Patents by Inventor James Economy

James Economy 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: 6517906
    Abstract: A composite contains substrate fibers, and an activated organic coating, on the substrate fibers. The activated organic coating is formed at a low temperature, making possible the use of substrate fibers have a softening or decomposition temperature of at most 500° C.
    Type: Grant
    Filed: June 21, 2000
    Date of Patent: February 11, 2003
    Assignee: Board of Trustees of University of Illinois
    Inventors: James Economy, Christian Mangun, Zhongren Yue
  • Patent number: 6508962
    Abstract: A composite, contains substrate fibers, and carbon ion exchanger, on the substrate fibers. The fiber provides a support to the carbon ion exchanger, resulting in excellent mechanical properties, compared to carbon fiber ion exchangers.
    Type: Grant
    Filed: June 21, 2000
    Date of Patent: January 21, 2003
    Assignee: Board of Trustees of University of Illinois
    Inventors: James Economy, Kelly Benak, Lourdes Dominguez
  • Patent number: 5834114
    Abstract: Fiber material for adsorbing contaminants is prepared according to the steps of preparing coating a glass or mineral fiber substrate with a resin, cross-linking the resin, heating the coated fiber substrate and resin to carbonize the resin, and exposing the coated fiber substrate to an etchant to activate the coated fiber substrate.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: November 10, 1998
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: James Economy, Michael Daley
  • Patent number: 5707782
    Abstract: Photosensitive, dielectric insulating, crosslinkable copolyester films used as dielectric and as photoresist films for microelectronics circuits which are also suitable for use in producing MCM-L packages. In various embodiments of the invention there is provided photosensitive, dielectric insulating, crosslinkable copolyester film forming mixtures for coating onto microelectronics substrate surfaces, a photosensitive oligomer for producing the crosslinkable copolyesters and MCM-L products produced using the crosslinked copolyesters.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: January 13, 1998
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: James Economy, Lizabeth A. Schneggenburger, Fang Shi
  • Patent number: 5439541
    Abstract: This invention provides crosslinked copolyester adhesives, rigid foams, protective coating, matrices for composites and dielectric for electrical circuits, and methods for making crosslinked copolyester adhesives, rigid foams, protective coatings, matrices for composites and dielectrics for electrical circuits. Two or more adherends may be bonded together using a crosslinked copolyester adhesive by first combining at least one oligomer having carboxylic acid end groups with at least one oligomer having ester end groups, where at least one of the oligomers is branched, to form a mixture. Then, the mixture is applied to the adherends to be bonded and the mixture on the adherends is cured. Next, the adherends are positioned such that the cured mixtures contact and the contacted mixtures heated to form a bond between the cured mixtures.
    Type: Grant
    Filed: February 8, 1994
    Date of Patent: August 8, 1995
    Assignee: The Board of Trustees of the University of Illinois
    Inventor: James Economy
  • Patent number: 5399377
    Abstract: Borazine oligomers in liquid form are produced and used to create composites of fibers bonded to boron nitride as a matrix and also to coat or increase the density of various fiber composites.
    Type: Grant
    Filed: December 31, 1992
    Date of Patent: March 21, 1995
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: James Economy, Dong-pyo Kim
  • Patent number: 5051313
    Abstract: Hot roll fusers are made with a matrix resin which is an elastomer having a glass transition between 90.degree. C. and 160.degree. C. and a structure represented by the formula X--Ar--Y--Ar--X wherein Ar is an aromatic ring structure, Y is O, S, C.dbd.O, SO.sub.2, C(CH.sub.3).sub.2, C(CF.sub.3).sub.2, CH.sub.2 or (CF.sub.2).sub.n and X is --O--C.tbd.N, --C.tbd.
    Type: Grant
    Filed: July 31, 1990
    Date of Patent: September 24, 1991
    Assignee: Lexmark International, Inc.
