Patents Represented by Attorney, Agent or Law Firm Gregory M. Hill
  • Haloalkylthio, -sulfinyl and -sulfonyl arylpyrrole insecticidal and acaricidal agents
    Patent number: 5484807
    Abstract: Haloalkylthio, -sulfinyl and -sulfonyl arylpyrrole compounds which are effective for the control of insects and acarids are described. A method for the insecticidal and acaricidal use of said compounds and methods for the preparation of said compounds are presented.
    Type: Grant
    Filed: May 5, 1995
    Date of Patent: January 16, 1996
    Inventors: Keith D. Barnes, Victor M. Kamhi, Robert E. Diehl
  • Fungicidal .alpha.-(dioxoimidazolidine)acetanilide compounds
    Patent number: 5484802
    Abstract: There are provided .alpha.-(dioxoimidazolidine)acetanilide compounds which are effective for the control of phytopathogenic fungi, the control and prevention of disease caused thereby and the protection of crops therefrom. Further provided are fungicidal methods and compositions comprising said compounds.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: January 16, 1996
    Inventors: Bomi P. Patel, Jerome M. Lavanish
  • Method for improving retention and drainage characteristics in alkaline papermaking
    Patent number: 5482595
    Abstract: A method of improving the drainage characteristics of a pulp slurry in a papermaking operation utilizing the sequential steps of adding alum, ionic polyacrylamide and cationic starch. The cationic starch can be added to the slurry prior to or after the primary screen.
    Type: Grant
    Filed: March 22, 1994
    Date of Patent: January 9, 1996
    Assignee: Betz PaperChem, Inc.
    Inventors: John C. Harrington, IV, Michael A. Schuster
  • Thienylpyrrole fungicidal agents
    Patent number: 5480902
    Abstract: There are provided fungicidal thienyl- and furylpyrrole compounds of formula I ##STR1## Further provided are compositions and methods comprising those compounds for the protection of plants from fungal infestation and disease.
    Type: Grant
    Filed: August 31, 1993
    Date of Patent: January 2, 1996
    Assignee: American Cyanamid Company
    Inventors: Roger W. Addor, Joseph A. Furch, III, Laurelee A. Duncan
  • Herbicidal imidazolinone extruded granular compositions
    Patent number: 5476835
    Abstract: The present invention relates to a herbicidal extruded granular composition which is solvent free, dust free, and demonstrates improved water dispersibility properties. Said herbicidal composition also has improved environmental compatibility.
    Type: Grant
    Filed: July 5, 1994
    Date of Patent: December 19, 1995
    Assignee: American Cyanamid Company
    Inventors: Jerry L. Johnson, Joseph Kimler
  • Pyrazolium fungicidal compositions
    Patent number: 5470869
    Abstract: The present invention provides compositions comprising pyrazolium compounds and methods for using those compositions as fungicides.
    Type: Grant
    Filed: January 31, 1994
    Date of Patent: November 28, 1995
    Assignee: American Cyanamid Company
    Inventors: Peter N. Tayler, Lynn S. Evans
  • Haloalkylthio, -sulfinyl and -sulfonyl arylpyrrole insecticidal and acaricidal agents
    Patent number: 5468877
    Abstract: Haloalkylthio, -sulfinyl and -sulfonyl arylpyrrole compounds which are effective for the control of insects and acarids are described. A method for the insecticidal and acaricidal use of said compounds and methods for the preparation of said compounds are presented.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: November 21, 1995
    Assignee: American Cyanamid Company
    Inventors: Keith D. Barnes, Victor M. Kamhi, Robert E. Diehl
  • 1-[.alpha.-cyclopropyl-.alpha.-(substituted oxy)-o-tolyl]sulfamoyl]-3-(4,6-dimethoxy-2-pyrimidinyl)urea herbicidal agents
    Patent number: 5464808
    Abstract: There are provided 1-{[.alpha.-cyclopropyl-.alpha.-(substituted oxy)-o-tolyl]sulfamoyl}-3-(4,6-dimethoxy-2-pyrimidinyl)urea compounds of formula I ##STR1## Further provided are compositions and methods comprising those compounds for the control of undesirable plant species.
