Patents by Inventor Walter Nudenberg

Walter Nudenberg 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: 6310237
    Abstract: A process for the preparation of derivatives of halo-but-2-enoic acids and esters high in 2-ene content, several of which are novel. The esters and their derivatives are useful as promoters for the polymerization of ethylene or the copolymerization of ethylene with &agr;-olefins and, optionally, nonconjugated polyenes. The promoters can also be combined with transition metal compounds, e.g., vanadium, to form combination promoter-catalyst compounds.
    Type: Grant
    Filed: July 18, 2000
    Date of Patent: October 30, 2001
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Xu Wu Feng, Walter Nudenberg
  • Patent number: 6147251
    Abstract: A process for the preparation of derivatives of halo-but-2-enoic acids and esters high in 2-ene content, several of which are novel. The esters and their derivatives are useful as promoters for the polymerization of ethylene or the copolymerization of ethylene with .alpha.-olefins and, optionally, nonconjugated polyenes. The promoters can also be combined with transition metal compounds, e.g., vanadium, to form combination promoter-catalyst compounds.
    Type: Grant
    Filed: November 6, 1998
    Date of Patent: November 14, 2000
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Xu Wu Feng, Walter Nudenberg
  • Patent number: 5786504
    Abstract: Compounds of the formula: ##STR1## wherein n is 1, 2, 3, or 4;X.sup.1 and X.sup.2 are each, independently, chlorine or bromine;A is O or S;R.sup.1 is hydrogen or C.sub.1 -C.sub.16 alkyl;R.sup.2 is C.sub.1 -C.sub.16 alkyl, C.sub.6 -C.sub.16 aryl, C.sub.1 -C.sub.4 alkylidene, or CH.sub.2 OR.sup.5 ;R.sup.3 is hydrogen, chlorine, bromine, or OR.sup.6 ;R.sup.4 is C.sub.1 -C.sub.16 alkyl, C.sub.7 -C.sub.16 aralkyl, C.sub.2 -C.sub.16 alkenyl, or C.sub.6 -C.sub.18 aryl;R.sup.5 is hydrogen, C.sub.1 -C.sub.16 alkyl, C.sub.7 -C.sub.16 aralkyl, C.sub.2 -C.sub.16 alkenyl, or C.sub.6 -C.sub.18 aryl; andR.sup.6 is hydrogen or C.sub.1 -C.sub.16 alkyl.These compounds by themselves and in combination with certain halo-but-2-enoic acids and esters are useful as catalyst promoters in ethylene polymerization processes.
    Type: Grant
    Filed: May 15, 1996
    Date of Patent: July 28, 1998
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Walter Nudenberg, Catherine Ann McGeary, Xu Wu Feng, Francis Xavier O'Shea
  • Patent number: 5527951
    Abstract: Tert-alkylmethoxy-substituted vanadium compounds, several of which are novel, are useful as catalysts for the polymerization of ethylene or the copolymerization of ethylene with alphaolefins and (optionally) nonconjugated polyenes. Also disclosed is a novel catalyst composition comprising such vanadium compounds.
    Type: Grant
    Filed: January 12, 1995
    Date of Patent: June 18, 1996
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Jamil A. Khan, Walter Nudenberg, David J. Smudin, Demetreos N. Matthews
  • Patent number: 4962234
    Abstract: An antioxidant for lubricating oils comprising an amine compound selected from substituted benzylamines or a substituted 1-amino-1,2,3,4-tetrahydro-naphthalene. The preferred anti-oxidants are N-(alpha -methyl -p -octylbenzyl) aniline, N-(alpha-methylbenzyl)- p -nonylaniline or 1-( p -dodecylanilino)-1,2,3,4-tetrahydronaphthalene.
    Type: Grant
    Filed: June 1, 1988
    Date of Patent: October 9, 1990
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Baldev K. Bandlish, Frederick C. Loveless, Walter Nudenberg
  • Patent number: 4956122
    Abstract: A lubricating composition is provided containing: a high viscosity synthetic hydrocarbon such as high viscosity polyalphaolefins, liquid hydrogenated polyisoprenes or ethylene-alphaolefin copolymers having a viscosity of 40-1000 centistokes at 100.degree. C.; a low viscosity synthetic hydrocarbon and/or optionally a low viscosity ester; and optionally an additive package to impart desirable performance properties to the composition.
    Type: Grant
    Filed: December 23, 1988
    Date of Patent: September 11, 1990
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Raymond F. Watts, Frederick C. Loveless, Walter Nudenberg
  • Patent number: 4754004
    Abstract: Amorphous ethylene/alphaolefin copolymer (optionally additionally containing nonconjugated polyene) is purified by contacting a reaction mass comprising such polymer and live, soluble polymerization catalyst composition with an effective amount of a liquid wash solution comprising at least one member selected from the group consisting of ethane, propane, butane, isobutane, neopentane, propylene, 1-butene 2-butene and isobutene.
