Patents Represented by Attorney Anthony L. Cupoli
  • Patent number: 4888386
    Abstract: Both waterborne and solvent enamels can be sprayed in a common paint spray booth and be detackified by a composition comprising a blend of a melamine-formaldehyde polymer, polyvinyl alcohol and a styrene acrylate copolymer. The invention also contemplates the use of these compositions in detackifying paint in paint spray booths.
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: December 19, 1989
    Assignee: Nalco Chemical Company
    Inventors: Shu-Jen W. Huang, David W. Scheimann
  • Patent number: 4886872
    Abstract: A polymer having a weight average molecular weight ranging from between about 1,000 to about 10,000,000 which polymer contains at least 5 mole percent of a pendant functional group represented by: ##STR1## and mixtures thereof; wherein R' is chosen from the group consisting of H, and lower linear or branched alkyl groups containing from one to six carbon atoms; and X is an anionic gegenion, present in an electroneutralizing amount.
    Type: Grant
    Filed: May 22, 1989
    Date of Patent: December 12, 1989
    Assignee: Nalco Chemical Company
    Inventors: Dodd W. Fong, Josepha M. Fu
  • Patent number: 4885345
    Abstract: Pendant amide-containing polymers may be modified in such a way to achieve substituted pendant amide groups described by the structure: ##STR1## wherein: R is chosen from the group consisting of hydrogen and lower alkyl (C.sub.1 -C.sub.4) groups,R.sup.1 is a multivalent hydrocarbonaceous bridging group containing from 1-20 carbon atoms,X is a tertiary amine or a quaternary ammonium salt functional group,Y is chosen from the group consisting of --OR"', and ##STR2## and mixtures thereof, and whereinR'" is chosen from the group consisting of hydrogen, alkyl groups, aryl alkyl, aryl groups and the like,q ranges from 0-50,m ranges from 0-24,n ranges from 0-24, provided that the sum of m plus n is at least 1.Processes for achieving modified polymers having the above functional group is also disclosed.
    Type: Grant
    Filed: November 23, 1987
    Date of Patent: December 5, 1989
    Assignee: Nalco Chemical Company
    Inventor: Dodd W. Fong
  • Patent number: 4875935
    Abstract: An improved method for extracting copper from copper minerals by heap leaching with dilute sulfuric acid which comprises agglomerating the copper mineral fines prior to their being formed into an heap with an agglomerating agent comprising an anionic acrylamide polymer which contains at least 5 mole percent of carboxylate or sulfonate groups and has a molecular weight of least 100,000.
    Type: Grant
    Filed: November 4, 1988
    Date of Patent: October 24, 1989
    Assignee: Nalco Chemical Company
    Inventors: Anthony E. Gross, Jacqueline L. Bonin
  • Patent number: 4874395
    Abstract: A corrosion inhibitor composition for hydrocarbon fuels comprising a C.sub.10 -C.sub.24 alkenyl succinic anhydride esterified with between 0.5-1.5 moles of a water-soluble glycol and then neutralized with an amine.The invention also contemplates improved hydrocarbon fuels which comprise a major portion of such fuels which contain small quantities of the above described composition.
    Type: Grant
    Filed: September 2, 1988
    Date of Patent: October 17, 1989
    Assignee: Nalco Chemical Company
    Inventor: George R. Meyer
  • Patent number: 4869885
    Abstract: A method of improving the SO.sub.2 scrubbing efficiency of flue gas desulfurization scrubbers which comprises conducting the scrubbing operation in such scrubbers in the presence of an oil-soluble surfactant.
    Type: Grant
    Filed: November 20, 1987
    Date of Patent: September 26, 1989
    Assignee: Nalco Chemical Company
    Inventors: Mai-Jan L. Lin, Richard J. Mouche'
  • Patent number: 4869846
    Abstract: A carboxylic acid which has a pK.sub.a within the range of 2 to 7 and the ability to increase the effective alkalinity of fly ash for flue gas desulfurization. Carboxylic acid may be combined with adjuvants. Generally carboxylic acids with dispersant properties are preferred. Adjuvants which enhance the dispersant qualities of carboxylic acid are desirable.
