Patents Represented by Attorney David J. Untener
  • Patent number: 6820406
    Abstract: The invention is directed to hybrid yarns which include plant bast fibers and thermoplastic fibers, reinforcing fabrics made from such yarns, and reinforced composites made from such yarns and fabrics.
    Type: Grant
    Filed: May 13, 2002
    Date of Patent: November 23, 2004
    Assignee: Cargill, Incorporated
    Inventors: Mikhail Khavkine, Barbara Isman
  • Patent number: 6292783
    Abstract: A document information system and a computer implemented method for use in the field of home healthcare, post-acute clinical care, hospice and home infusion comprising a data storage means, phone interface means for inputting and retrieving data and a verification means using one or more calendars to verify medical tasks.
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: September 18, 2001
    Assignee: Plexar & Associates
    Inventors: David P. Rohler, Thomas E. Dechant, Michelle F. Boasten
  • Patent number: 5950280
    Abstract: A utensil holding device engageable with a utensil (e.g., spoon or fork) to provide an improved gripping surface for the utensil. The utensil holding device is adapted for quick and easy attachment to a utensil. A portion of the handle section of a utensil is arranged inside a cavity formed by the utensil holding device. The device allows an individual to better grip and maneuver a utensil.
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: September 14, 1999
    Assignee: Magic American Corporation
    Inventor: Curtis Taylor
  • Patent number: 5902530
    Abstract: A novel composite high-nitrile fiber in which the polymers are arranged in a sheath core type configuration. One polymer of the composite filament contains a solventless, waterless, melt-processable acrylonitrile olefinically unsaturated polymer and the other polymer of the composite filament contains an organic polymer. Either polymer can be employed as the sheath or the core component of the composite filament.
    Type: Grant
    Filed: December 12, 1997
    Date of Patent: May 11, 1999
    Assignee: The Standard Oil Company
    Inventors: Richard J. Jorkasky, George S. Li, Elena Simona Percec
  • Patent number: 5895635
    Abstract: A process for the recovery of unreacted ammonia from the reactor effluent obtained from a reaction zone used to produce acrylonitrile or methacrylonitrile comprising quenching the reactor effluent with an aqueous solution of ammonium phosphate wherein the ratio of ammonium ions to phosphate ions in the solution is between about 0.7 to about 1.3, preferably between about 0.9 to 1.2.
    Type: Grant
    Filed: October 17, 1997
    Date of Patent: April 20, 1999
    Assignee: The Standard Oil Company
    Inventors: James Frank Brazdil, Jr., Kenneth Paul Keckler, Richard Paul Hauser
  • Patent number: 5891345
    Abstract: A process for the destruction of organic compounds selected from the group consisting of nitriles, aromatics, heteroaromatics, amides, organic acids, aldehydes and alcohols from wastewater, comprising contacting volatilized wastewater with a catalyst at an elevated temperature in the absence of added oxygen, so as to convert volatile organic compounds and ammonia to a mixture comprising hydrogen and carbon dioxide which are separated and removed from the stream, yielding a purified aqueous stream, substantially free of organic compounds.
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: April 6, 1999
    Assignee: The Standard Oil Company
    Inventors: Noel Jerome Bremer, Gary Vernon Goeden, David Roy Woodbury
  • Patent number: 5877108
    Abstract: A process for regenerating molybdenum containing ammoxidation catalyst comprising replacing the molybdenum loss from the catalyst during the ammoxidation reaction wherein ammonium dimolybdenum is utilized as the source for replacement of the molybdenum loss from the original catalyst.
