Patents by Inventor Deborah K. Donofrio

Deborah K. Donofrio 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: 4966775
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of 2-bromo-2-nitropropane-l, 3-diol and an oxidizing biocide selected from the group consisting of hypochlorite, chlorine, and chlorine dioxide. The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: May 19, 1989
    Date of Patent: October 30, 1990
    Assignee: Betz Laboratories
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Patent number: 4916158
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of 2-(decylthio)ethanamine hydrochloride and methylene bis(thiocyanate). The method comprises administering between about 0.1 to about 200 parts of this combined treatement (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: May 25, 1989
    Date of Patent: April 10, 1990
    Assignee: Betz Laboratories, Inc.
    Inventors: Wilson K. Whitekettle, Deborah K. Donofrio
  • Patent number: 4916164
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of 2-(decylthio)ethanamine hydrochloride and B-bromo-B-nitrostyrene. The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: May 25, 1989
    Date of Patent: April 10, 1990
    Assignee: Betz Laboratories, Inc.
    Inventors: Wilson K. Whitekettle, Deborah K. Donofrio
  • Patent number: 4916159
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of 2-(decylthio)ethanamine hydrochloride and 2,2-dibromo-3-nitrilo propionamide. The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: May 25, 1989
    Date of Patent: April 10, 1990
    Assignee: Betz Laboratories, Inc.
    Inventors: Wilson K. Whitekettle, Deborah K. Donofrio
  • Patent number: 4916123
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of 2-(decylthio)ethanamine hydrochloride and N-tri butyl tetradecyl phosphonium chloride. The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: May 25, 1989
    Date of Patent: April 10, 1990
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Patent number: 4914134
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of 2-(decylthio)-ethanamine hydrochloride and 2-bromo-2-nitropropane-1,3-diol. The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: May 25, 1989
    Date of Patent: April 3, 1990
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Patent number: 4914118
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of 2-(decylthio) ethanamine hydrochloride and a mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one ("Kathon 886F"). The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: May 25, 1989
    Date of Patent: April 3, 1990
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Patent number: 4914130
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of 2-(decylthio)ethanamine hydrochloride and n-dodecylguanidine or water soluble salt thereof. The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: May 25, 1989
    Date of Patent: April 3, 1990
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Patent number: 4914132
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of 2-(decylthio)ethanamine hydrochloride and n-alkyl dimethyl benzyl ammonium chloride. The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: May 25, 1989
    Date of Patent: April 3, 1990
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Patent number: 4863960
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of 2-bromo-2-nitropropane-1, 3-diol ("BNPD") and methyl sulfonyl acrylonitrile ("MSA"). The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: September 12, 1988
    Date of Patent: September 5, 1989
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Patent number: 4859708
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of 2-bromo-2-nitropropane-1,3-diol ("BNPD") and beta-bromo-beta-nitrostyrene ("BNS"). The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: September 12, 1988
    Date of Patent: August 22, 1989
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Patent number: 4859705
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of 2-bromo-2-nitropropane 1,3-diol ("BNPD") and N, N-dimethyl-N.sup.1 -phenyl-N.sup.1 -(fluorodichloromethylthio)-sulphamide ("DPFS"). The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: September 12, 1988
    Date of Patent: August 22, 1989
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Patent number: 4859702
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of 2-bromo-2-nitropropane-1,3-diol ("BNPD") and paratolyl sulfonyl acrylonitrile ("PSA"). The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: September 12, 1988
    Date of Patent: August 22, 1989
    Assignee: Betz Laboratories, Inc.
    Inventors: Wilson K. Whitekettle, Deborah K. Donofrio
  • Patent number: 4857557
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of 2-bromo-2-nitropropane 1, 3-diol ("BNPD") and bis(trichloromethyl)sulfone ("BTCMS"). The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: September 12, 1988
    Date of Patent: August 15, 1989
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Patent number: 4855296
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of 2-bromo-2-nitropropane-1, 3-diol (BNPD) and an oxidizing biocide. The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: September 12, 1988
    Date of Patent: August 8, 1989
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Patent number: 4835144
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, faculative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of methylene bis(thiocyanate) and a tetraalkyl phosphonium halide compound. The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: September 12, 1988
    Date of Patent: May 30, 1989
    Assignee: Betz Laboratories, Inc.
    Inventors: Wilson K. Whitekettle, Deborah K. Donofrio
  • Patent number: 4835143
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of n-alkyl dimethyl benzyl ammonium chloride and tetraalkyl phosphonium halide. The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: September 12, 1988
    Date of Patent: May 30, 1989
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Patent number: 4753961
    Abstract: Bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of 2-bromo-2-nitropropane-1,3-diol (BNPD) and a trialkyl sulfonium salt, such as tetradecyl dimethyl sulfonium methosulfate (TDSM). The method comprises administering between about 0.1 to about 200 parts of this composition (i.e., BNPD and TDSM) (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: September 3, 1987
    Date of Patent: June 28, 1988
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Patent number: 4745132
    Abstract: Bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of n-alkyl dimethyl benzyl ammonium chloride and n-dodecylguanidine or water soluble salt thereof. The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: July 31, 1986
    Date of Patent: May 17, 1988
    Assignee: Betz Laboratories, Inc.
    Inventors: Paul Swered, Deborah K. Donofrio
  • Patent number: 4732905
    Abstract: Bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose, of 2-bromo-2-nitropropane-1,3-diol (BNPD) and "Kathon 886F." The active biocidal components of the "Kathon 886F" product are: 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one. The method comprises administering between about 0.1 to about 200 parts of this composition (i.e., BNPD and "Kathon 886F" product) (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: March 13, 1987
    Date of Patent: March 22, 1988
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle