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).

  • Microbial inhibiting compositions and their use
    Patent number: 5432184
    Abstract: A biocidal composition and method for inhibiting and controlling the growth of the fungus, Trichoderma viride, are disclosed. The composition comprises an amount, effective for the intended purpose of diiodomethyl-p-tolylsulfone and an additional biocidal component. 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 6, 1994
    Date of Patent: July 11, 1995
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Process and composition for controlling microbial growth
    Patent number: 5416121
    Abstract: A microbial inhibiting composition and method is disclosed. The composition comprises an amount, effective for the intended purpose of diiodomethyl-p-tolylsulfone and B-bromo-B-nitrostyrene. The method comprises administering an amount of this combined treatment to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: January 19, 1994
    Date of Patent: May 16, 1995
    Assignee: Betz Laboratories, Inc.
    Inventors: Wilson K. Whitekettle, Deborah K. Donofrio
  • Method and composition for controlling the growth of microorganisms
    Patent number: 5416109
    Abstract: A microbial inhibiting composition and method is disclosed. The composition comprises an amount, effective for the intended purpose of 3-iodo-2-propynyl-butyl carbamate and n-alkyl dimethyl benzyl ammonium chloride. The method comprises administering an amount of this combined treatment to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: January 19, 1994
    Date of Patent: May 16, 1995
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Method and composition for controlling the growth of microorganisms
    Patent number: 5416122
    Abstract: A microbial inhibiting composition and method is disclosed. The composition comprises an amount, effective for the intended purpose of diiodomethyl-p-tolylsulfone and bis trichloro methyl sulfone. The method comprises administering an amount of this combined treatment to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: January 19, 1994
    Date of Patent: May 16, 1995
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Microbial inhibiting compositions and their use
    Patent number: 5369115
    Abstract: A biocidal composition and method for inhibiting and controlling the growth of the fungus, Trichoderma viride, are disclosed. The composition comprises an amount, effective for the intended purpose of diiodomethyl-p-tolylsulfone and an additional biocidal component. 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: October 29, 1993
    Date of Patent: November 29, 1994
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Method and composition for controlling the growth of microorganisms
    Patent number: 5352706
    Abstract: A microbial inhibiting composition and method is disclosed. The composition comprises an amount, effective for the intended purpose of diiodomethyl-p-tolylsulfone and alkyl dimethyl benzyl ammonium chloride. The method comprises administering an amount of this combined treatment to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: October 4, 1994
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Biocidal compositions and use thereof
    Patent number: 5310755
    Abstract: Disclosed are compositions and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebisella pneumoniae. The compositions comprise 2-(2-bromo-2-nitroetheny) furan and n-4-dihydroxy-oxobenzene-ethanimidoyl chloride. The method comprises adding from 1 part to about 200 parts composition to the aqueous system for which treatment is desired.
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: May 10, 1994
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Biocidal compositions and use thereof
    Patent number: 5310733
    Abstract: Disclosed are compositions and methods for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae. The compositions comprise 2-(2-bromo-2-nitroethenyl) furan and n-tributyltetradecyl phosphonium chloride. The method comprises adding from 1 part to about 200 parts composition to the aqueous system for which treatment is desired.
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: May 10, 1994
    Assignee: Betz Laboratories, Inc.
    Inventors: Wilson K. Whitekettle, Deborah K. Donofrio
  • Biocidal compositions and use thereof
    Patent number: 5310761
    Abstract: A microbial inhibiting composition and method is disclosed. The composition comprises an amount, effective for the intended purpose of diiodomethyl-p-tolylsulfone and dodecylguanidine hydrochloride. The method comprises administering an amount of this combined treatment to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: May 10, 1994
    Assignee: Betz Laboratories, Inc.
    Inventors: Wilson K. Whitekettle, Deborah K. Donofrio
  • Biocidal compositions and use thereof
    Patent number: 5302615
    Abstract: A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebisella pneumoniae, are disclosed. The compositions comprise 2-(2-bromo-2-nitroethenyl) furan and phenyl-(2-cyano-2-chlorovinyl) sulfone. The method comprises adding from 1 part to about 200 parts composition to the aqueous system for which treatment is desired.
