Patents Represented by Attorney Ronald A. Bleeker
  • Patent number: 5891552
    Abstract: A process for thermal transfer printing on plastic films incorporating a coating composition is provided. The process includes providing plastic film having a coating composition including a binder of a polymer and/or copoylmer of carboxylic acid containing vinylic unsaturation, at least one finely divided particulate filler, and a surface active agent. A thermographic element such as a ribbon which includes a dye layer is then heated in the form of an image to be printed onto the plastic film, with the heating causing the dye layer to melt in the form of the image. The plastic film coated with the coating composition is contacted with the thermographic ribbon, and the dye layer is transferred from the ribbon to the plastic film. Such thermal transfer printing on coated plastic films provides for a multitude of uses such as plastic labels for outdoor use.
    Type: Grant
    Filed: September 11, 1996
    Date of Patent: April 6, 1999
    Assignee: Mobil Oil Corporation
    Inventors: Pang-Chia Lu, Gordon Leonard Musclow
  • Patent number: 5888648
    Abstract: The present invention is a multi-layer film which has an improved composite structure for providing hermetic seals to packages manufactured in high speed packaging apparatus. The structure of the multi-layer film of the present invention includes a main substrate and a sealant layer. The sealant layer, in turn, includes two components, an intermediate layer which has the primary function of compliance during sealing, and a sealing layer which has the primary function of providing adhesivity to the completed seal. As a result of this invention, high strength hermetic seals can be provided to multi-layer films effectively and efficiently, and hermetic seals are provided with the ability to be peeled open without destruction of several layers of the film.
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: March 30, 1999
    Assignee: Mobil Oil Corporation
    Inventors: Kevin M. Donovan, Dan-Cheng Kong, Leland Liu, Donald F. Sexton, Tien-Kuei Su
  • Patent number: 5625113
    Abstract: A process is disclosed for alkylating an isoparaffin with an olefin comprising the steps of:(a) reacting an isoparaffin having from 4 to 8 carbon atoms with an olefin having from 2 to 12 carbon atoms in a first alkylation reaction stage at temperature from about -40.degree. C. to about 500.degree. C. and overall isoparaffin:olefin feed weight ratio of from about 1:1 to about 250:1 with a solid alkylation catalyst comprising a synthetic porous crystalline material characterized by an X-ray diffraction pattern including values substantially as set forth in Table I of the specification and having a composition comprising the molar relationshipX.sub.2 O.sub.3 :(n)YO.sub.
    Type: Grant
    Filed: December 28, 1994
    Date of Patent: April 29, 1997
    Assignee: Mobil Oil Corporation
    Inventors: Mohsen N. Harandi, James H. Beech, Jr., Albin Huss, Jr., Robert A. Ware, Altaf Husain
  • Patent number: 5609654
    Abstract: A process for production of alkyl tertiary alkyl ethers in C.sub.4 + hydrocarbon streams rich in isoolefins, typically containing catalyst deactivating amounts of dienes and/or compounds containing heteroatoms. The process is especially advantageous in extending the cycle length for the zeolite catalyzed etherification of isoolefins in C.sub.4 + FCC gasoline by reducing catalyst aging. It has been discovered that if hydrogen is cofed with the alkanol and C.sub.4 + isoolefin rich feedstreams to an etherification reaction catalyzed by acidic zeolite wherein the zeolite has been impregnated with a noble metal the rate of catalyst aging or deactivation is substantially lowered. The process is especially effective, i.e., catalyst aging is particularly reduced, when hydrogen is cofed to an etherification reaction using acidic zeolite Beta catalyst containing palladium.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: March 11, 1997
    Assignee: Mobil Oil Corporation
    Inventors: Quang N. Le, Robert T. Thomson
  • Patent number: 5608019
    Abstract: In gas phase polymerizations and copolymerizations of ethylene, temperature controls the molecular weight, expressed as MI (wherein MI is measured according to ASTM D-1238 Condition E), of the resin product. Increase in polymerization temperature produces decrease in MI; whereas, decrease in polymerization temperature produces increase in MI.
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: March 4, 1997
    Assignee: Mobil Oil Corporation
    Inventors: Subrahmanyam Cheruvu, Frederick Y. Lo
  • Patent number: 5599441
    Abstract: Sulfur species present in cracked naphthas are converted and removed by first passing the naphtha over an acid catalyst to alkylate the thiophenic compounds in the naphtha using the olefins, i.e., monoolefins and diolefins, present in the naphtha as alkylating agent. Alkylated thiophenes are concentrated in the heavy portion of the naphtha by distillation, reducing the amount of naphtha that needs to be hydrodesulfurized. Olefins in cracked naphthas are concentrated in the light portion of the naphtha which is not subsequently hydrotreated. Thus, octane and hydrogen consumption penalties associated with hydrotreating are minimized.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: February 4, 1997
    Assignee: Mobil Oil Corporation
    Inventors: Nick A. Collins, Jeffrey C. Trewella
  • Patent number: 5600048
    Abstract: There is provided a process for preparing ethylbenzene using liquid phase alkylation and vapor phase transalkylation. The liquid phase alkylation reaction may be catalyzed by an acidic solid oxide, such as MCM-22, MCM-49 and MCM-56. The vapor phase transalkylation may be catalyzed by a medium-pore size zeolite such as ZSM-5. The process may be run continuously with the continuous introduction of fresh benzene feed containing at least 500 ppm of nonbenzene hydrocarbon impurities. The combined ethylbenzene product of these alkylation and transalkylation reactions has very low levels of impurities including xylene, hydrocarbons having 7 or less carbon atoms and hydrocarbons having 9 or more carbon atoms.
