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: 4942189
    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 1,000 cps; forming an interpolymer complex of neutralized sulfonated polymer (water insoluble) and copolymer of styrene/vinylpyridine in the solvent system to form a solution, a concentration of the water insoluble interpolymer complex 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; the 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 interpolymer complex transferring from the organic liquid to the water phase, thereby causing the water phase to gel (i.e., thicken).
    Type: Grant
    Filed: July 31, 1989
    Date of Patent: July 17, 1990
    Assignee: Exxon Research and Engineering Company
    Inventors: Dennis G. Peiffer, Robert D. Lundberg, Ilan Duvdevani
  • Patent number: 4936866
    Abstract: Hydroxyl terminated polymeric C.sub.5 -C.sub.9 lactone adducts are made by reacting a C.sub.5 -C.sub.9 lactone with the reaction product of a C.sub.2 -C.sub.10 olefin polymer or a halogenated derivative thereof having a number average molecular weight of 300 to about 10,000, with an amine containing from 2 to 60 total carbon atoms and from 1 to 12 nitrogen atoms. The resulting adducts are useful per se as oil soluble dispersant additives. They are also useful in fuel and lubricating oil compositions, as well as in concentrates and additive packages.
    Type: Grant
    Filed: August 31, 1989
    Date of Patent: June 26, 1990
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 4933098
    Abstract: Oil soluble viscosity index improving additives comprising ethylene compolymers such as copolymers of ethylene and propylene; and ethylene, propylene and diolefin; etc. reacted or grafted with ethylenically unsaturated carboxylic acid moieties, preferably maleic anhydride moieties, and reacted with amines having two or more primary amine groups or at least one primary amine group and at least one secondary amine group and a carboxylic acid component, preferably alkylene polyamine and with alkenyl succinic anhydride such as polyisobutenyl succinic anhydride, are improved by being further reacted with a lactone, preferably a lactone having at least 6 atoms in the lactone ring. The resulting lactone modified products are useful per se as oil soluble V.I. additives in fuel and lubricating compositions including concentrates containing the additives.
    Type: Grant
    Filed: April 6, 1988
    Date of Patent: June 12, 1990
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 4913830
    Abstract: Poly (C.sub.5 -C.sub.9 lactone) modified Mannich base adducts are made by reacting a C.sub.5 -C.sub.9 lactone, an amine, an aldehyde, and a hydrocarbyl substituted, hydroxy aromatic compound, e.g. a polyisobutenyl phenol which, in turn, preferably is made by reacting a polymer of a C.sub.2 to C.sub.10 monoolefin, preferably polyisobutylene, having a molecular weight of about 700 to 10,000 with a hydroxy aromatic compound. The resulting adducts are useful per se as oil soluble dispersant additives. They are also useful in fuel and lubricating oil compositions, as well as in concentrates and additive packages.
    Type: Grant
    Filed: January 9, 1989
    Date of Patent: April 3, 1990
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Robert D. Lundberg, Antonio Gutierrez
  • Patent number: 4906252
    Abstract: This invention is to a fuel oil composition containing polyolefinic succinimide polyamine alkyl acetoacetate adducts of the general following: ##STR1## wherein the variables are defined herein. The adduct additives are especially useful in concentrates and fuel oil compositions as dispersants. The formulations have excellent cold flow properties compared to similar formulations not containing the inventive adduct.
    Type: Grant
    Filed: April 7, 1989
    Date of Patent: March 6, 1990
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg, Robert A. Kleist, Ricardo Bloch
  • Patent number: 4906394
    Abstract: C.sub.5 -C.sub.9 lactone based adduct materials are made by reacting a C.sub.5 -C.sub.9 lactone with a polyamine, a polyol or an amino alcohol to form a lactone adduct intermediate, and thereafter reacting the intermediate with an aliphatic hydrocarbyl saturated or unsaturated, straight chain or branched chain monocarboxylic or dicarboxylic acylating agent having from about one to about 165 total carbon atoms in said straight or branched chain to insure that the resulting lactone adduct is hydrocarbon soluble. The resulting adduct material are useful per se, as oil soluble dispersant additives, and are useful in fuel and lubricating oil compositions including concentrates containing the additives.
