Patents Represented by Attorney Robert A. Miller

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  • Oligomer containing phosphinate compositions and their method of manufacture
    Patent number: 5085794
    Abstract: A phosphinate containing composition which has as its major ingredient more than 32 mole percent of a phosphinicosuccinic acid oligomer having the probable structural formula: ##STR1## M is H, Na, K, NH.sub.4, or mixtures thereof; and m and n are either 0 or a small whole number with the proviso that either m or n is a small whole number and the sum of m plus n is greater than 2.
    Type: Grant
    Filed: April 25, 1990
    Date of Patent: February 4, 1992
    Assignee: Nalco Chemical Company
    Inventors: James F. Kneller, Vytas Narutis, Barbara E. Fair, Donald A. Johnson
  • Synthesis of hydrophobic/alkoxylated polymers
    Patent number: 5084520
    Abstract: The preparation of polymers which contain pendant hydrophobic groups or a mixture of both pendant hydrophobic and alkoxylated groups is accomplished by reacting a preexisting polymer having pendant acid amide and/or carboxylic groups with a primary or secondary amine in a substantially homogenous reaction mixture, the amine reactant including the desired hydrophobic and alkoxylated radicals. A unique polymer, having both pendant hydrophobic and alkoxylated groups, is provided.
    Type: Grant
    Filed: July 22, 1991
    Date of Patent: January 28, 1992
    Assignee: Nalco Chemical Company
    Inventor: Dodd W. Fong
  • Corrosion inhibitor for 2-cycle engine oils comprising dodecenyl succinic anhydride-propylene glycol esters
    Patent number: 5080817
    Abstract: A film-forming corrosion inhibitor suitable for use in 2-cycle engine oils is prepared from the reaction product of 1 mole of dodecenylsuccinic anhydride with 0.6-0.95 moles propylene glycol. The anhydride-glycol adduct is prepared in a relatively short reaction time, and the engine oil containing the corrosion inhibitor is compatible with other oil and fuel additive components, while industry standard performance properties are maintained.
    Type: Grant
    Filed: September 18, 1990
    Date of Patent: January 14, 1992
    Assignee: Nalco Chemical Company
    Inventor: G. Richard Meyer
  • Mixed polymers for preventing scale caused by mineral processing water
    Patent number: 5080801
    Abstract: A method of preventing and inhibiting scale on solid surfaces in contact with mineral processing waters which comprises treating such waters with a scale preventing or inhibiting amount of a composition comprising:______________________________________ Ingredients % By Weight ______________________________________ A. Polyacrylic acid 25-65 B. An acrylic acid lower alkyl acrylate ester 25-65 copolymer which contains from 1-6 carbon atoms in the alkyl group C. An acrylamide terpolymer which contains 0-30 from 1-80 mole % of acrylic acid and from 1-50 mole % of an alkyl sulfonate substituted acrylamide wherein the alkyl group contains from 1-6 carbon atoms ______________________________________with polymers A, B, and C having a molecular weight range between 1,000 to 50,000.
    Type: Grant
    Filed: April 3, 1991
    Date of Patent: January 14, 1992
    Assignee: Nalco Chemical Company
    Inventors: Kent E. Molter, David O. Owen, Kevin L. O'Brien
  • Carbohydrazide to prevent hydrogen blistering and corrosion of metal surfaces in contact with refinery overhead condensates
    Patent number: 5078966
    Abstract: Carbohydrazide is an effective material for preventing hydrogen blistering and corrosion in the refinery overhead condensate systems of Fluid Catalytic Cracking Units.
    Type: Grant
    Filed: August 14, 1990
    Date of Patent: January 7, 1992
    Assignee: Nalco Chemical Company
    Inventors: Russell C. Strong, Veronica K. Majestic
  • Hot melt pipe coating compositions
    Patent number: 5074913
    Abstract: The following composition provides a superior hot melt pipe coating for both black ferrous and galvanized pipes. This coating contains no volatile organic compounds (VOC) and therefore no atmospheric emissions.______________________________________ INGREDIENTS % BY WEIGHT ______________________________________ A. C.sub.14 -C.sub.22 Fatty Acid Triglyceride 0-15 B. Aliphatic Terpene Hydrocarbon Resin 15-30 C. Ethylene Copolymer 40-60 D. Synthetic Paraffin Wax 15-30 E. Anti-oxidant 0.