    Type: Grant
    Filed: March 28, 1988
    Date of Patent: September 26, 1989
    Assignee: Nalco Chemical Company
    Inventors: Richard J. Mouche, Mei-Jan L. Lin
  • Patent number: 4867757
    Abstract: A concentrated lapping composition having the following makeup:______________________________________ Ingredient % by Weight ______________________________________ Finely divided inorganic 5-70 abrasive Carboxylic acid dispersant 0.1-1 polymer having a molecular weight of from 500-50,000 Lubricant 0.5-29 ______________________________________said lapping composition having its pH adjusted to greater than 8.5 in order to afford an improved lapping rate.
    Type: Grant
    Filed: September 9, 1988
    Date of Patent: September 19, 1989
    Assignee: Nalco Chemical Company
    Inventor: Charles C. Payne
  • Patent number: 4868248
    Abstract: Polyacrylic acid polymers are modified with hydroxylamine to convert a portion of the acrylic acid groups in the polymer to hydroxamic acid groups. The process requires utiization of a pH between 1-6 and a temperature ranging between 70.degree.-150.degree. C.
    Type: Grant
    Filed: March 22, 1989
    Date of Patent: September 19, 1989
    Assignee: Nalco Chemical Company
    Inventors: John W. Sparapany, Dodd W. Fong, Josepha M. Fu
  • Patent number: 4863615
    Abstract: Water soluble low molecular weight cationic polymeric coagulants in combination with colloidal silica are excellent paint detackification agents for treating paint spray booth waters which are contaminated with paint particles.
    Type: Grant
    Filed: August 1, 1988
    Date of Patent: September 5, 1989
    Assignee: Nalco Chemical Company
    Inventors: Claudia V. Stenger, Shu-Jen W. Huang
  • Patent number: 4861492
    Abstract: Method for dewatering sewage sludge with the aid of organic polymeric flocculating agents (polyelectrolytes) made preferably by emulsion polymerization. To obtain optimum dewatering results, a substantial amount of the aqueous phase of the sludge is removed by decantation after flocculant addition prior to the dewatering treatment proper. The flocculated and thickened sludge may then be dewatered much more quickly with the dewatering behavior improved additionally by causing a reactivating flocculation to take place on the delivery side of the sludge feed pump. The Figures show a preferred embodiment of the inventive sludge dewatering system using a recessed plate press.
    Type: Grant
    Filed: September 3, 1987
    Date of Patent: August 29, 1989
    Assignee: Nalco Chemical Company
    Inventors: Josef Lehmkuhl, Ulrich Nikesch, Kurt Presslein
  • Patent number: 4854947
    Abstract: A method of detackifying oversprayed paints chosen from the group consisting of high solids enamels, clear coats, two-phase urethane paints, and water or solvent borne base coats which comprises the contact of said oversprayed paint with an oil-in-water emulsion having:(a) 1-50 weight percent of a hydrocarbon oily liquid having a boiling point of at least 150.degree. C.;(b) 0.1-25 weight percent, based on the oily liquid, of an oil-in-water emulsifier;(c) the remainder, water;which emulsion has a pH of from 7.5-12.0 and then detackifying through said contact within a paint spray booth to form a detackified oversprayed paint particulate and then, collecting and dispersing said detackified paint particulate within the oil-in-water emulsion, thereby forming a spent oil-in-water emulsion containing at least 5 parts of detackified paint particulate per 100 parts of hydrocarbon oily liquid contained in said spent oil-in-water emulsion.
    Type: Grant
    Filed: October 3, 1988
    Date of Patent: August 8, 1989
    Assignee: Nalco Chemical Company
    Inventor: Robert R. Patzelt
  • Patent number: 4853140
    Abstract: A lubricating composition for use in slicing or cutting silicon wafers. The composition includes a soap, a phosphorous containing compound, and an ethylene oxide-propylene oxide polymer. The phosphorous compound is a low temperature, extreme pressure lubricant. The ethylene oxide propylene oxide polymer is a high temperature, extreme pressure lubricant. Suitable soaps include C6-C18 fatty acids reacted with triethanolamine or aminoethanolamine. Additionally, biocides or fungicides may be added. Also an antifoam and a complexing aid such as EDTA may be used.