    Type: Grant
    Filed: December 27, 1994
    Date of Patent: February 4, 1997
    Assignee: Mobil Oil Corporation
    Inventors: Jane C. Cheng, C. Morris Smith, Chaya R. Venkat, Dennis E. Walsh
  • Patent number: 5591520
    Abstract: An oriented film combination of (a) a base layer of polypropylene at least one surface of which comprises a maleic acid anhydride modified polypropylene; and (b) on at least one surface, a skin layer of an amorphous polyamide or a blend of an amorphous polyamide and a semicrystalline polyamide.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: January 7, 1997
    Assignee: Mobil Oil Corporation
    Inventors: Robert A. Migliorini, Eldridge M. Mount, III
  • Patent number: 5589551
    Abstract: Blends of HDPE, peroxides and antioxidants exhibit reduced die swell which in bottle blow molding decreases bottle weight.
    Type: Grant
    Filed: February 22, 1995
    Date of Patent: December 31, 1996
    Assignee: Mobil Oil Corporation
    Inventors: John P. Bladt, Pradeep P. Shirodkar
  • Patent number: 5585441
    Abstract: A thermoplastic composition comprising a crystalline propylene polymer and as a modifying elastomer, a hydrogenated butadiene polymer which is either an essentially linear hydrogenated butadiene homopolymer or a star-branched polymer, the arms of which are an essentially linear hydrogenated butadiene homopolymer, such hydrogenated butadiene polymer containing from about 20 to about 90% of polymerized butadiene units with the 1,2-microstructure and having a polydispersity index (P.I.) of about 1.01 to 1.50. The compositions have a superior combination of processing and mechanical properties such as flexural strength, impact resistance, and melt flow.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: December 17, 1996
    Assignee: Mobil Oil Corporation
    Inventors: Ellen B. Brandes, Margaret D. Monahan, Steven L. Schafer
  • Patent number: 5583284
    Abstract: The invention relates to continuous grease making processes. The invention further relates a method for monitoring the consistency of the final product stream of a continuous grease making process. The finished product is passed through a venturi where a pressure drop occurs as the grease moves therethrough. The observed pressure drop is then corrected to ideal conditions based on temperature, flow rate and venturi size. The resulting adjusted pressure drop can then be correlated via an emperically derived realtionship to the consistency of the grease.
    Type: Grant
    Filed: September 13, 1994
    Date of Patent: December 10, 1996
    Assignee: Mobil Oil Corporation
    Inventors: David N. Martin, James F. Van Auken
  • Patent number: 5583277
    Abstract: A process for the removal of large molecules from waste or process streams using an M41S material as an adsorbent. The process is useful for the removal of trace amounts of polynuclear aromatics from complex hydrocarbon mixtures in the vapor phase, such as reformate.
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: December 10, 1996
    Assignee: Mobil Oil Corporation
    Inventor: Guenter H. Kuehl
  • Patent number: 5583049
    Abstract: A method and system for controlling an HF alkylation system comprising a reactor, a settler, an HF acid regenerator and a source of fresh HF acid wherein a stream of olefins and a stream of isobutanes are contacted in the reactor in the presence an HF acid catalyst. At least the reactor feed is sampled, and the sample is passed to an analyzer using an attenuated total reflectance cell. Signals are generated which are representative of infrared spectra of the samples in a range providing information on the amount of at least one of HF, water, ASO and sulfolane. These signals are simultaneously determined and generated because all absorb in the same spectral region. This aspect provides for viewing these distortions of the main HF absorption band to quantify these three components. The infrared spectra signals are compared with stored signals to generate control signals; and at least one of HF, water and sulfolane fed to the reactor feed is adjusted in response to the control signal.
    Type: Grant
    Filed: April 17, 1995
    Date of Patent: December 10, 1996
    Assignee: Mobil Oil Corporation
    Inventors: Lawrence J. Altman, Rafi Jalkian
  • Patent number: 5579248
    Abstract: A method for eliminating sinusoidal noise without affecting the response of the formation means that the actual formation responses of the logging tools are recovered, and the logs can be used quantitatively. Removal of sinusoidal noise from a log is accomplished in three steps. First, the log is reduced to a zero-mean, stationary series. Second, the wavenumber of the sinusoidal noise is identified by its peak in the Fourier amplitude spectrum. And third, the noise is removed by applying a zero-phase notch filter. In order to preserve the quantitative data integrity, the low wavenumber trend is kept. Preserving the quantitative data integrity is accomplished by approximating the log with a least-squares cubic spline which retains the overall log character, ignoring the sinusoidal noise. A zero mean stationary series is formed by subtracting the least-squares cubic spline from the data. The remaining steps, Fourier analysis and filtering are performed on the difference series.
