Patents Represented by Attorney, Agent or Law Firm Richard A. Paikoff
  • Biocidal compositions and use thereof containing a synergistic mixture of n-tributyl tetradecyl phosphonium chloride and a mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiozolin-3-one
    Patent number: 5063217
    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 "Belclene 350" and a mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one ("Kathon 886F"). The active biocidal component of the "Belclene 350" product is tri n-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: August 13, 1990
    Date of Patent: November 5, 1991
    Assignee: Betz Laboratories, Inc.
    Inventors: Wilson K. Whitekettle, Deborah K. Donofrio
  • Biocidal compositions and use thereof containing a synergistic mixture of n-tributyl tetradecyl phosphonium chloride and bis(tributyl) tin oxide
    Patent number: 5063216
    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-tributyl tetradecyl phosphonium chloride (TPC) and bis(tributyl) tin 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: August 13, 1990
    Date of Patent: November 5, 1991
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Biocidal compositions and use thereof containing a synergistic mixture of n-tributyl tetradecyl phosphonium chloride and (N,N-dimethyl-N'-phenyl-N'-fluorochloromethylthio)-sulphamide
    Patent number: 5063211
    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-tributyl tetradecyl phosphonium chloride (TPC) and (N,N-dimethyl-N'-phenyl-N'-fluorodichloromethylthio) sulphamide ("Preventol A4S"). 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: August 13, 1990
    Date of Patent: November 5, 1991
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah K. Donofrio, Wilson K. Whitekettle
  • Biocidal compositions and use thereof containing a synergistic mixture of glutaraldehyde and dodecylguanidine hydrochloride
    Patent number: 5041463
    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 glutaraldehyde and dodecylguanidine hydrochloride. 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: August 13, 1990
    Date of Patent: August 20, 1991
    Assignee: Betz Laboratories, Inc.
    Inventors: Wilson K. Whitekettle, John T. Conlan
  • Biocidal compositions and use thereof containing a synergistic mixture of glutaraldehyde and bis(trichloromethyl) sulfone
    Patent number: 5039708
    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 glutaraldehyde and bis(trichloromethyl) 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: August 13, 1990
    Date of Patent: August 13, 1991
    Assignee: Betz Laboratories, Inc.
    Inventors: John T. Conlan, Wilson K. Whitekettle