Patents by Inventor Joseph M. Machado

Joseph M. Machado 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).

  • Miscible polyketone polymer blend
    Patent number: 5369180
    Abstract: Improved compositions comprise miscible polymer blends of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with a styrene/acrylonitrile copolymer rich in acrylonitrile.
    Type: Grant
    Filed: August 22, 1991
    Date of Patent: November 29, 1994
    Assignee: Shell Oil Company
    Inventors: Joseph M. Machado, Raymond N. French
  • Reinforced polyketone polymers
    Patent number: 5274040
    Abstract: Reinforced polymer blends with improved mechanical properties are produced from a blend of a polyketone polymer and an uncured phenolic-based novolac resin, reinforced with glass fibers.
    Type: Grant
    Filed: October 16, 1992
    Date of Patent: December 28, 1993
    Assignee: Shell Oil Company
    Inventor: Joseph M. Machado
  • Miscible polyketone polymer blend
    Patent number: 5258462
    Abstract: A miscible polymer blend composition may be formed by combining a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with a styrene/vinyl phenol copolymer containing at least about 20 mole percent vinyl phenol units.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: November 2, 1993
    Assignee: Shell Oil Company
    Inventors: Joseph M. Machado, Raymond N. French
  • Polyketone compositions
    Patent number: 5227420
    Abstract: Polymer compositions comprising linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon filled with mica are prepared without the use of a coupling agent.
    Type: Grant
    Filed: August 27, 1991
    Date of Patent: July 13, 1993
    Assignee: Shell Oil Company
    Inventors: John R. Kastelic, Eric R. George, Joseph M. Machado
  • Miscible polyketone phenolic novolac blends
    Patent number: 5219954
    Abstract: A miscible polymer blend comprising polyketone and phenolic-based novolac polymers is provided. These blends have as a primary advantage a Tg which can be manipulated so as to produce desirable properties. A process for producing these blends and articles of manufacture produced therefrom are also disclosed.
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: June 15, 1993
    Assignee: Shell Oil Company
    Inventor: Joseph M. Machado
  • Polyketone polymer blends
    Patent number: 5210137
    Abstract: Improved compositions comprise polymer blends of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with polyvinyl phenol and polyacetal.
    Type: Grant
    Filed: November 19, 1990
    Date of Patent: May 11, 1993
    Assignee: Shell Oil Company
    Inventor: Joseph M. Machado
  • Polyacetal polymer blends
    Patent number: 5200460
    Abstract: A composition having and exhibiting improved mechanical properties comprising of a polyacetal polymer, glass fibers, and polyvinyl phenol polymer is disclosed.
    Type: Grant
    Filed: April 30, 1991
    Date of Patent: April 6, 1993
    Assignee: Shell Oil Company
    Inventors: Joseph M. Machado, Randall P. Gingrich
  • Polymer blends
    Patent number: 5175210
    Abstract: Improved polymer blends comprise (a) a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon, (b) a polymeric polyamide, (c) a maleated, partially hydrogenated elastomeric block copolymer, and optionally (d) an acidic polymer of an .alpha.-olefin and an .alpha.,.beta.-ethylenically unsaturated carboxylic acid wherein, optionally, a portion of the carboxylic acid groups have been neutralized with non-alkali metal. The blends demonstrate a good balance of strength and toughness.
    Type: Grant
    Filed: June 14, 1991
    Date of Patent: December 29, 1992
    Assignee: Shell Oil Company
    Inventor: Joseph M. Machado
  • Polyketone-phenolic novolac blends
    Patent number: 5166266
    Abstract: A miscible polymer blend comprising polyketone and phenolic-based novolac polymers is provided. These blends have and exhibit improved water vapor transport properties. A process for producing these blends and articles of manufacture produced therefrom are also disclosed.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: November 24, 1992
    Assignee: Shell Oil Company
    Inventors: Joseph M. Machado, Paul A. Westbrook
  • Filled polyketone blend containing a mineral wool fiber
    Patent number: 5166253
    Abstract: Filled polymer compositions comprising a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and lesser amounts, on a volume basis, of a mineral wool fiber.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: November 24, 1992
    Assignee: Shell Oil Company
    Inventor: Joseph M. Machado
  • Polyketone polymer blends
    Patent number: 5162432
    Abstract: Improved compositions comprise polymer blends of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with a high rubber graft copolymer, and, optionally, an acidic polymer containing moieties of an .alpha.-olefin and an .alpha.,.beta.-ethylenically unsaturated carboxylic acid. The blends demonstrate improved toughness and impact strength at both ambient and low temperatures.
