.This sterilant is stable for weeks, is especially useful between pH 4 to 9, and may additionally comprise a chelating agent.
    Type: Grant
    Filed: December 8, 1993
    Date of Patent: September 6, 1994
    Assignee: Cetylite Industries, Inc.
    Inventors: Stanley L. Wachman, Sidney Karlan
  • Patent number: 5338748
    Abstract: A biocidal, aqueous composition for killing bacteria, spores, fungi, and viruses on nonabsorbent surfaces comprises at least one quaternary ammonium compound, at least one aliphatic dialdehyde having from two to six carbon atoms, and at least one aliphatic hydroxyl compound having form one to eight carbon atoms.This sterilant is stable for weeks, is especially useful between pH 4 to 9, and may additionally comprise a chelating agent.
    Type: Grant
    Filed: December 9, 1993
    Date of Patent: August 16, 1994
    Assignee: Cetylite Industries, Inc.
    Inventors: Stanley L. Wachman, Sidney Karlan
  • Patent number: 5124359
    Abstract: A biocidal, aqueous composition for killing bacteria, spores, fungi, and viruses on nonabsorbent surfaces comprises at least one quaternary ammonium compound, at least one aliphatic dialdehyde having from two to six carbon atoms, and at least one aliphatic hydroxyl compound having form one to eight carbon atoms.This sterilant is stable for weeks, is especially useful between pH 4 to 9, and may additionally comprise a chelating agent.
    Type: Grant
    Filed: August 27, 1991
    Date of Patent: June 23, 1992
    Assignee: Cetylite Industries, Inc.
    Inventors: Stanley L. Wachman, Sidney Karlan
  • Patent number: 4923899
    Abstract: A novel, biocidal, aqueous composition for killing bacteria, spores, fungi, and viruses on nonabsorbent surfaces comprises at least one quaternary ammonium salt, at least one aliphatic dialdehyde having from two to six carbon atoms, and at least one aliphatic hydroxyl compound having from one to eight atoms.Optionally, a chelating agent and an inorganic nitrite salt may be employed. This sterilant kills bacteria, spores, fungi, and viruses over a pH range from about pH 4 to about pH 9.
    Type: Grant
    Filed: June 23, 1988
    Date of Patent: May 8, 1990
    Assignee: Cetylite Industries, Inc.
    Inventors: Stanley L. Wachman, Sidney Karlan
  • Patent number: D333869
    Type: Grant
    Filed: June 4, 1990
    Date of Patent: March 9, 1993
    Assignee: Cetylite Industries, Inc.
    Inventor: Stanley L. Wachman