    Type: Grant
    Filed: December 11, 1997
    Date of Patent: March 2, 1999
    Assignee: The Standard Oil Company
    Inventors: Dev Dhanaraj Suresh, Christos Paparizos, Michael J. Seely, Tama Lee Drenski, Maria Strada Friedrich
  • Patent number: 5869730
    Abstract: A process for manufacturing an unsaturated mononitrile selected from the group consisting of acrylonitrile and methacrylonitrile comprising reacting an olefin selected from the group consisting of propylene and isobutylene, ammonia and oxygen in a reactor zone in the presence of a catalyst to produce a reactor effluent containing the corresponding unsaturated mononitrile, transferring the reactor effluent containing the unsaturated mononitrile to a quench column wherein the reactor effluent containing the unsaturated mononitrile is contacted with at least a first aqueous stream to cool the reactor effluent, transferring the cooled reactor effluent containing the unsaturated mononitrile to an absorption column wherein the reactor effluent containing unsaturated mononitrile is contacted with at least a second aqueous stream to separate and remove the unsaturated mononitrile as a bottom stream from the absorption column, transferring the bottom stream containing the unsaturated mononitrile to a recovery and puri
    Type: Grant
    Filed: May 13, 1998
    Date of Patent: February 9, 1999
    Assignee: The Standard Oil Company
    Inventors: Anne M. Graham, Sanjay P. Godbole, Daniel G. Lee
  • Patent number: 5866502
    Abstract: A method of preparing a V.sub.a Sb.sub.b M.sub.m N.sub.n O.sub.x catalyst useful in the ammoxidation of a C.sub.2 -C.sub.5 hydrocarbon to its corresponding .alpha., .beta. unsaturated nitrile comprising heating an aqueous mixture comprising V.sub.2 O.sub.5 and Sb.sub.2 O.sub.3 at a temperature above about 100.degree. to 250.degree. C., preferably 110.degree. to 175.degree. C., most preferably 120.degree. to 160.degree. C., under autogenous pressure with agitation to form a catalyst precursor, drying the catalyst precursor and calcining the catalyst precursor to form the finished catalyst.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: February 2, 1999
    Assignee: The Standard Oil Co.
    Inventors: Larry Michael Cirjak, Marc Anthony Pepera
  • Patent number: 5854172
    Abstract: A method of preparing a catalyst having the elements and the proportions indicated by the following empirical formula:VSb.sub.m A.sub.a D.sub.d O.sub.xwhereA is one or more Ti, Sn, where Sn is always presentD is one or more Li, Mg, Ca, Sr, Ba, Co, Fe, Cr, Ga, Ni, Zn, Ge, Nb, Zr, Mo, W, Cu, Te, Ta, Se, Bi, Ce, In, As, B, Al and Mn whereinm is 0.5 to 10a is greater than zero to 10d is zero to 10x is determined by the oxidation state of the cations present,comprising making an aqueous slurry of a mixture of source batch materials comprising compounds of said elements to be included in the final catalyst, followed by drying and heat calcining the mixture to an active catalyst, wherein the source batch material for the tin is a solution which comprises SnO.sub.2.xH.sub.2 O wherein x.gtoreq.0 dispersed in tetraalkyl ammonium hydroxide wherein the tetraalkyl ammonium hydroxide is defined by the following formula:C.sub.n H.sub.2n+1 NOHwherein5.gtoreq.n.gtoreq.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: December 29, 1998
    Assignee: The Standard Oil Company
    Inventors: James Frank Brazdil, Jr., Joseph Peter Bartek
  • Patent number: 5840648
    Abstract: A catalyst composition comprising a complex of catalytic oxides of iron, bismuth, molybdenum and calcium and characterized by the following empirical formula:A.sub.a B.sub.b C.sub.c D.sub.d Fe.sub.e Bi.sub.f MO.sub.12 O.sub.xwhere A=one or more of Li, Na, K, Rb and Cs or mixtures thereofB=one or more of Mg, Mn, Ni, Co, Ag, Pb, Re, Cd and Zn or mixtures thereofC=one or more of Ce, Cr, Al, Sb, P, Ge, La, Sn, V and W or mixtures thereofD=one or more of Ca, Sr, Ba or mixtures thereofand a=0.01 to 1.0; b and e=1.0-10; c, d, and f=0.1 to 5.0 and x is a number determined by the valence requirements of the other elements present.