    Type: Grant
    Filed: April 12, 1990
    Date of Patent: November 10, 1992
    Assignee: Shell Oil Company
    Inventor: Joseph M. Machado
  • Polyketone polymer blends
    Patent number: 5132360
    Abstract: Improved compositions comprise polymer blends of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with an acrylic shell-core modifier, and, optionally, an acidic polymer containing moieties of an .alpha.-olefin and an .alpha.,.beta.-ethylenically unsaturated carboxylic acid. The blends demonstrate improved toughness at both ambient and low temperatures.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: July 21, 1992
    Assignee: Shell Oil Company
    Inventors: Joseph M. Machado, William P. Gergen
  • Polyketone polymer blend
    Patent number: 5102942
    Abstract: Non-miscible ternary blends of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with lesser amounts of mineral fillers and polyether esteramide polymers.
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: April 7, 1992
    Assignee: Shell Oil Company
    Inventors: Joseph M. Machado, Eric R. George
  • Molecularly miscible polymer blends of polyvinyl phenol and polyacetal
    Patent number: 5079301
    Abstract: A molecularly miscible polymer blend of polyvinyl phenol and polyacetal exhibits useful properties.
    Type: Grant
    Filed: August 8, 1990
    Date of Patent: January 7, 1992
    Assignee: Shell Oil Company
    Inventors: Joseph M. Machado, Raymond N. French
  • Blends of polyketones and carboxylated, hydrogenated block copolymers
    Patent number: 5064901
    Abstract: Polymer blends comprising a major proportion of linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon, a minor proportion of a carboxylated, partially hydrogenated two-block copolymer of an alkenyl arene and a conjugated alkadiene and, optionally, a minor proportion of an .alpha.-olefin/.alpha.,.beta.-ethylenically unsaturated carboxylic acid polymer, demonstrate improved properties of low temperature toughness.
    Type: Grant
    Filed: July 20, 1989
    Date of Patent: November 12, 1991
    Assignee: Shell Oil Company
    Inventor: Joseph M. Machado
  • Blends of linear alternating polyketones, polyamides and olefin-carboxylic acid copolymers
    Patent number: 5043389
    Abstract: Polymer blends exhibiting improved mechanical properties of strength and toughness comprise blends of a major proportion of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with minor proportions of a polymeric polyamide and a polymer of an .alpha.-olefin and an .alpha.,.beta.-ethylenically unsaturated carboxylic acid having an optional third monomer and optional partial neutralization of the carboxylic acid groups by non-alkali metal.
    Type: Grant
    Filed: October 31, 1989
    Date of Patent: August 27, 1991
    Assignee: Shell Oil Company
    Inventors: William P. Gergen, Joseph M. Machado, Dixie G. Waters, Randall P. Gingrich
  • Polymer blends
    Patent number: H988
    Abstract: Polymer blends comprising a major proportion of a polyamide polymer and lesser proportions of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and of an acidic polymer containing moieties of .alpha.,.beta.-ethylenically unsaturated carboxylic acid demonstrate improved properties of melt strength and melt elasticity and, over a narrower range of concentration of the linear alternating polymer, improved mechanical properties.
    Type: Grant
    Filed: October 31, 1989
    Date of Patent: November 5, 1991
    Assignee: Shell Oil Company
    Inventors: William P. Gergen, Joseph M. Machado, Dixie G. Waters, Randall P. Gingrich
  • Reinforced polymer blends
    Patent number: H1021
    Abstract: Improved mechanical properties, particularly tensile strength, are demonstrated by glass fiber-reinforced blends of a polymeric blend comprising a major proportion of a polyamide polymer with a lesser amount of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and, optionally, an acidic polymer containing moieties of .alpha.-olefin and .alpha.,.beta.-ethylenically unsaturated carboxylic acid.
    Type: Grant
    Filed: October 31, 1989
    Date of Patent: February 4, 1992
    Assignee: Shell Oil Company
    Inventors: Joseph M. Machado, William P. Gergen
  • Polymer with improved barrier properties
    Patent number: H1169
    Abstract: Polymer compositions comprising an intimate mixture of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and a poly(vinylidene fluoride) exhibit improved barrier properties. The poly(vinylidene fluoride) is also useful in a method of reducing the water vapor transmission rate of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon.
    Type: Grant
    Filed: August 22, 1991
    Date of Patent: April 6, 1993
    Assignee: Shell Oil Company
    Inventor: Joseph M. Machado
  • Compatibilized polyketone polymer blend
    Patent number: H1601
    Abstract: A blend of polyketone and polycarbonate polymers is presented. The polymer blend is produced by blending polyketone polymer, polycarbonate polymer, and a reactive graft compatibilizer. The a reactive graft compatibilizer compatibilizes the blend.
    Type: Grant
    Filed: March 2, 1995
    Date of Patent: October 1, 1996
    Assignee: Shell Oil Company
    Inventors: Joseph M. Machado, Randall P. Gingrich