    Inventors: James Economy, James L. Hedrick, Jr., Jeffrey W. Labadie
  • Patent number: 4818812
    Abstract: Integrated circuit module wherein the cap is sealed to the substrate with a liquid crystalline polyester melt containing about 25 to about 100 mole percent of recurring Units I and O to about 75 mole percent of recurring Units II wherein ##STR1## wherein each R and R.sub.2 is arylene or cycloalkylene or alkylene or alkylidene.
    Type: Grant
    Filed: August 22, 1983
    Date of Patent: April 4, 1989
    Assignee: International Business Machines Corporation
    Inventors: James Economy, John R. Susko, Willi Volksen, Robin A. Wheater
  • Patent number: 4775608
    Abstract: A process for generating a capacitive servo pattern on a magnetic storage disk, comprising the steps of: (1) coating the disk with a solution of noble metal compound to form a film of the compound on the disk, (2) exposing said film to radiation through a mask to generate an image on the film, and (3) plating the disk on the areas exposed to radiation.
    Type: Grant
    Filed: October 5, 1987
    Date of Patent: October 4, 1988
    Assignee: International Business Machines Corporation
    Inventors: Thomas H. Baum, Phillip J. Brock, James Economy, Robert L. Jackson, Carl E. Larson, James R. Lyerla, Jr., Christopher R. Moylan
  • Patent number: 4690962
    Abstract: An electronic circuit having an electrically conductive pattern formed on a substrate and having on at least one surface of the substrate a film obtained from a soluble polymerizable oligomer of the formula: ##STR1## wherein D is ##STR2## wherein M is --C.tbd.C--, --C.tbd.C--C.tbd.C, --O--, ##STR3## wherein R is an alkyl or aromatic group; wherein Ar is an aromatic group; wherein x is an integer greater than two but less than 30, z is either zero or an integer, and y is an integer wtih the sum of y and z equal to x; and wherein n is an integer from 1 to 10. The substrate is coated by applying the above composition to the substrate and then hardening the composition by further polymerization. Preferred compositions contain the above described oligomer and certain plasticizers and/or toughening agents.
    Type: Grant
    Filed: April 7, 1986
    Date of Patent: September 1, 1987
    Assignee: International Business Machines Corporation
    Inventors: Roger J. Clark, James Economy, Mary A. Flandera, John R. Susko, Robin A. Wheater
  • Patent number: 4614629
    Abstract: A process for making a polymer with ultra-high mechanical properties by subjecting to compression and rotation in a contained geometry at a viscosity in the range of from 50 to 10.sup.4 poise an aromatic liquid crystalline copolyester.
    Type: Grant
    Filed: January 27, 1984
    Date of Patent: September 30, 1986
    Assignee: International Business Machines Corporation
    Inventors: James Economy, Anagnostis E. Zachariades
  • Patent number: 4592944
    Abstract: An electronic circuit having an electrically conductive pattern formed on a substrate and having on at least one surface of the substrate a film obtained from a soluble polymerizable oligomer of the formula: ##STR1## wherein M is --C.tbd.C--, --C.tbd.C--C.tbd.C, --O--, ##STR2## wherein R is an alkyl or aromatic group; wherein Ar is an aromatic group; wherein X is an integer greater than two but less than 30, z is either zero or an integer, and y is an integer with the sum of y and z equal to x; and wherein n is an integer from 1 to 10. The substrate is coated by applying the above composition to the substrate and then hardening the composition by further polymerization. Preferred compositions contain the above described oligomer and certain plasticizers and/or toughening agents.
    Type: Grant
    Filed: July 12, 1984
    Date of Patent: June 3, 1986
    Assignee: International Business Machines Corporation
    Inventors: Roger J. Clark, James Economy, Mary A. Flandera, John R. Susko, Wheater, Robin A.
  • Patent number: 4520647
    Abstract: A method for modifying the surface properties of a material which applies a deformational force which exceeds the elastic limit of the material at the surface so that a plastic deformation of the surface occurs without modifying the bulk properties of the material.