    Type: Grant
    Filed: October 7, 1986
    Date of Patent: March 6, 1990
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 4904722
    Abstract: A method for controlling the viscosity of organic liquids, said organic liquid having a solubility parameter of less than 9.5, a viscosity, as measured at 25.degree. C., of less than 200 centipoises and said organic liquid is selected from the group consisting of mineral oils, synthetic oils, naphthanes, alkanes, cycloalkanes and aromatics and mixtures thereof, which comprises incorporating in said organic liquid about 0.01 to 20 grams of polymer complex per 100 ml. of said organic liquid, said polymer complex being formed "in situ" in said organic liquid or dissolved in said organic liquid, said complex being comprised of polymer A, containing about 4 meq. to 500 meq. of neutralized sulfonate groups, and polymer B, containing basic nitrogen groups, both functional groups being present at a level of from about 4 to 500 meq. per 100 g. of polymer, wherein polymer B has the formula: ##STR1## wherein x is about 50.0 to 99.8 weight percent and y is about 0.2 to about 50.
    Type: Grant
    Filed: October 18, 1985
    Date of Patent: February 27, 1990
    Assignee: Exxon Research and Engineering Company
    Inventors: Robert D. Lundberg, Robert R. Phillips, Dennis G. Peiffer, Ilan Duvdevani
  • Patent number: 4870197
    Abstract: This invention is a process for preparing Group I-B and II-B metal, preferably copper, salts of polyolefinic substituted dicarboxylic acids. The method involves the step of introducing substantially less than a stoichiometric amount of a short chain carboxylic acid (such as acetic or propionic acid), in a stagewise fashion, to a mixture of a source of the corresponding Group I-B or II-B metal (such as an oxide or hydroxide) with the polyolefinic substituted dicarboxylic acid. The product salt is then recovered.
    Type: Grant
    Filed: December 12, 1986
    Date of Patent: September 26, 1989
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg, Laura J. Colcord-Hernandez
  • Patent number: 4866140
    Abstract: C.sub.5 -C.sub.9 lactone based adduct materials are made by reacting a C.sub.5 -C.sub.9 lactone with a polyamine, a polyol or an amino alcohol to form a lactone adduct intermediate, and thereafter reacting the intermediate with a hydrocarbyl substituted C.sub.4 -C.sub.10 monounsaturated dicarboxylic acid producing material, e.g., a polyisobutenyl succinimide, which, in turn, preferably was made by reacting a polymer of a C.sub.2 to C.sub.10 monoolefin, preferably polyisobutylene, having a molecular weight of about 300 to 10,000 with a C.sub.4 to C.sub.10 monounsaturated acid, anhydride or ester, preferably maleic anhydride, such that there are 0.7 to 2.0 dicarboxylic acid producing moieties per molecule of said olefin polymer used in the reaction mixture. The resulting adduct material are useful per se, as oil soluble dispersant additives, and are useful in fuel and lubricating oil compositions including concentrates containing the additives.
    Type: Grant
    Filed: October 7, 1986
    Date of Patent: September 12, 1989
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 4866142
    Abstract: Hydroxyl terminated polymeric C.sub.5 -C.sub.9 lactone adducts are made by reacting a C.sub.5 -C.sub.9 lactone with the reaction product of a C.sub.2 -C.sub.10 olefin polymer or a halogenated derivative thereof having a number average molecular weight of 300 to about 10,000 with an amine containing from 2 to 60 total carbon atoms and from 1 to 12 nitrogen atoms. The resulting adducts are useful per se as oil soluble dispersant additives. They are also useful in fuel and lubricating oil compositions, as well as in concentrates and additive packages.
    Type: Grant
    Filed: October 7, 1986
    Date of Patent: September 12, 1989
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 4866141
    Abstract: C.sub.5 -C.sub.9 lactone derived materials are made by simultaneously reacting (a) a C.sub.5 -C.sub.9 lactone with (b) a polyamine, a polyol or an amino alcohol and (c) a hydrocarbyl substituted C.sub.4 -C.sub.10 monounsaturated dicarboxylic acid producing material, e.g., a polyisobutenyl succinimide, which preferably was made by reacting a polymer of a C.sub.2 to C.sub.10 monoolefin, preferably polyisobutylene, having a molecular weight of about 300 to 10,000 with a C.sub.4 to C.sub.10 monounsaturated acid, anhydride or ester, preferably maleic anhydride, such that there are 0.7 to 2.0 dicarboxylic acid producing moieties per molecule of said olefin polymer used in the reaction mixture. The resulting lactone derived materials, which may be post-treated, for example, with a boron compound, are useful, per se, as oil soluble dispersant additives, and are useful in fuel and lubricating oil compositions including concentrates containing the additives.
