Patents by Inventor Robert D. Lundberg

Robert D. Lundberg 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).

  • Patent number: 4522960
    Abstract: A process for gelling a fluid having a viscosity of at least about 50 cps which includes the steps of: forming a solvent system of the nonpolar organic liquid and a polar cosolvent, the polar cosolvent being less than about 15 weight percent of the solvent system and a viscosity of the solvent system being less than about 100 cps; dissolving a water insoluble, oil soluble terpolymer in the solvent system to form a solution, a concentration of the terpolymer in the solution being about 0.
    Type: Grant
    Filed: August 6, 1984
    Date of Patent: June 11, 1985
    Assignee: Exxon Research & Engineering Co.
    Inventors: Dennis G. Peiffer, Robert D. Lundberg
  • Patent number: 4520158
    Abstract: A process for increasing the viscosity of a hydrocarbon organic liquid under increasing shear rate which includes the step of:(a) forming a solution of said hydrocarbon organic liquid and a polyampholyte having about 1 to about 500 milliequivalents of sulfonate groups per 100 gms. of said polyampholyte, wherein the concentration of said polyampholyte is about 0.01 to about 20 wt. %, said polyampholyte having the formula: ##STR1## wherein X is about 40 to about 98 mole %, y is about 1 to about 50 mole %, and z is about 1 to about 50 mole %, wherein y and z are less than 60 mole %, and M is an amine or a metal cation selected from the group consisting of aluminum, iron, lead, Groups IA, IIA, IB and IIB of the Periodic Table of Elements; and(b) subjecting said solution to increasing shear rate to increase the viscosity of said solution by at least 10% as said shear rate increases.
    Type: Grant
    Filed: August 6, 1984
    Date of Patent: May 28, 1985
    Assignee: Exxon Research & Engineering Co.
    Inventors: Dennis G. Peiffer, Robert D. Lundberg, Ilan Duvdevani, Warren A. Thaler
  • Patent number: 4517333
    Abstract: The present invention relates to viscosification agents for aqueous solutions in which the viscosification agents are mixtures of water soluble polymer backbone containing an anionic comonomer and a copolymer of a water soluble polymer backbone containing a cationic comonomer.
    Type: Grant
    Filed: December 12, 1983
    Date of Patent: May 14, 1985
    Assignee: Exxon Research and Engineering Co.
    Inventors: Robert D. Lundberg, Robert R. Phillips, Dennis G. Peiffer
  • Patent number: 4517250
    Abstract: This invention relates to emulsion type adhesive compositions which include a metal neutralized copolymer, wherein the neutralized sulfonated copolymer has about 5 to about 250 meq. of neutralized sulfonate groups per 100 grams of the neutralized sulfonated copolymer, and less than about 200 parts by weight of a hydrocarbon resin of a petroleum or coal tar distillate, having about 5 to 6 carbon atoms, the hydrocarbon resin being composed of aliphatic dienes and monoolefins per 100 parts by weight of the neutralized sulfonated copolymer.
    Type: Grant
    Filed: March 26, 1984
    Date of Patent: May 14, 1985
    Assignee: Exxon Research and Engineering Co.
    Inventors: Pawan K. Agarwal, Robert D. Lundberg, Joseph Wagensomer, Frank C. Jagisch
  • Patent number: 4516982
    Abstract: The present invention relates to hydrocarbon, and specifically jet fuels, solutions having dilatant properties in which the hydrocarbon solution contains a polymer complex which is the interaction product of a sulfonate containing polymer and an amine containing copolymer.
    Type: Grant
    Filed: November 2, 1983
    Date of Patent: May 14, 1985
    Assignee: Exxon Research and Engineering Co.
    Inventors: Ilan Duvdevani, Dennis G. Peiffer, John A. Eckert, Robert D. Lundberg
  • Patent number: 4512776
    Abstract: A family of polymers based on amine terminated polylactones is interacted with a carboxylic or sulfonic acid or ionomer derived therefrom to create a complex or neutralized species. The resulting adduct is useful as a pour depressant agent which is very effective in promoting flow of heating fuels, diesel, and paraffinic oils at extremely low temperatures.
    Type: Grant
    Filed: December 23, 1983
    Date of Patent: April 23, 1985
    Assignee: Exxon Research and Engineering Co.
    Inventor: Robert D. Lundberg
  • Patent number: 4511479
    Abstract: The instant invention relates to a process for the extraction of oil from an aqueous phase with the use of a sulfonated polymer as an extracting agent.
    Type: Grant
    Filed: February 3, 1983
    Date of Patent: April 16, 1985
    Assignee: Exxon Research and Engineering Company
    Inventors: Everett J. Fuller, Robert D. Lundberg
  • Patent number: 4510998
    Abstract: The present invention relates to a process for the plugging of a porous formation which may be encountered during the drilling of a well. The process entails plugging of the porous formation by means of a polymeric solution containing pseudo-emulsion spheres. These particles penetrate the pore structure within a formation. Eventually, sufficient numbers of the spheres will accumulate within the pores, blocking further flow through the formation by both the pseudo-emulsion particles and any aqueous solutions. The pseudo-emulsion system is formed by a process which includes the steps of forming a solvent system of an organic liquid or oil and a polar cosolvent, the polar cosolvent being less than about 15 weight percent of the solvent system being less than about 100 cps; dissolving a neutralized sulfonated polymer in the solvent system to form a solution, a concentration of the neutralized sulfonated polymer in the solution being about 0.01 to about 0.