    Type: Grant
    Filed: December 24, 1990
    Date of Patent: December 24, 1991
    Assignee: Nalco Chemical Company
    Inventor: Robert L. Trivett
  • Synthesis of hydrophobic/alkoxylated polymers
    Patent number: 5075390
    Abstract: The preparation of polymers which contain pendant hydrophobic groups or a mixture of both pendant hydrophobic and alkoxylated groups is accomplished by reacting a preexisting polymer having pendant acid amide and/or carboxylic groups with a primary or secondary amine in a substantially homogenous reaction mixture, the amine reactant including the desired hydrophobic and alkoxylated radicals. A unique polymer, having both pendant hydrophobic and alkoxylated groups, is provided.
    Type: Grant
    Filed: July 6, 1990
    Date of Patent: December 24, 1991
    Assignee: Nalco Chemical Company
    Inventor: Dodd W. Fong
  • Aqueous blanking solution for solid film prelube forming operations
    Patent number: 5055325
    Abstract: A blanking solution containing surfactants, corrosion inhibitors, and optionally biocides and antifoam agents can be applied to steel blanks in a stamping or drawing mill to prevent the transfer of solid film prelube lubricants from the steel blanks to the transfer rolls in the mill. The surfactant is preferably a nonionic surfactant which does not have any essential effect on the coefficient of friction when the prelubed steel blanks are stamped or drawn to form the final part.
    Type: Grant
    Filed: June 20, 1990
    Date of Patent: October 8, 1991
    Assignee: Nalco Chemical Company
    Inventor: Robert L. Trivett
  • Distillation of isophthalonitrile with a hydrocarbon liquid
    Patent number: 5045156
    Abstract: High boiling point aromatic free hydrocarbon liquids partially substituted for isophthalonitrile during its distillation fluidize the bottoms and increase isophthalonitrile yield.
    Type: Grant
    Filed: January 9, 1991
    Date of Patent: September 3, 1991
    Assignee: Nalco Chemical Company
    Inventor: Michael K. Poindexter
  • Fluorescent acrylamide polymers
    Patent number: 5043406
    Abstract: Water soluble polymers containing N-9-xanthenylacrylamide and N-dibenzosuberenylacrylamide.
    Type: Grant
    Filed: September 13, 1990
    Date of Patent: August 27, 1991
    Assignee: Nalco Chemical Company
    Inventor: Dodd W. Fong
  • On-line iron clean-up
    Patent number: 5037483
    Abstract: An iron oxide cleaning composition and method for using these compositions as disclosed. This cleaning process uses formaldehyde sulfoxylate reducing agents in combination with hydrolyzable tanning extracts and chelating agents to remove deposited iron oxide from metal surfaces, particularly those surfaces exposed to recirculating cooling waters.
    Type: Grant
    Filed: January 30, 1990
    Date of Patent: August 6, 1991
    Assignee: Nalco Chemical Company
    Inventor: Leonard Dubin
  • Scaling salt threshold inhibition and dispersion with hydrophilic/hydrophobic polymers
    Patent number: 5035806
    Abstract: The accumulation of scaling salt deposits in industrial water systems is reduced by adding to the water thereof at least an effective amount of a water soluble polymer comprised of units having pendant carboxylate groups, N-substituted sulfoalkyl amide groups, and N-substituted alkyl amide groups.
    Type: Grant
    Filed: September 28, 1990
    Date of Patent: July 30, 1991
    Assignee: Nalco Chemical Company
    Inventors: Dodd W. Fong, John E. Hoots
  • Reverse emulsion breaking method using amine containing polymers
    Patent number: 5032285
    Abstract: A method for resolving an oil-in-water emulsion by dosing the water to be resolved with a polymer produced by the emulsion polymerization of only hydrophobic monomers where at least one monomer is a neutral amine containing monomer which becomes hydrophilic when the amine is salified.
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: July 16, 1991
    Assignee: Nalco Chemical Company
    Inventors: Michael L. Braden, Stephan J. Allenson
  • Automated chemical storage and chemical feed system
    Patent number: 5029602
    Abstract: An automated chemical storage and feed system for a use station to chemically treat and monitor a process at a use station where the process is being run, including one or more base tanks at the use station storing chemicals and having means intermittently or continuously feeding the chemicals to the process. A level sensor is provided in each base tank to determine the chemical level and to deliver a signal to a control and processing unit. Sensors may be provided on the process for generating chemical condition information to the control and processing unit.