    Type: Grant
    Filed: January 9, 1995
    Date of Patent: November 26, 1996
    Assignee: Mobil Oil Corporation
    Inventors: John A. Nieto, Denis P. Schmitt, Robert G. Keys, Keh Pann
  • Patent number: 5578556
    Abstract: Triaole-dialkyl maleate derivatives have been found to be effective metal passivators and antiwear additives for lubricants and fuels.
    Type: Grant
    Filed: November 30, 1995
    Date of Patent: November 26, 1996
    Assignee: Mobil Oil Corporation
    Inventors: Liehpao O. Farng, Andrew G. Horodysky, Ronald J. Poole
  • Patent number: 5578743
    Abstract: Novel homopolymer and copolymer compositions produced from the polymerization of non-conjugated dienes have been discovered. The novel compositions are produced by an equally novel process comprising cyclopolymerization of non-conjugated dienes employing reduced valence state Group VIB metal oxide catalyst on porous support. The preferred catalyst comprises carbon monoxide reduced chromium on silica. Copolymers are formed by copolymerization of non-conjugated dienes with 1-alkenes in contact with the activated chromium on silica catalyst. The compositions are useful as lubricants and additives.
    Type: Grant
    Filed: April 4, 1995
    Date of Patent: November 26, 1996
    Assignee: Mobil Oil Corporation
    Inventors: Suzzy C. Ho, Margaret M. Wu, Yusheng Xiong
  • Patent number: 5573657
    Abstract: A hydrogenation process for reducing the unsaturation of lubricants uses a catalyst which is based on an ultra-large pore crystalline material. The crystalline material has pores of at least 13 .ANG. diameter arranged in a uniform manner and exhibits unusually large sorption capacity demonstrated by its benzene adsorption capacity of greater than about 15 grams benzene/100 grams (50 torr and 25.degree. C.). A preferred form of the catalyst has a hexagonal structure which exhibits a hexagonal electron diffraction pattern that can be indexed with a d.sub.100 value greater than about 18 .ANG.. The hydrogenation catalysts based on these materials are capable of reducing the unsaturation in poly alpha olefin lubricants to a low level.
    Type: Grant
    Filed: September 20, 1994
    Date of Patent: November 12, 1996
    Assignee: Mobil Oil Corporation
    Inventors: Thomas F. Degnan, Richard C. Dougherty, George H. Hatzikos, Stuart S. Shih, Tsoung Y. Yan
  • Patent number: 5573645
    Abstract: A distillation process and apparatus for recovering high purity aromatic products from a mixed aromatic hydrocarbon feedstock containing benzene, toluene and xylene by use of distillation towers integrated by heat exchange whereby substantial savings in operating costs and apparatus costs are realized. The distillation apparatus includes a benzene distillation tower and heat exchanger, a first toluene distillation tower and external heater, a second toluene distillation tower and heat exchanger and a xylene distillation tower and external heater, whereby the benzene distillation tower and heat exchanger are operably connected to the first toluene distillation tower and external heater and the second toluene distillation tower and heat exchanger are operably connected to the xylene distillation tower and external heater.
    Type: Grant
    Filed: June 29, 1995
    Date of Patent: November 12, 1996
    Assignee: Mobil Oil Corporation
    Inventor: John L. Pickering, Jr.
  • Patent number: 5574199
    Abstract: A process for shape selective hydrocarbon aromatization that involves contacting a hydrocarbon feedstream, under aromatization conditions, with a catalytic molecular sieve which has been modified by being ex situ selectivated with a silicon compound. The ex situ selectivation involves exposing the catalytic molecular sieve to at least two selectivation sequences, each sequence comprising contacting the catalytic molecular sieve with a silicon compound followed by calcination. Optionally, the modified catalytic molecular sieve may be further selectivated in situ.
    Type: Grant
    Filed: January 13, 1995
    Date of Patent: November 12, 1996
    Assignee: Mobil Oil Corporation
    Inventors: Jeffrey S. Beck, Ralph M. Dessau
  • Patent number: 5573746
    Abstract: Methods for using amino acid as a directing agent in zeolite synthesis are disclosed comprising the steps of:(a) forming a reaction mixture containing water, an alumina source, a silica source, an alkali metal oxide source, and an amino acid as an exterior directing agent; and(b) recovering a porous inorganic solid from said reaction mixture of step (a).
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: November 12, 1996
    Assignee: Mobil Oil Corporation
    Inventor: Catherine S. H. Chen