    Type: Grant
    Filed: November 30, 1983
    Date of Patent: April 16, 1985
    Assignee: Exxon Research and Engineering Co.
    Inventors: Dennis G. Peiffer, Robert D. Lundberg, Thad O. Walker
  • Patent number: 4508626
    Abstract: The instant invention relates to a process for the extraction of oil from an aqueous phase with the use of a sulfonated polymer as an extracting agent.
    Type: Grant
    Filed: January 28, 1983
    Date of Patent: April 2, 1985
    Assignee: Exxon Research & Engineering Co.
    Inventors: Everett J. Fuller, Robert D. Lundberg
  • Patent number: 4508128
    Abstract: The present invention relates to improved drag reduction agents which are polymer complexes of a cationic polymer and an anionic polymer.
    Type: Grant
    Filed: November 2, 1983
    Date of Patent: April 2, 1985
    Assignee: Exxon Research & Engineering Co.
    Inventors: Ralph M. Kowalik, Ilan Duvdevani, Dennis G. Peiffer, Robert D. Lundberg
  • Patent number: 4497923
    Abstract: The present invention relates to a process for the viscosification of an organic liquid which comprises the steps of forming a first solution of an anionic polymer dissolved in the organic liquid; forming a second solution of a cationic polymer dissolved in the organic liquid; and mixing the first and the second solutions together to form an interpolymer complex of the anionic and cationic polymer in the organic liquid, wherein the organic liquid containing the interpolymer complex has improved viscosification properties. This solution possesses higher viscosity than the mean of the separate viscosities of the starting solutions at relatively low solids content. Moreover, these interpolymer complexes, in hydrocarbon solutions, can be formulated to exhibit shear thickening at increased shear rates. This property is useful in such technological applications as antimisting of the solvent.
    Type: Grant
    Filed: November 2, 1983
    Date of Patent: February 5, 1985
    Assignee: Exxon Research & Engineering Co.
    Inventors: Robert D. Lundberg, Dennis G. Peiffer, Ilan Duvdevani, Robert R. Phillips
  • Patent number: 4489180
    Abstract: The present invention discloses a class of water soluble complex polymers of relatively low molecular weight, which have been found to be improved drag reducing agents. These complex polymers are a mixture of a cationic copolymer having a water soluble polymer backbone and an anionic copolymer having a water soluble polymer backbone. The solutions of these complex polymers are improved drag reducing agents for aqueous systems at low concentrations (i.e., 10 to 500 ppm) relative to individual solutions of the copolymers which make upon the polymer complex.
    Type: Grant
    Filed: December 12, 1983
    Date of Patent: December 18, 1984
    Assignee: Exxon Research and Engineering Co.
    Inventors: Robert D. Lundberg, Dennis G. Peiffer, Ilan Duvdevani, Ralph M. Kowalik
  • Patent number: 4483960
    Abstract: This invention relates to emulsion type adhesive compositions which include a metal neutralized sulfonated elastomeric co- or terpolymer, wherein the neutralized sulfonated copolymer has about 5 to about 250 meq. of neutralized sulfonate groups per 100 grams of the neutralized sulfonated copolymer, and less than about 200 parts by weight of a hydrocarbon resin of a petroleum or coal tar distillate, having about 5 to 6 carbon atoms, the hydrocarbon resin being composed of aliphatic dienes and monoolefins per 100 parts by weight of the neutralized sulfonated co- or terpolymer.
    Type: Grant
    Filed: November 7, 1983
    Date of Patent: November 20, 1984
    Assignee: Exxon Research & Engineering Co.
    Inventors: Pawan K. Agarwal, S. Richard Turner, Robert D. Lundberg, Morris L. Evans
  • Patent number: 4483957
    Abstract: The instant invention relates to a process for increasing the viscosity of organic liquids by incorporating in said liquid a minor amount of polymer complex, and 1 to 1000 parts per million by volume of a cosolvent for the ionic groups of said polymer. The polymer complex comprises the reaction product of a metal neutralized sulfonated polymer and a styrene-ring pyridene copolymer, wherein the polymer complex is substantially soluble in said organic liquid, and pendant sulfonate groups which are substantially insoluble in said organic liquid. The cosolvent is selected because it will solubilize the pendant sulfonate groups and provide a reasonably homogeneous mixture of solvent, cosolvent and ionomeric polymer. The preferred compositions prepared by the method of the instant invention comprise an organic liquid having a solubility parameter of from 6 to 10.5 in combination with a polymer complex containing from 0.2 up to 10.
    Type: Grant
    Filed: November 14, 1983
    Date of Patent: November 20, 1984
    Assignee: Exxon Research & Engineering Co.