    Type: Grant
    Filed: September 2, 1997
    Date of Patent: November 24, 1998
    Assignee: The Standard Oil Company
    Inventors: Dev Dhanaraj Suresh, Christos Paparizos, Michael J. Seely, Maria Strada Friedrich, Tama Lee Drenski
  • Patent number: 5840955
    Abstract: A process for the enhanced recovery of hydrogen cyanide (HCN) obtained from the reactor effluent of an ammoxidation reaction of propylene or isobutylene comprising passing the reactor effluent through a quench column, an absorber column, a first distillation column, a second distillation column, a cooler and a knock-out pot, wherein the improvement comprises contacting the vapor phase containing hydrogen cyanide with an aqueous stream.
    Type: Grant
    Filed: November 25, 1997
    Date of Patent: November 24, 1998
    Inventors: Edward J. Sockell, Joseph C. Sarna, Ali Kerr, Sanjay P. Godbole
  • Patent number: 5821192
    Abstract: A process for preparing a catalyst having the following formula:V.sub.a Sb.sub.b M.sub.c O.sub.xwherein M=tin, titanium, lithium, sodium, potassium, molybdenum, tungsten, iron, chromium, cobalt, copper, gallium, niobium, tantalum, tellurium, bismuth, or mixtures thereof,a=0.1 to 5, preferably 0.1 to 3, most preferably 0.1 to 2b=0.1 to 5, preferably 0.1 to 3, most preferably 0.1 to 2c=0.0 to 5, preferably greater than 0 to 5, most preferably 0.01 to 3, andx is a number sufficient to satisfy the valency requirements of the elements,comprising forming an aqueous slurry comprising vanadium and antimony, adding a peptizing agent free of any lithium compounds capable of providing hydroxide ions to said slurry and spray drying said slurry to form an attrition resistant catalyst.
    Type: Grant
    Filed: September 23, 1996
    Date of Patent: October 13, 1998
    Assignee: The Standard Oil Company
    Inventors: Michael J. Seely, Maria Strada Friedrich, Dev Dhanaraj Suresh, Frank John Kocjancic
  • Patent number: 5788748
    Abstract: The present invention relates to novel solid state mixed conductor membranes and their use for separating oxygen from oxygen-containing feeds at elevated temperatures. The membranes comprise a multicomponent metallic oxide of substantially cubic perovskite structure, stable in air over the temperature range of 25.degree.-950.degree. C., having no connected through porosity wherein the membrane is of a composition represented by the formula ?A.sub.1-x A'.sub.x !?Co.sub.1-y-z B.sub.y B'.sub.z !O.sub.3-.delta., where A.tbd.Ca, Sr, Ba, and mixtures thereof; A'.tbd.La, Y, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Th, U, and mixtures thereof; B.tbd.Fe, Mn, Cr, V, Ti, and mixtures thereof; B'.tbd.Cu, Ni, and mixtures thereof; .about.0.0001.ltoreq.x.ltoreq..about.0.1; .about.0.002.ltoreq.y<0.05; .about.0.0005.ltoreq.z.ltoreq..about.0.3; .delta. is determined by the valence of the metals.
    Type: Grant
    Filed: December 20, 1995
    Date of Patent: August 4, 1998
    Assignee: The Standard Oil Company
    Inventors: Terry J. Mazanec, Thomas L. Cable
  • Patent number: 5783726
    Abstract: A process of producing a fluid bed oxacylation catalyst for olefins and diolefins having the following formula Pd--M--A whereM=Au, Cd, Bi, Cu, Mn, Fe, Co, Ce, U and mixtures thereof,A=an alkali metal or mixture thereof, andM is present in the range of from 0 to 5 wt %, comprising milling a fixed bed oxacylation catalyst precursor comprising Pd--M on a fixed support with a fluid bed catalyst aqueous binder material to form a uniform aqueous slurry, drying the aqueous slurry to remove the water to form microspheroidal particles of solid fluid bed catalyst precursor, impregnating the microspheroidal particles with a solution of alkali metal salt to form the fluid bed catalyst. The catalyst is particularly useful in the manufacture of vinyl acetate from ethylene, acetic acid and oxygen.