    Type: Grant
    Filed: December 28, 1993
    Date of Patent: November 7, 1995
    Assignee: American Cyanamid Company
    Inventors: Michael E. Condon, Philip M. Harrington
  • Debrominative chlorination of pyrroles
    Patent number: 5449789
    Abstract: There is provided a simple quantitative procedure for the chlorination of pyrrole compounds containing electron withdrawing substituents via the displacement of bromine with chlorine on the pyrrole nucleus.
    Type: Grant
    Filed: November 30, 1992
    Date of Patent: September 12, 1995
    Assignee: American Cyanamid Company
    Inventor: Venkataraman Kameswaran
  • Methods for controlling undesirable plant species with benzodiazepine compounds
    Patent number: 5438035
    Abstract: There are provided methods for controlling undesirable plant species with benzodiazepine compounds of formulas I and II ##STR1## Further provided are herbicidal compositions comprising those compounds.
    Type: Grant
    Filed: June 24, 1994
    Date of Patent: August 1, 1995
    Assignee: American Cyanamid Company
    Inventors: Michael A. Guaciaro, Philip M. Harrington, Gary M. Karp
  • Use of foam control composition in aqueous systems
    Patent number: 5425899
    Abstract: A method for reducing or preventing the generation of foam in aqueous environments by adding to the aqueous medium from 1.0 to 500 ppm of a foam control composition consisting of a .beta.-branched aldol ether alcohol, at least one surfactant having a melting point less than 20.degree. C. and a low HLB ethylene oxide-propylene oxide block copolymer.
    Type: Grant
    Filed: March 11, 1994
    Date of Patent: June 20, 1995
    Assignee: Betz PaperChem, Inc.
    Inventors: Duy T. Nguyen, Charles J. Berzansky, Jr.
  • Method for improving retention and drainage characteristics in alkaline papermaking
    Patent number: 5415740
    Abstract: A composition and method for improving the drainage and retention characteristics of a paper furnish consisting of a water soluble graft copolymer and bentonite clay. It is preferred that the graft copolymer be added to the furnish prior to at least one shear stage and that the bentonite clay be added after the shear stage.
    Type: Grant
    Filed: March 24, 1994
    Date of Patent: May 16, 1995
    Assignee: Betz PaperChem, Inc.
    Inventors: Michael A. Schuster, John C. Harrington, IV, Wen P. Liao, Fu Chen
  • Composition and process for coating metals
    Patent number: 5412011
    Abstract: A non-chromium conversion coating for metal surfaces such as aluminum, steel, galvanized steel and zinc-aluminum steel consisting of an aqueous solution of an anionic polyacrylamide copolymer, an inorganic silicate and an organofunctional silane.
    Type: Grant
    Filed: October 15, 1993
    Date of Patent: May 2, 1995
    Assignee: Betz Laboratories, Inc.
    Inventors: Brenda S. Morris, Jiangbo Ouyang, David W. Reichgott
  • Composition for controlling silica and water soluble silicate deposition
    Patent number: 5393456
    Abstract: A method for the inhibition of silica and silicate deposits on the internal surfaces of a water system consisting of adding to the water system a composition comprised of a blend of two water soluble copolymers. The first copolymer contains repeat units of maleic or acrylic acids and a phosphinic acid, or salt forms thereof. The second copolymer contains repeat units of acrylic acid and allyl hydroxy propyl sulfonate ether, or salt forms thereof.
    Type: Grant
    Filed: June 22, 1993
    Date of Patent: February 28, 1995
    Assignee: Betz Laboratories, Inc.
    Inventors: Libardo A. Perez, J. Michael Brown, Khac T. Nguyen
  • Composition and process for treating metal surfaces
    Patent number: 5389405
    Abstract: A non-chromate conversion coating for metal surfaces such as aluminum, steel, galvanized steel and zinc-aluminum steel consisting of an aqueous solution of a cationic polymer, an alkaline aqueous silicate and an organofunctional silane.
    Type: Grant
    Filed: November 16, 1993
    Date of Patent: February 14, 1995
    Assignee: Betz Laboratories, Inc.