    Inventors: Robert D. Lundberg, Robert R. Phillips
  • Patent number: 4481318
    Abstract: This invention relates to unique and novel compositions based on chemically combining a sulfonated polymer and a tertiary amine terminated polylactone composition. The resulting amine neutralized sulfonated polymer compositions have a variety of uses including those as diverse as adhesive agents, thermoplastic elastomers, additives uses wherein these materials can be utilized to compatibilize two different polymers which are normally incompatible. These compositions can also be blended with fillers and/or oils when the sulfonated polymer is elastomeric. The materials display thermoplastic character.
    Type: Grant
    Filed: September 29, 1983
    Date of Patent: November 6, 1984
    Assignee: Exxon Research & Engineering Co.
    Inventors: Robert D. Lundberg, Warren A. Thaler
  • Patent number: 4480063
    Abstract: This invention relates to thermoplastic and/or elastomer blend compositions having a viscosity at 200.degree. C., at 0.73 sec.sup.-1 of about 5000 to about 5.times.10.sup.6 poises, wherein the compositions used for elastomeric articles which include a polymer complex of a neutralized sulfonated polymer and a polymer containing basic nitrogen atoms can also include about 25 to about 150 parts by weight of a nonpolar process oil per 100 parts of the polymer complex and about 50 to 300 parts by weight of a filler per 100 parts of the polymer complex. These blend compositions can be processed on conventional plastic fabrication equipment into polymeric articles having excellent physical properties.
    Type: Grant
    Filed: November 2, 1983
    Date of Patent: October 30, 1984
    Assignee: Exxon Research & Engineering Co.
    Inventors: Robert D. Lundberg, Dennis G. Peiffer, Robert R. Phillips
  • Patent number: 4465801
    Abstract: The present invention relates to a process for the viscosification of an aqueous liquid which includes the steps of forming a solvent system of an organic liquid or oil and a polar cosolvent, the polar cosolvent being less than about 15 weight percent of the solvent system, a viscosity of the solvent system being less than about 100 cps; dissolving a neutralized sulfonated polymer in the solvent system to form a solution, a concentration of the neutralized sulfonated polymer in the solution being about 0.01 to about 0.5 weight percent, a viscosity of the solution being less than about 200 cps; and admixing or contacting said solution with about 5 to about 500 volume percent water, the water being immiscible with the organic liquid and the polar cosolvent and neutralized sulfonated polymer transferring from the organic liquid to the water phase, thereby causing the water phase to thicken.
    Type: Grant
    Filed: May 3, 1982
    Date of Patent: August 14, 1984
    Assignee: Exxon Research & Engineering Co.
    Inventors: Dennis G. Peiffer, Robert D. Lundberg, Thad O. Walker
  • Patent number: 4463168
    Abstract: The instant invention relates to a process for the formation of polylactone polymers which are terminated on one end by a tertiary amine group, and on the other end by a hydroxyl group. An .epsilon.-caprolactone is reacted with an aromatic organic amine in the presence of a catalyst.
    Type: Grant
    Filed: December 23, 1983
    Date of Patent: July 31, 1984
    Assignee: Exxon Research and Engineering Co.
    Inventor: Robert D. Lundberg
  • Patent number: 4461884
    Abstract: The present invention relates to improved viscosification agents for a variety of aqueous solutions which comprise a family of intramolecular polymeric complexes (i.e., polyampholytes) which are terpolymers of acrylamide/metal styrene sulfonate/methacrylamidopropyltrimethylammonium chloride (MAPTAC).The metal styrene sulfonate is an anionic monomer, while MAPTAC is cationically charged. These acrylamide-based polyampholytes have approximately 1 to about 50 mol % of the anionic monomer and approximately 1 to about 50 mole % of the cationic moiety present within the macromolecular structure. These groups are not necessarily present in an equimolar charge ratio. The excess undissociated charge allows for facile dispensability or solubility of the polyampholytes into fresh water.
    Type: Grant
    Filed: March 25, 1983
    Date of Patent: July 24, 1984
    Assignee: Exxon Research and Engineering Co.
    Inventors: Dennis G. Peiffer, Robert D. Lundberg, S. Richard Turner
  • Patent number: 4460758
    Abstract: The present invention relates to improved drag reduction agents for aqueous solutions which comprises a polymeric complex which is a terpolymer of acrylamide/metal styrene sulfonate/methacrylamidopropyltrimethyl ammonium chloride.The metal styrene sulfonate is an anionic monomer, while MAPTAC is cationically charged. These acrylamide-based polyampholytes have approximately 1 to about 50 mole % of the anionic monomer and approximately 1 to about 50 mole % of the cationic moiety present within the macromolecular structure. These groups are not necessarily present in an equimolar charge ratio. The excess undissociated charge allows for facile dispensability or solubility of the polyampholytes into fresh water.
    Type: Grant
    Filed: November 2, 1983
    Date of Patent: July 17, 1984
    Assignee: Exxon Research and Engineering Co.
    Inventors: Dennis G. Peiffer, Robert D. Lundberg, Ralph M. Kowalik, S. Richard Turner