    Type: Grant
    Filed: October 7, 1986
    Date of Patent: September 12, 1989
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 4866139
    Abstract: Poly(C.sub.5 -C.sub.9 lactone) adducts are made by reacting a C.sub.5 -C.sub.9 lactone with a post reacted hydrocarbyl substituted C.sub.4 -C.sub.10 monounsaturated dicarboxylic acid producing material, e.g., a polyisobutenyl succinic anhydride, which, in turn, preferably was made by reacting a polymer of a C.sub.2 to C.sub.10 monoolefin, preferably polyisobutylene, having a number average molecular weight of about 700 to 5,000, with a C.sub.4 to C.sub.10 monounsaturated acid, anhydride or ester, preferably maleic anhydride, such that there are 0.7 to 2.0 dicarboxylic acid producing moieties per molecular of said olefin polymer used in the reaction mixture, and then, post reacting the substituted acid, anhydride or ester with a polyol such as pentaerythritol or THAM. The resulting adducts are useful per se as oil soluble dispersant additives useful in fuel and lubricating compositions including concentrates containing the additives.
    Type: Grant
    Filed: October 7, 1986
    Date of Patent: September 12, 1989
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 4866135
    Abstract: Polymer C.sub.5 -C.sub.9 derivatives are made by reacting a C.sub.5 -C.sub.9 lactone with an aminoalkyl derivative, e.g., N-(3-aminopropyl) morpholine, to form an adduct having a hydroxyl group on one end thereof and a tertiary amino nitrogen-containing heterocyclic ring group on the other end thereof, and then reacting the adduct with an ethylene-C.sub.3 to C.sub.28 alpha-olefin copolymer or terpolymer which has from about 0.2 to about 5 wt. % of ethylenically unsaturated carboxylic acid units grafted thereto, e.g., maleic anhydride ethylene-propylene copolymer. The resulting polymeric C.sub.5 -C.sub.9 lactone derivatives are usful per se as multifunctional oil soluble additives for fuel and lubricating oil compositions, including concentrates containing the additives.
    Type: Grant
    Filed: October 7, 1986
    Date of Patent: September 12, 1989
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 4863624
    Abstract: Novel dispersant mixtures are provided, having improved lubricating oil performance characteristics, comprising nitrogen or ester containing dispersants selected from the group consisting of oil soluble salts, amides, imides, oxazoline and esters or mixtures thereof, wherein a first dispersant comprises a long chain hydrocarbon substituted mono- and dicarboxylic acid or their anhydrides derived from polymers of C.sub.2 to C.sub.10 monoolefins wherein the polymer has a number average molecular weight of at least about 1300 and wherein the second dispersant component is derived from such polymers having a number average molecular weight of from about 700 to 1150. The relatively high molecular weight dispersant is provided with from about 1.05 to 1.25 moles per mole of polyolefin of an alpha or beta unsaturated C.sub.4 to C.sub.10 dicarboxylic acid or anhydride or ester thereof. The relatively lower molecular weight dispersant is provided with from about 1.2 to 2.
    Type: Grant
    Filed: September 9, 1987
    Date of Patent: September 5, 1989
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Malcolm Waddoups, Robert D. Lundberg
  • Patent number: 4857217
    Abstract: The present invention is directed to a dispersant additive comprising at least one adduct of (A) a polyolefin of 300 to 10,000 number average molecular weight substituted with at least 0.3 (e.g., from about 1 to 4) dicarboxylic acid producing moieties (preferably acid or anhydride moieties) per polyolefin molecule, (B) an amido-amine or thioamido-amine characterized by being a reaction product of at least a polyamine and an alpha, beta-unsaturated compound of the formula: ##STR1## wherein X is sulfur or oxygen, Y is --OR.sup.4, --SR.sup.4, or --NR.sup.4 (R.sup.5), and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and are hydrogen or substituted or unsubstituted hydrocarbyl.
    Type: Grant
    Filed: November 30, 1987
    Date of Patent: August 15, 1989
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 4849572
    Abstract: There is provided a process for preparing polybutenes having enhanced reactivity using a BF.sub.3 catalyst and an immediate quench procedure and controlled polymerization times of 12 to 40 minutes in combination with isobutylene conversions of at least 70%.