    Type: Grant
    Filed: April 21, 1997
    Date of Patent: July 21, 1998
    Assignee: The Standard Oil Company
    Inventors: Michael F. Lemanski, Christos Paparizos, Patricia R. Blum, Larry M. Cirjak, Marc A. Pepera
  • Patent number: 5770757
    Abstract: A catalyst having the atomic ratios set forth in the empirical formula below:A.sub.a B.sub.b C.sub.c Ge.sub.d Bi.sub.e Mo.sub..sub.12 O.sub.xwhereA=two or more of alkali metals, In and TlB=one or more of Mg, Mn, Ni, Co, Ca, Fe, Ce, Sm, Cr, Sb, and W; preferably B equals the combination of Fe and at least one element selected from the group consisting of Ni and Co and at least one element selected from the group consisting of Mg, Mn, Ca, Ce, Sn, Cr, Sb, and WC=one or more of Pb, Eu, B, Sn, Te and Cua=0.05 to 5.0b=5 to 12c=0 to 5.0d=0.1 to 2.0e=0.1 to 2.0x=the number of oxygen atoms required to satisfy the valency requirements of the other elements andb>a+c.
    Type: Grant
    Filed: May 3, 1996
    Date of Patent: June 23, 1998
    Assignee: The Standard Oil Company
    Inventors: Tama Lee Drenski, Maria Strada Friedrich, Christos Paparizos, Michael J. Seely, Dev Dhanaraj Suresh
  • Patent number: 5744015
    Abstract: An electrochemical process for producing unsaturated hydrocarbon compounds from unsaturated hydrocarbon compounds and for extracting oxygen from a gas containing N.sub.2 O, NO, NO.sub.2, SO.sub.2, or SO.sub.3 is described. The process is characterized by the use of mixed metal oxide materials having a perovskite structure represented by the formula:A.sub.s A'.sub.t B.sub.u B'.sub.v B".sub.w O.sub.xwherein A represents a lanthanide or Y, or a mixture thereof; A' represents an alkaline earth metal or a mixture thereof; B represents Fe; B' represents Cr or Ti, or a mixture thereof; and B" represents Mn, Co, V, Ni, or Cu, or a mixture thereof.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: April 28, 1998
    Inventors: Terry J. Mazanec, Thomas L. Cable, John G. Frye, Jr., Wayne R. Kliewer
  • Patent number: 5723035
    Abstract: The invention relates to novel membranes, formed from perovskitic or multi-phase structures, with a chemically active coating which demonstrate exceptionally high rates of fluid flux. One application is the separation of oxygen from oxygen-containing feeds at elevated temperatures. The membranes are conductors of oxygen ions and electrons, and are substantially stable in air over the temperature range of 25.degree. C. to the operating temperature of the membrane.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 3, 1998
    Assignee: The Standard Oil Company
    Inventors: Terry J. Mazanec, Thomas L. Cable
  • Patent number: 5714535
    Abstract: A melt processable high nitrile multipolymer such as an acrylonitrile olefinically unsaturated, multipolymer, which is stabilized by admixing with maleic acid, derivatives of maleic acid, salts of maleic acid, maleic anhydride, maleamides, salts of maleamides, maleates, salts of maleates, and combinations thereof.
    Type: Grant
    Filed: May 17, 1996
    Date of Patent: February 3, 1998
    Assignee: The Standard Oil Company
    Inventors: Lawrence E. Ball, Muyen Wu, Eddie Wardlow
  • Patent number: 5714091
    Abstract: The invention relates to a process for the partial oxidation of C.sub.1 to C.sub.4 hydrocarbons, using novel membranes formed from perovskitic or multi-phase structures, with a chemically active coating which demonstrate exceptionally high rates of fluid flux. The process uses membranes that are conductors of oxygen ions and electrons, which are substantially stable in air over the temperature range of 25.degree. C. to the operating temperature of the membrane.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: February 3, 1998
    Assignee: The Standard Oil Company
    Inventors: Terry J. Mazanec, Thomas L. Cable