    Type: Grant
    Filed: August 31, 1983
    Date of Patent: June 4, 1985
    Assignee: International Business Machines Corporation
    Inventors: James Economy, Anagnostis E. Zachariades
  • Patent number: 4515828
    Abstract: A process for producing an extremely smooth or planarized layer of material employs a polymeric material which, when melted has a viscosity enabling it to flow into all crevices and voids on the treated surface. Subsequent heating cures the polymer to form a planarized layer.
    Type: Grant
    Filed: January 2, 1981
    Date of Patent: May 7, 1985
    Assignee: International Business Machines Corporation
    Inventors: James Economy, Mary A. Flandera
  • Patent number: 4499122
    Abstract: A method for improving the durability, surface finish, and magnetic properties of a magnetic recording disk, the recording disk having a magnetic coating material with load bearing particles therein, by applying thereto a deformational force which exceeds the elastic limit of the coating material.
    Type: Grant
    Filed: August 31, 1983
    Date of Patent: February 12, 1985
    Assignee: International Business Machines Corporation
    Inventors: James Economy, Anagnostis E. Zachariades
  • Patent number: 4467000
    Abstract: A process for coating a substrate to provide good planarization and good mechanical and thermal stability, the process comprising applying to the substrate an amino-terminated oligomer and an ester, with the oligomer being formed from an aromatic diamine and from an aromatic dianhydride, and the ester being formed from an aromatic tetracarboxylic acid and an alcohol, and by reacting said oligomer and said ester in situ, with the process being characterized in that the ester reacts with an amine group of the oligomer to form a high molecular weight polyamide at a temperature between 40.degree. C. and 140.degree. C., and continues to react to form a cyclic imide.
    Type: Grant
    Filed: March 29, 1983
    Date of Patent: August 21, 1984
    Assignee: International Business Machines Corporation
    Inventors: James Economy, Willi Volksen, Do Y. Yoon
  • Patent number: 4379826
    Abstract: The sensitivity of a positive working electron beam resist is increased by using as the resist material a resin which is a condensation product of formaldehyde with a phenol or a cresol having a chloro substituent ortho to the hydroxyl group on its aromatic ring.
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: April 12, 1983
    Assignee: International Business Machines Corporation
    Inventors: James Economy, Roy J. Gritter, Hiroyuki Hiraoka
  • Patent number: 4359520
    Abstract: The present invention is concerned with enhancement of resist development. In particular it is concerned with obtaining high solubility rate ratio between the exposed and the unexposed regions of a resist and also obtaining shorter development time. These objectives are achieved by treating the resist with a liquid trialkylamine having from two to eight carbon atoms in each alkyl group.
    Type: Grant
    Filed: May 7, 1979
    Date of Patent: November 16, 1982
    Assignee: International Business Machines Corporation
    Inventors: James A. Carothers, James Economy, Augustus C. Ouano
  • Patent number: 4289573
    Abstract: The resistance of a resist of plasma etching is enhanced by first cross-linking the resist and then contacting it with an aqueous solution of NaOH or KOH. The process is useful to form microcircuits having increased density of geometry.
    Type: Grant
    Filed: March 3, 1980
    Date of Patent: September 15, 1981
    Assignee: International Business Machines Corporation
    Inventors: James Economy, James R. Lyerla, Lester A. Pederson
  • Patent number: 4273906
    Abstract: Soluble, polymerizable oligomers having a number average molecular weight of from about 200 to about 10,000, are obtained by treating triethynylbenzene with an oxygen-carrying, amine-basic cupric salt complex catalyst in the presence of a molar excess over the monomer of an aromatic monacetylenic capping agent. The oligomers are used to form polymers which are adhesives and coatings.
    Type: Grant
    Filed: March 20, 1980
    Date of Patent: June 16, 1981
    Assignee: International Business Machines Corporation
    Inventors: James Economy, Mary Ann Flandera