    Type: Grant
    Filed: December 22, 1987
    Date of Patent: July 18, 1989
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Frank J. Chen, Jacob Emert, Robert D. Lundberg, Gregory C. Giffin
  • Patent number: 4839071
    Abstract: This invention is to a lubricating or fuel oil composition containing polyolefinic succinimide polyamine alkyl acetoacetate adducts of the general formula: ##STR1## wherein Z.sup.1 and Z.sup.3 are moities of the formula: ##STR2## Z.sup.2 is a moiety of the formula: ##STR3## wherein R.sup.2, R.sup.3 and R.sup.4 are alkylene of from 1 to 6 carbon atoms, m is an integer of from 1 to 5, each A' is H, A and the moiety: ##STR4## wherein A" is H or A, R.sup.3 is as defined above, R.sup.6 is alkylene of from 1 to 6 carbon atoms, T.sup.1 and T.sup.2 are ##STR5## wherein B' is substituted or unsubstituted alkyl or aryl-containing group, n.sup.1, n.sup.2, n.sup.3 and n.sup.4 are from 0 to 10 their sum being from 3 to 10, R.sup.1 and R.sup.5 are an olefin polymer, and A comprises a tautomeric substituent of the formula: ##STR6## wherein R.sup.10 is substituted or unsubstituted alkyl or aryl containing groups.
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: June 13, 1989
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg, Robert A. Kleist, Ricardo Bloch
  • Patent number: 4828742
    Abstract: Poly (C.sub.5 -C.sub.9 lactone) modified Mannich base adducts are made by reacting a C.sub.5 -C.sub.9 lactone, an amine, an aldehyde, and a hydrocarbyl substituted, hydroxy aromatic compound, e.g. a polyisobutenyl phenol which, in turn, preferably is made by reacting a polymer of a C.sub.2 to C.sub.10 monoolefin, preferably polyisobutylene, having a molecular weight of about 700 to 10,000, with a hydroxy aromatic compound. The resulting adducts are useful per se as oil soluble dispersant additives. They are also useful in fuel and lubricating oil compositions, as well as in concentrates and additive packages.
    Type: Grant
    Filed: July 24, 1987
    Date of Patent: May 9, 1989
    Assignee: Exxon Chemical Patents, Inc.
    Inventors: Robert D. Lundberg, Antonio Gutierrez
  • Patent number: 4820432
    Abstract: Poly (C.sub.5 -C.sub.9 lactone) modified Mannich base adducts are made by reacting a C.sub.5 -C.sub.9 lactone, an amine, an aldehyde, an N-hydroxyarylamine, and a hydrocarbyl substituted C.sub.4 -C.sub.10 monounsaturated dicarboxylic acid producing material, e.g., a polyisobutenyl succinic anhydride, which, in turn, preferably is made by reacting a polymer of a C.sub.2 to C.sub.10 monoolefin, preferably polyisobutylene, having a molecular weight of about 700 to 10,000 with a C.sub.4 to C.sub.10 monounsaturated acid, anhydride or ester, preferably maleic anhydride, such that there are about 0.7 to 2.00 dicarboxylic acid producing moieties per molecule of said olefin polymer used in the reaction mixture. The resulting adducts are useful per se as oil soluble dispersant additives. They are also useful in fuel and lubricating oil compositions, as well as in concentrates and additive packages.
    Type: Grant
    Filed: July 24, 1987
    Date of Patent: April 11, 1989
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Robert D. Lundberg, Antonio Gutierrez
  • Patent number: 4788081
    Abstract: A polymeric composite comprising a (a) urea; (b) a coating of sulfonated polymer which has about 10 to about 200 meq. of sulfonate groups per 100 grams of said sulfonated polymer, said sulfonate groups being neutralized with a polycaprolactone polymer having the formula: ##STR1## wherein R.sub.1 or R.sub.2 is an alkyl, cycloalkyl or aryl group; R.sub.3, R.sub.4 and R.sub.5 are a hydrogen or alkyl, cycloalkyl, or aryl groups; m equals 1 to 20 and n equals 1 to 500, wherein said coating is deposited on the surface of said urea.
    Type: Grant
    Filed: February 1, 1988
    Date of Patent: November 29, 1988
    Assignee: Exxon Research and Engineering Company
    Inventors: Warren A. Thaler, Pacifico V. Manalastas, Evelyn N. Drake, Robert D. Lundberg