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: April 12, 1994
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Process and composition for inhibiting and controlling microbial growth
    Patent number: 5302614
    Abstract: A microbial inhibiting composition and method is disclosed. The composition comprises an amount, effective for the intended purpose of dodecylguanidine hydrochloride and 2-(2-bromo-2-nitroethenyl) furan. The method comprises administering an amount of this combined treatment to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: April 12, 1994
    Assignee: Betz Laboratories, Inc.
    Inventors: Wilson K. Whitekettle, Deborah K. Donofrio
  • Biocidal compositions and use thereof
    Patent number: 5302616
    Abstract: A fungicidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Trichoderma viride, are disclosed. The compositions comprise 2-(2-bromo-2-nitroethenyl) furan and diiodomethyl-p-tolylsulfone. The method comprises adding from 1 part to about 500 parts composition to the aqueous system for which treatment is desired.
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: April 12, 1994
    Assignee: Betz Laboratories, Inc.
    Inventors: Wilson K. Whitekettle, Deborah K. Donofrio
  • Microbial inhibiting compositions and their use
    Patent number: 5292776
    Abstract: A biocidal composition and method for inhibiting and controlling the growth of the fungus, Trichoderma viride, are disclosed. The composition comprises an amount, effective for the intended purpose of diiodomethyl-p-tolylsulfone and an additional biocidal component. 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: March 26, 1993
    Date of Patent: March 8, 1994
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Chemically stable antimicrobial formulations of dimps
    Patent number: 5283264
    Abstract: An antimicrobial composition and method for producing a stable, antimicrobial formulation of diiodomethyl-p-tolylsulfone is disclosed.
    Type: Grant
    Filed: November 30, 1992
    Date of Patent: February 1, 1994
    Assignee: Betz Laboratories, Inc.
    Inventor: Deborah K. Donofrio
  • Method and composition for controlling the growth of microorganisms
    Patent number: 5278188
    Abstract: A microbial inhibiting composition and method is disclosed. The composition comprises an amount, effective for the intended purpose of decylthioethanamine hydrochloride and 2-(2-bromo-2-nitroethenyl) furan. The method comprises administering an amount of this combined treatment to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: February 25, 1993
    Date of Patent: January 11, 1994
    Assignee: Betz Laboratories, Inc.
    Inventors: Wilson K. Whitekettle, Deborah K. Donofrio
  • Method and composition for controlling the growth of microorganisms
    Patent number: 5234958
    Abstract: A microbial inhibiting composition and method is disclosed. The composition comprises an amount, effective for the intended purpose of 2-bromo-2-nitropropane-1,3-diol and didecyl dimethyl ammonium chloride. The method comprises administering an amount of this combined treatment to the particular water containing system for which treatment is desired.
    Type: Grant
    Filed: August 25, 1992
    Date of Patent: August 10, 1993
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Biocidal compositions and use thereof containing a synergistic mixture of 3-iodo-2-propynyl-butyl carbamate and sodium 2-pyridinethiol-1-oxide
    Patent number: 5162343
    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 3-iodo-2-propynylbutyl carbamate and sodium 2-pyridinethiol-1-oxide. 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: October 15, 1991
    Date of Patent: November 10, 1992
    Assignee: Betz Laboratories, Inc.
    Inventors: Wilson K. Whitekettle, Deborah K. Donofrio
  • Process and composition for inhibiting and controlling bacterial growth
    Patent number: 5158973
    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-(2-bromo-2-nitroethenyl) furan and didecyl dimethyl 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: February 20, 1992
    Date of Patent: October 27, 1992
    Assignee: Betz Laboratories, Inc.
    Inventors: Wilson K. Whitekettle, Deborah K. Donofrio
  • Biocidal compositions and use thereof
    Patent number: 5158972
    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-(2-bromo-2-nitroethenyl) furan and glutaraldehyde. 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: February 20, 1992
    Date of Patent: October 27, 1992
    Assignee: Betz Laboratories, Inc.
    Inventors: Wilson K. Whitekettle, Deborah K. Donofrio
  • Biocidal compositions and use thereof containing a synergistic mixture of 3-iodo-2-propynyl-butyl carbamate and phenyl-(2-cyano-2-chlorovinyl) sulfone
    Patent number: 5147891
    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 3-iodo-2-propynylbutyl carbamate and phenyl-(2-cyano-2-chlorovinyl) sulfone. 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: December 16, 1991
    Date of Patent: September 15, 1992
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle