Patents Represented by Attorney Donald M. Papuga
  • Patent number: 5176844
    Abstract: Described herein is the use of N-halo-alkene-sulfonamides as bleaching agents to remove stains from non-white stained materials.
    Type: Grant
    Filed: July 2, 1990
    Date of Patent: January 5, 1993
    Assignee: Olin Corporation
    Inventors: Robert J. Raynor, Ralph S. Webber
  • Patent number: 5093431
    Abstract: Described herein is a process for the chlorination of amide containing oligomers and/or polymers by reacting the oligomers and/or polymers with an aqueous hypochlorous acid solution containing at least 5% by weight of hypochlorous acid and being essentially free of chlorine, chlorate, and alkali metal ions, said process being conducted in an aqueous medium.
    Type: Grant
    Filed: March 26, 1990
    Date of Patent: March 3, 1992
    Assignee: Olin Corporation
    Inventor: Robert J. Raynor
  • Patent number: 5070200
    Abstract: Described herein is a process for chlorinating a primary amine by reacting the amine with an aqueous hypochlorous acid solution containing at least 5% by weight of hypochlorous acid, the process being conducted in an organic solvent.
    Type: Grant
    Filed: April 2, 1990
    Date of Patent: December 3, 1991
    Assignee: Olin Corporation
    Inventor: Robert J. Raynor
  • Patent number: 5068408
    Abstract: A process for oxidizing an organic compound selected from an aliphatic, aromatic, aliphatic/aromatic, cycloaliphatic and heterocyclic alcohol, thiol, sulfide, aldehyde, amine, amide, ketone, acid, ether, ester, and organic compounds containing an activated carbon-carbon double bond, which process comprises contacting said organic compound dissolved in an organic solvent with a hypochlorous acid solution.
    Type: Grant
    Filed: January 31, 1990
    Date of Patent: November 26, 1991
    Assignee: Olin Corporation
    Inventors: Robert J. Raynor, Budd L. Duncan
  • Patent number: 5021315
    Abstract: The present invention provides for a method for the preparation of red colored magnetic particles for multicomponent toner compositions which are highly conductive and therefore suitable for use as developers in high speed electrophotographic copy machines embodying magnetic brush development. Suitable magnetic core metal particles are provided which are subsequently coated with finely divided particles of copper oxide (CuO). The copper oxide coating is then reduced in-situ on the surface of the core particle to provide an electrically conductive core particle uniformly coated with adherent metallic copper, which particle is of a red color.The present invention also provides a method for controlling and adjusting the electrical conductivity and color of toner materials as a function of the amount of metallic copper deposited on the surface of the magnetic core materials.
    Type: Grant
    Filed: June 7, 1989
    Date of Patent: June 4, 1991
    Assignee: Olin Hunt Sub I Corp.
    Inventor: Dov B. Goldman
  • Patent number: 4994199
    Abstract: Novel nonionic antimicrobial amine glycidol compounds which may be used in cleaning compositions with anionics, nonionics or cationic surfactants as cleaning agents or a preservative in water-based functional fluids or surface coating compositions are represented by the formula: ##STR1## wherein R is an alkyl group having from about 8 to about 18 carbon atoms, and mixtures thereof, R.sub.1 is selected from the group consisting of benzyl or an alkyl group having from 1 to about 12 carbon atoms, X is Cl, Br, or I, and n and m are from 1 to about 6.
    Type: Grant
    Filed: April 16, 1990
    Date of Patent: February 19, 1991
    Assignee: Olin Corporation
    Inventors: Michael Scardera, Frank R. Grosser
  • Patent number: 4994153
    Abstract: Described herein is a process for treating the tooling holes or slots which have been coated with a carbon black dispersion in a nonconductive material which comprises removing said carbon black with an aqueous solution containing:(a) an alkanolamine;(b) an anionic surfactant which is the neutralized addition product of maleic and/or fumaric acid and a poly(oxylated) alcohol;(c) a nonionic surfactant which is an aliphatic mono and/or diphosphate ester; and(d) an alkali or alkaline earth metal hydroxide.
    Type: Grant
    Filed: June 28, 1990
    Date of Patent: February 19, 1991
    Assignee: Olin Corporation
    Inventors: Anthony M. Piano, Randolfo Galvez
  • Patent number: 4992567
    Abstract: A continuous process for the vapor phase oxidation of an alkane or olefin in molten salt catalyst to produce alkylene oxides in increased yields while reducing or substantially eliminating the formation of aldehyde by-products. The process involves the continuous separation and recirculation of aldehydes, normally formed in the oxidation reaction, back into the vapor phase oxidation reaction for co-oxidation to form carbon-oxygen gases while increasing the olefin selectivity to alkylene oxide.
    Type: Grant
    Filed: June 7, 1989
    Date of Patent: February 12, 1991
    Assignee: Olin Corporation
    Inventors: James L. Meyer, Pennington, B. Timothy
  • Patent number: 4964959
    Abstract: Described herein is an improved process for electroplating a conductive metal layer to the surface of a nonconductive material comprising the following steps:(a) preparing a liquid dispersion of carbon black comprised of:(1) carbon black particles having an average particle diameter of less than about 3.
    Type: Grant
    Filed: April 12, 1990
    Date of Patent: October 23, 1990
    Assignee: Olin Hunt Specialty Products Inc.
    Inventors: Barry F. Nelsen, Jieh-Hwa Shyu
  • Patent number: 4937287
    Abstract: Novel thermoplastic elastomeric graft copolymers, formed via a cycloaddition reaction of an elastomer containing carbon-carbon double bonds with an aromatic polyether, end-capped with a 1,2-dihydroarylcyclobutenyl moiety, are described. The materials exhibit improved UV and thermal oxidative stability, attractive mechanical properties, and superior heat resistance. They are uniquely suited for impact modification of various thermoplastics such as polyesters, polyether imides, and the like.
    Type: Grant
    Filed: February 17, 1988
    Date of Patent: June 26, 1990
    Assignee: Amoco Corporation
    Inventor: Barry D. Dean
  • Patent number: 4906784
    Abstract: The invention relates to tough, crystalline polyetherketones, processes for making them and monomers used in their manufacture. The polyetherketones are derived from monomers which provide the repeating polymer unit-(-O-Ph-CO-Ph-CO-Ph-).gtoreq.2- in the polymer chain.The polyetherketones are the etherification reaction product ofX-Ph-CO-Ph-[ -CO-Ph-].sub.1 -[-Ph-CO-Ph-(-CO-Ph-).sub.o -].sub.m -Xwherein X is a halogen such as fluorine and chlorine, l, m and o are individually 0 or 1, with a bisphenol of the formulaHO-Ph-(-Y-Ph-).sub.p -OH,wherein p is 0, 1 or 2, -Y- is -CO- or -O- in either occurence, and an aromatic hydroxy halide of the formulaHO-Ph-CO-Ph-CO-Ph-X,wherein X is as described above, and wherein -Ph- is 1,4-phenylene, said polyetherketone having an ether to ketone molar ration of less than 2/1 and greater than 1/2, and an inherent viscosity of at least 0.6.
    Type: Grant
    Filed: September 19, 1988
    Date of Patent: March 6, 1990
    Assignee: Amoco Corporation
    Inventor: George A. Skoler
  • Patent number: 4891167
    Abstract: Described herein are crystalline block polymers and chain extended polymers containing blocks of crystalline poly(aryl ether ketones). Also, described herein are monomers and oligomers suitable for preparing the crystalline block polymers and chain-extended polymers. Further, described herein are methods for producing the crystalline block and chain-extended polymers, as well as the monomers and oligomers.
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: January 2, 1990
    Assignee: Amoco Corporation
    Inventors: Robert A. Clendinning, James E. Harris, Donald R. Kelsey, Markus Matzner, Lloyd M. Robeson, Paul A. Winslow, Louis M. Maresca
  • Patent number: 4877682
    Abstract: A continuous plastic laminate having improved stiffness at use temperature, comprising at least three melt coextruded sheets, each comprising a thermoplastic polymer or polymer blend, the outside sheets having a higher stiffness at use temperature than at least one inside sheet.
    Type: Grant
    Filed: February 24, 1988
    Date of Patent: October 31, 1989
    Assignee: Amoco Corporation
    Inventors: Marvin E. Sauers, Tyler F. Hartsing, Jr., Lee P. McMaster
  • Patent number: 4861837
    Abstract: Described herein is a shaped article formed from a blend of a poly(aryl ether) resin and an aromatic polycarbonate resin and/or a polycarbonate resin. An article molded from such a blend has improved hydrolytic stability as compared with an article molded from the constitutent components of the blend.
    Type: Grant
    Filed: April 18, 1988
    Date of Patent: August 29, 1989
    Assignee: Amoco Corporation
    Inventors: Barry L. Dickinson, Lloyd M. Robeson
  • Patent number: 4857625
    Abstract: Described herein are amorphous thermoplastic terpolymers containing units of the formula: ##STR1## wherein R is independently hydrogen, C.sub.1 to C.sub.6 alkyl, or C.sub.4 to C.sub.8 cycloalkyl, X' is independently ##STR2## wherein R.sub.1 and R.sub.2 are independently hydrogen or C.sub.1 to C.sub.9 alkyl; ##STR3## wherein R.sub.3 and R.sub.4 are independently hydrogen or C.sub.1 to C.sub.8 alkyl and a.sub.1 is an integer of 2 to 7; --S--, --O--, or ##STR4## a is an integer of 0 to 4 and n is independently an integer of 1 to 3. The units are attached to each other by an --0-- bond. These polymers have an excellent combination of mechanical properties. They display high notched izod impact values, high heat distortion temperatures and excellent environmental stress crack resistance.
    Type: Grant
    Filed: April 2, 1987
    Date of Patent: August 15, 1989
    Assignee: Amoco Corporation
    Inventors: Robert A. Clendinning, Louis M. Maresca, Markus Matzner, Thomas H. Schwab
  • Patent number: 4855388
    Abstract: Described herein is a method for preventing molecular weight degradation in the preparation of poly(aryl ether sulfones) by nucleophilic displacement polycondensation reactions. This method comprises the addition of an effective amount of a sodium, lithium, alkaline earth or lanthanide metal salt to the polycondensation reaction to control the molecular weight of the poly(aryl ether sulfone).
    Type: Grant
    Filed: December 29, 1987
    Date of Patent: August 8, 1989
    Assignee: Amoco Corporation
    Inventor: Donald R. Kelsey
  • Patent number: 4849503
    Abstract: Described herein are novel poly(aryl ethers) based on 2,5-di-t-butylhydroquinone. These poly(aryl ethers) have excellent high temperature, oxidative and chemical resistance, as well as good melt-fabricability.
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: July 18, 1989
    Assignee: Amoco Corporation
    Inventors: Robert J. Cotter, Stephen B. Rimsa, Robert Barclay, Jr., George T. Kwiatkowski, James E. Harris
  • Patent number: 4841009
    Abstract: Described herein are novel substantially linear monomeric compositions which can be polymerized with one or more difunctional monomers to give novel polymeric compositions having liquid crystal properties. This invention is also directed to a process for preparation of the novel substantially linear monomeric compositions.
    Type: Grant
    Filed: July 5, 1985
    Date of Patent: June 20, 1989
    Assignee: Amoco Corporation
    Inventor: Donald R. Kelsey
  • Patent number: 4820790
    Abstract: Described herein are novel crystalline chain-extended polymers containing segments of crystalline poly(aryl ether ketones). These poly(aryl ether ketones) are easy to prepare and display excellent toughness, fabricability, and very good high temperature and solvent resistance.
    Type: Grant
    Filed: March 13, 1987
    Date of Patent: April 11, 1989
    Assignee: Amoco Corporation
    Inventors: Paul A. Winslow, Markus Matzner
  • Patent number: 4804724
    Abstract: Described are blends of a biphenyl containing poly(acryl ether sulfone) and a poly(acryl ether ketone). These blends exhibit improved mechanical properties and environmental stress rupture resistance.
    Type: Grant
    Filed: December 15, 1987
    Date of Patent: February 14, 1989
    Assignee: Amoco Corporation
    Inventors: James E. Harris, Lloyd M. Robeson