    Type: Grant
    Filed: March 20, 1990
    Date of Patent: July 9, 1991
    Inventors: John M. McKinney, Ali D. Ata, Robert B. Wierzba, Wililam F. Flowers
  • Oligomer-containing phosphate scale inhibitors
    Patent number: 5023000
    Abstract: Calcium carbonate scale is controlled by treating calcium carbonate containing waters with a predominantly phosphinate containing composition where has as its major ingredient more than 32 mole percent of a phosphinicosuccinic acid oligomer having the probable structural formula . ##STR1## M is H, Na, K, NH.sub.4, or mixtures thereof; and m and n are either 0 or a small whole number with proviso that either m or n is a small whole number and the sum of m plus n is greater than 2.
    Type: Grant
    Filed: May 10, 1990
    Date of Patent: June 11, 1991
    Assignee: Nalco Chemical Company
    Inventors: James F. Kneller, Barbara E. Fair, Gianfranco F. Mazzani, I. Sergio Di Simone
  • Phosphinate inhibitor for scale squeeze applications
    Patent number: 5018577
    Abstract: A squeeze treatment for preventing scale utilizes as the scale inhibitor a predominantly phosphinate containing composition comprising:______________________________________ Mole Percent - Ingredients Less Than ______________________________________ A. Monosodium phosphinicobis - 22 (succinic acid) B. Monosodium phosphinico- 26 succinic acid C. Sodium phosphonosuccinic acid 12 D. Sodium phosphate 5 E. Sodium phosphite 6 F. Sodium hypophosphite, and 6 G. A phosphinicosuccinic acid oligomer having the probable structural formula: ##STR1## ______________________________________wherein G exceeds 25 mole percent, M is H, Na, K, NH.sub.4, amine salts and mixtures thereof and m and n are either 0 or a small whole number with the proviso that either m or n is a small whole number and the sum of m plus n is greater than 2.
    Type: Grant
    Filed: August 2, 1990
    Date of Patent: May 28, 1991
    Assignee: Nalco Chemical Company
    Inventors: Jerry E. Pardue, James F. Kneller
  • Diallyldimethyl ammonium chloride polymers with anionic monomers for coagulating deinking process waters
    Patent number: 5013456
    Abstract: Co-polymers of diallyldimethyl ammonium chloride with up to 30 mole percent of a water soluble anionic monomer such as acrylic acid are superior coagulants for deinking process waters.
    Type: Grant
    Filed: April 13, 1990
    Date of Patent: May 7, 1991
    Assignee: Nalco Chemical Company
    Inventors: Michael R. St. John, Ronnie L. Alexander
  • Crystal modification in wet process phosphoric acid production
    Patent number: 5009873
    Abstract: A wet process production of phosphoric acid in which phosphate rock is digested, whereby phosphoric acid is released and calcium sulfate crystals are formed, employs a polymeric crystal modifier in the digestion stage of the process to improve the separation of the raw phosphoric acid product from the calcium sulfate crystals and to increase the concentration of phosphoric acid in the raw phosphoric acid product.
    Type: Grant
    Filed: January 29, 1990
    Date of Patent: April 23, 1991
    Assignee: Nalco Chemical Company
    Inventors: E. Michael Kerr, Lawrence J. Connelly, William J. Roe, Robert M. Vallowe
  • Inorganic acid solution viscosifier and corrosion inhibitor and method
    Patent number: 5009799
    Abstract: A viscosifier for aqueous inorganic acid solutions, viscosified acid fluids, and a method of treating hydro-carbon-producing rock formations with viscosified acid solution are provided. The viscosified acid solutions contain an inorganic acid, water, and an effective amount of a viscosifier comprised of ethoxylated fatty amines and the betaine inner salt of ethoxylated fatty amines, and preferably also an alcohol having an alkyne radical and an alkyl pyridine quaternary ammonium salt.
    Type: Grant
    Filed: February 16, 1988
    Date of Patent: April 23, 1991
    Assignee: Nalco Chemical Company
    Inventors: Allen R. Syrinek, Ralph N. Buggs, Robert K. Gabel
  • Paint detackification using water-dispersible polymeric latexes
    Patent number: 5006261
    Abstract: Water-dispersible polymeric latexes are excellent paint detackifying agents for treating the circulating water in paint spray booths when latexes have an average particle size less than 10 microns.
    Type: Grant
    Filed: April 11, 1990
    Date of Patent: April 9, 1991
    Assignee: Nalco Chemical Company
    Inventors: Shu-Jen W. Huang, Claudia V. Stenger