    Type: Grant
    Filed: September 26, 1986
    Date of Patent: June 28, 1988
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Walter Nudenberg, Edward R. Grandbois, Jamil A. Khan, Robert A. Yates
  • Patent number: 4594469
    Abstract: A process for oligomerizing alpha-olefins comprising contacting in a reactor zone under reaction conditions: (a) alpha-olefins having at least three carbon atoms; (b) an alkyl aluminum bromine or iodine compound having the formula R.sub.3 Al.sub.2 X.sub.3 or R.sub.n AlX.sub.3-n, wherein n is 1 or 2; R is an hydrocarbyl group and X is a reactive halogen selected from bromine and iodine; and (c) a cocatalyst which is (i) bromine, (ii) iodine, (iii) hydrocarbyl bromide having at least one halogen group reactive with said aluminum compound or (iv) hydrocarbyl iodide having at least one halogen group reactive with said aluminum compound.
    Type: Grant
    Filed: September 8, 1983
    Date of Patent: June 10, 1986
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Frederick C. Loveless, Aspet V. Merijanian, David J. Smudin, Walter Nudenberg
  • Patent number: 4491652
    Abstract: Thermoplastic elastomeric sequentially prepared propylene and (ethylene-propylene) polymer, or propylene, (ethylene-propylene) and propylene polymer, made in solvent medium with catalyst system based on (a) complex of titanium tetrachloride and alkyl benzoate or a phenol, supported on magnesium dihalide and (b) trialkyl aluminum modified by electron rich substituted benzoate.
    Type: Grant
    Filed: April 29, 1982
    Date of Patent: January 1, 1985
    Assignee: UNIROYAL, Inc.
    Inventors: Demetreos N. Matthews, Walter Nudenberg
  • Patent number: 4469609
    Abstract: The invention comprises a novel stabilizing system useful for imparting resistance to oxidative breakdown comprising:(1) a metal deactivator azine of the formula: ##STR1## where: R.sub.1 and R.sub.2 can be hydrogen, alkyl with 1-12 carbon atoms, alkoxy with 1-12 carbon atoms, carbalkoxy with 1-12 carbon atoms, halogen, hydroxy, nitro and amino groups and X.sub.1 and X.sub.2 can be hydrogen, alkyl with 1-12 carbon atoms or di-, tri- or tetramethylene bridges to the aromatic ring.(2) an amine;(3) a metal compound selected from the group consisting of metals or metal salt; and(4) a lubricating oil selected from the group consisting of mineral oils or synthetic hydrocarbon oils.
    Type: Grant
    Filed: March 11, 1982
    Date of Patent: September 4, 1984
    Assignee: Uniroyal, Inc.
    Inventors: Baldev K. Bandlish, Walter Nudenberg
  • Patent number: 4451575
    Abstract: A catalyst composition is provided with an activator in combination with a primary catalyst system. The primary catalyst system is a vanadium compound and an organometallic compound of the formula RMgX, LiAlr.sub.4, or R.sub.A Al.sub.2 X.sub.B, wherein R is a hydrocarbon radical having 1 to 12 carbon atoms, X is a halogen atom; A is a number from 2 to 6, and B is a number from 0 to 4, with the proviso that the sum of A and B is 6 and that at least one of the groups attached either to the vanadium compound or to the organometallic compound is a halogen atom. The activator is bis(trichloromethyl) sulfone.
    Type: Grant
    Filed: November 10, 1982
    Date of Patent: May 29, 1984
    Assignee: Uniroyal, Inc.
    Inventors: Walter Nudenberg, Yong S. Rim, Demetreos N. Matthews
  • Patent number: 4347159
    Abstract: A catalyst composition is provided with an activator in combination with a primary catalyst system. The primary catalyst system is a vanadium compound and an organometallic compound of the formula RMgX, LiAlr.sub.4, or R.sub.A Al.sub.2 X.sub.B, wherein R is a hydrocarbon radical having 1 to 12 carbon atoms, X is a halogen atom; A is a number from 2 to 6, and B is a number from 0 to 4, with the proviso that the sum of A and B is 6 and that at least one of the groups attached either to the vanadium compound or to the organometallic compound is a halogen atom.
    Type: Grant
    Filed: May 23, 1980
    Date of Patent: August 31, 1982
    Assignee: Uniroyal, Inc.
    Inventors: Walter Nudenberg, Yong S. Rim, Demetreos N. Matthews
  • Patent number: 4335006
    Abstract: Lubricating oils are stabilized against oxidative degradation by the use of a stabilizer comprising (A) an amine wherein the amine is a substituted benzylamine, or a substituted 1-amino-1,2,3,4-tetrahydronaphthalene, (B) a metal deacturator and (C) a metal or metal salt. Optionally a metal deactivator can be incorporated into the system. The preferred substitute benzylamine is N(alpha-methyl benzyl)amine the preferred naphthalamine is phenyl-alpha-naphthalamine.