    Type: Grant
    Filed: February 16, 1989
    Date of Patent: August 1, 1989
    Assignee: Nalco Chemical Company
    Inventors: Charles C. Payne, Earnest M. Kerr
  • Patent number: 4851128
    Abstract: Carbon absorbents are used to remove color bodies from paper mill waste waters. A preferred embodiment of the process utilizes pretreatment of the paper mill waste waters with cationic flocculants.
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: July 25, 1989
    Assignee: Nalco Chemical Company
    Inventor: Gerard R. Rose
  • Patent number: 4846986
    Abstract: An oil-in-water emulsion useful as a metal working lubricant. The emulsion includes water, a oil-in-water emulsifier, a film plasticizer, and a boundry lubricant. A corrosion inhibitor may also be included.
    Type: Grant
    Filed: December 12, 1988
    Date of Patent: July 11, 1989
    Assignee: Nalco Chemical Company
    Inventor: Robert L. Trivett
  • Patent number: 4845289
    Abstract: A process for the removal or reduction of residual trimethyl amine odor resulting from the quaternization of a halogen containing precursor with trimethyl amine. Odor reduction is achieved by reacting the residual trimethyl amine with at least an equivalent amount of methyl chloride at a temperature of at least 50.degree. C. for a period of time to convert substantially all of the trimethyl amine to tetramethyl ammonium chloride.
    Type: Grant
    Filed: February 29, 1988
    Date of Patent: July 4, 1989
    Assignee: Nalco Chemical Company
    Inventors: Donald G. Ries, Allan W. Smith
  • Patent number: 4842716
    Abstract: An improved method for reducing fouling and corrosion of ethylene cracking furnaces petroleum feedstocks, the improvement comprising treating the petroleum feed stock with at least 10 ppm of a combination of a phosphorous antifoulant compound and a filming inhibitor. The antifoulant compound is chosen from the group consisting of phosphite esters, phosphate esters, thiophosphite esters, thiophosphate esters and mixtures thereof, said esters being characterized by the formulas ##STR1## where X equals S or O, and R.sub.1, R.sub.2, and R.sub.3, are each independently selected from the group consisting of hydrogen, water soluble amine, alkyl, aryl, alkaryl, cycloalkyl, alkenyl, and aralkyl group provided that in at least one and not more than two of each R.sub.1, R.sub.2, and R.sub.3 are water soluble amines having partition coefficients greater than 1.0 mixed with a filming amount of at least 2-20 ppm imidazoline filming inhibitor prepared preferably from naphthenic or fatty acids and poly amines.
    Type: Grant
    Filed: August 13, 1987
    Date of Patent: June 27, 1989
    Assignee: Nalco Chemical Company
    Inventors: Morris Kaplan, John C. Kisalus
  • Patent number: 4835332
    Abstract: Triphenylphosphine prevents fouling in ethylene furnaces.
    Type: Grant
    Filed: August 31, 1988
    Date of Patent: May 30, 1989
    Assignee: Nalco Chemical Company
    Inventor: John C. Kisalus
  • Patent number: 4828624
    Abstract: Cement clinkers are ground in an aqueous environment using as a grinding aid, a composition comprising:______________________________________ Ingredients Percent by Weight ______________________________________ A water-soluble glycol 40-70 Urea as a 50% aqueous solution 60-30 ______________________________________
    Type: Grant
    Filed: August 5, 1987
    Date of Patent: May 9, 1989
    Assignee: Nalco Chemical Company
    Inventor: Jaime Valle
  • Patent number: 4827033
    Abstract: A naphthenic acid amide having the formula: ##STR1## where R is the hydrocarbon portion of a naphthenic acid,R.sub.1 is H or MeX is O or NH, andn is a number having the value of 1-10.The method of producing such amides is also disclosed.
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: May 2, 1989
    Assignee: Nalco Chemical Company
    Inventors: Sam Ferguson, Darrell D. Reese