    Inventors: Deborah L. Purnell, Brenda S. Morris, David W. Reichgott
  • Water soluble graft copolymers for laser print deinking loop clarification
    Patent number: 5387318
    Abstract: A method for clarifying the laser print deinking loop water in a papermaking process by using a water soluble graft copolymer having the structure: ##STR1## wherein E is the repeat unit obtained after polymerization of an .alpha.,.beta. ethylenically unsaturated compound, the molar percentage of a:b is from about 95:5 to 5:95, with the proviso that the sum of a and b equals 100%; G comprises the structure: ##STR2## wherein d is a cationic monomer, R.sub.1, R.sub.2 and R.sub.3 are the same or different and are hydrogen or a lower alkyl group having C.sub.1 to C.sub.3, F is the salt of an ammonium cation and the molar percentage of c:d is from 95:5 to 5:95 with the proviso that the sum of c and d equals 100%.
    Type: Grant
    Filed: December 17, 1993
    Date of Patent: February 7, 1995
    Assignee: Betz Laboratories, Inc.
    Inventors: Wen P. Liao, John C. Harrington, Walter J. Burgess, Fu Chen
  • Method for the inhibition and removal of ammonium chloride deposition in hydrocarbon processing units
    Patent number: 5387733
    Abstract: A method for the inhibition and removal of ammonium chloride deposits on the internal surfaces of the equipment in a refinery which processes liquid hydrocarbon at elevated temperatures consisting of adding to the liquid hydrocarbon a non-filming polyamine. The amount of non-filming polyamine added to the system is based upon the amount of ammonium chloride present in the system and is preferably in the range of about 1 to 10 moles per mole of ammonium chloride.
    Type: Grant
    Filed: June 9, 1993
    Date of Patent: February 7, 1995
    Assignee: Betz Laboratories, Inc.
    Inventor: Carl E. Weaver
  • Water soluble graft copolymers for paint spray booth sludge dewatering
    Patent number: 5385676
    Abstract: A method of dewatering paint spray booth sludge by adding to the water system of a paint spray booth a water soluble graft copolymer having the structure: ##STR1## wherein E is the repeat unit obtained after polymerization of an, ethylenically unsaturated compound, the molar percentage of a:b is from about 95:5 to 5:95, with the proviso that the sum of a and b equals 100%; G comprises the structure: ##STR2## wherein d is a cationic monomer, R.sub.1, R.sub.2 and R.sub.3 are the same or different and are hydrogen or a lower alkyl group having C.sub.1 to C.sub.3, F is the salt of an ammonium cation and the molar percentage of c:d is from 95:5 to 5:95 with the proviso that the sum of c and d equals 100%.
    Type: Grant
    Filed: August 3, 1993
    Date of Patent: January 31, 1995
    Assignee: Betz Laboratories, Inc.
    Inventors: Wen P. Liao, Deborah L. Purnell
  • Water soluble graft copolymers and methods of use thereof
    Patent number: 5374336
    Abstract: A water soluble graft copolymer useful as retention and drainage aids in papermaking processes having the structure: ##STR1## wherein E is the repeat unit obtained after polymerization of an .alpha.,.beta. ethylenically unsaturated compound, the molar percentage of a:b is from about 95:5 to 5:95, with the proviso that the sum of a and b equals 100%; G comprises the structure: ##STR2## wherein d is a cationic monomer, R.sub.1, R.sub.2 and R.sub.3 are the same or different and are hydrogen or a lower alkyl group having C.sub.1 to C.sub.3, F is the salt of an ammonium cation and the molar percentage of c:d is from 95:5 to 5:95 with the proviso that the sum of c and d equals 100%.
    Type: Grant
    Filed: August 3, 1993
    Date of Patent: December 20, 1994
    Assignee: Betz Laboratories, Inc.
    Inventors: John T. Lin, Wen P. Liao, Fu Chen
  • Method for dewatering municipal solid waste refuse
    Patent number: 5366637
    Abstract: A method for dewatering the refuse ash generated by a municipal solid waste facility by adding to the ash a copolymer and a nonionic surfactant selected from the group consisting of primary alcohol ethoxylates, secondary alcohol ethoxylates and alkyl phenol ethoxylates. The copolymer consists of repeat units of an ethylenically unsaturated compound and an acrylamido alkane sulfonic acid compound.
    Type: Grant
    Filed: May 24, 1993
    Date of Patent: November 22, 1994
    Assignee: Betz Laboratories, Inc.
    Inventor: Umit Turunc