    Type: Grant
    Filed: October 6, 1980
    Date of Patent: June 15, 1982
    Assignee: Uniroyal, Inc.
    Inventors: Baldev K. Bandlish, Frederick C. Loveless, Walter Nudenberg
  • Patent number: 4324870
    Abstract: Improvements in scorch time of natural and synthetic rubber compositions in urethane crosslinking systems employing alkyl derivatives of dithiophosphoric acid as the scorch delay cure catalyst having the formula: ##STR1## wherein R.sub.1 and R.sub.2 are alkyl having at least 12 carbon atoms, or connected together and forman alkylene group having at least 2 carbon atoms, and R.sub.3 is hydrogen or phenethyl.
    Type: Grant
    Filed: June 23, 1980
    Date of Patent: April 13, 1982
    Assignee: Uniroyal, Inc.
    Inventors: Yong S. Rim, Walter Nudenberg, Arnold N. Johnson
  • Patent number: 4316971
    Abstract: An EPM or EPDM type of elastomer is modified by graft copolymerization with acylic ester type of monomeric material, said monomeric material being material whose homopolymer has a glass transition temperature of not greater than 6.degree. C., in an amount sufficient to provide an ester group (--COO--) content of from 25 to 40% by weight, to yield a mixed copolymerizate vulcanizable to a heat and oil resistant elastomeric state.
    Type: Grant
    Filed: May 21, 1979
    Date of Patent: February 23, 1982
    Assignee: Uniroyal, Inc.
    Inventors: Yong S. Rim, John A. Davison, Walter Nudenberg
  • Patent number: 4240974
    Abstract: A fire retardant system comprising a compound having within its structure the 1,2,3,4,9,9-hexahalo-1,4-dihydro-1,4-methanonaphthalene-5,8-dione or 1,2,3,4,9,9-hexahalo-1,4-dihydro-1,4-methanonaphthalene-5,8-dioxy nucleus or a compound which is capable of being converted to the 1,2,3,4,9,9-hexahalo-1,4-dihydro-1,4-methanonaphthalene-5,8-dione nucleus and requires no metal oxide addition to exert its function.
    Type: Grant
    Filed: December 19, 1978
    Date of Patent: December 23, 1980
    Inventors: Julian R. Little, Walter Nudenberg, Yong S. Rim
  • Patent number: 4239638
    Abstract: Poly-alpha-olefin oils having high flash points useful as heat transfer fluids in solar and industrial applications.
    Type: Grant
    Filed: November 3, 1978
    Date of Patent: December 16, 1980
    Assignee: Uniroyal, Inc.
    Inventors: David Beretta, Frederick C. Loveless, Walter Nudenberg
  • Patent number: 4239862
    Abstract: Long chain aliphatic alcohol (C.sub.16 +) is added to thermoplastic elastomer based on blend of olefin copolymer rubber (EPM or EPDM) and polyolefin resin (especially polypropylene). The blend may be uncured or dynamically partially cured. The long chain aliphatic alcohol permits injection molded articles to be demolded within a shorter time without tearing or distortion, and decreases the surface tackiness of the article.
    Type: Grant
    Filed: December 13, 1979
    Date of Patent: December 16, 1980
    Assignee: Uniroyal, Inc.
    Inventors: Demetreos N. Matthews, Walter Nudenberg, Henno A. Petersen
  • Patent number: 4238578
    Abstract: A chlorinated polyethylene elastomer or resin is modified by graft copolymerization with acrylic ester type of monomeric material, whose homopolymers have a glass transition temperature of not greater than 6.degree. C., in an amount sufficient to provide an ester group (--COO--) content of from 25 to 40% by weight, to yield a mixed copolymerizate vulcanizable to a heat and oil resistant elastomeric state.
    Type: Grant
    Filed: May 21, 1979
    Date of Patent: December 9, 1980
    Assignee: Uniroyal, Inc.
    Inventors: Yong S. Rim, Walter Nudenberg, Robert Miller, Phillip J. Cangelosi
  • Patent number: 4225645
    Abstract: This invention relates to flame-retarded cross-linked elastomer compositions obtained from an elastomeric polyurethane prepolymer; an organic fire-retardant additive containing chlorine and/or bromine; a compound of antimony; and a hexaalkoxymethyl melamine. These new compositions are self-extinguishing as well as non-dripping.
    Type: Grant
    Filed: November 1, 1978
    Date of Patent: September 30, 1980
    Assignee: Uniroyal, Inc.
    Inventors: Chung-Ling Mao, Walter Nudenberg