Patents by Inventor Robert G. Lutz

Robert G. Lutz 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).

  • Polymer blend of carbon monoxide/olefin copolymer and a polyacetal polymer
    Patent number: 4816530
    Abstract: Improved impact resistance is exhibited by blends of (a) a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and (b) polyacetal polymer of at least 85 mole percent polymerized formaldehyde.
    Type: Grant
    Filed: June 8, 1988
    Date of Patent: March 28, 1989
    Assignee: Shell Oil Company
    Inventors: Robert G. Lutz, William P. Gergen
  • Polymer blend of carbon monoxide/olefin copolymer and a vinyl aromatic compound with an .alpha.,.beta.-unsaturated cyclic anhydride copolymer
    Patent number: 4814378
    Abstract: Polymer blends having a major proportion of a linear alternating copolymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and a minor proportion of a copolymer of a vinyl aromatic compound and an alpha,beta-unsaturated cyclic anhydride are provided which demonstrated improved processability and melt stability.
    Type: Grant
    Filed: June 20, 1988
    Date of Patent: March 21, 1989
    Assignee: Shell Oil Company
    Inventor: Robert G. Lutz
  • Polymer blend of carbon monoxide/olefin copolymer and a hydroxyalkyl ether
    Patent number: 4808678
    Abstract: Blends of, as a major component, a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and, as a minor component, a polymeric, predominantly linear, hydroxyalkyl ether of bis(hydroxyphenyl)alkane, exhibit improved processability and oven life.
    Type: Grant
    Filed: June 13, 1988
    Date of Patent: February 28, 1989
    Assignee: Shell Oil Company
    Inventor: Robert G. Lutz
  • Impact resistant blends of thermoplastic polyesters and modified block copolymers
    Patent number: 4797447
    Abstract: The present invention relates to an impact resistant polymeric composition comprising a polyester and a thermally stable modified selectively hydrogenated high 1,2 content block copolymer wherein at least one graftable functional molecule is grafted to the block copolymer in the vinylarene block.
    Type: Grant
    Filed: August 16, 1985
    Date of Patent: January 10, 1989
    Assignee: Shell Oil Company
    Inventors: William P. Gergen, Robert G. Lutz
  • Impact resistant blends of thermoplastic polyamides, functionalized polyolefins and functionalized elastomers
    Patent number: 4795782
    Abstract: The present invention relates to an impact resistant polymeric composition comprising a polyamide, a functionalized polyolefin and a functionalized elastomer.
    Type: Grant
    Filed: September 25, 1986
    Date of Patent: January 3, 1989
    Assignee: Shell Oil Company
    Inventors: Robert G. Lutz, Richard Gelles, William P. Gergen
  • Impact resistant blends of thermoplastic polyamides and modified block copolymers
    Patent number: 4783503
    Abstract: The present invention relates to an impact resistant polymeric composition comprising a polyamide and a thermally stable modified selectively hydrogenated high 1,2 content block copolymer wherein at least one graftable functional molecule is grafted to the block copolymer in the vinylarene block.
    Type: Grant
    Filed: August 16, 1985
    Date of Patent: November 8, 1988
    Assignee: Shell Oil Company
    Inventors: William P. Gergen, Robert G. Lutz
  • Flame retardant compositions
    Patent number: 4761449
    Abstract: Flame retardant compositions comprise linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and a minor quantity, relative to the polymer, of an alkaline earth metal carbonate.
    Type: Grant
    Filed: October 22, 1987
    Date of Patent: August 2, 1988
    Assignee: Shell Oil Company
    Inventor: Robert G. Lutz
  • High heat metal-polymer laminate
    Patent number: 4601941
    Abstract: A novel metal-polymer-metal structural laminate is disclosed having an unexpected balance of property advantages including light weight, good adhesion between polymer and metal, high stiffness and automotive paint bake oven stability. The high heat laminate has a polymeric resinous core comprising the blend of an engineering thermoplastic resin and a selectively hydrogenated monoalkenyl arene-conjugated diene block copolymer.
    Type: Grant
    Filed: September 7, 1984
    Date of Patent: July 22, 1986
    Assignee: Shell Oil Company
    Inventors: Robert G. Lutz, William P. Gergen
  • Selectively hydrogenated block copolymers modified with acid compounds or derivatives
    Patent number: 4578429
    Abstract: The present invention relates to a thermally stable modified selectively hydrogenated high 1,2 content block copolymer wherein at least one acid compound is grafted to the block copolymer at a secondary or tertiary carbon position.
    Type: Grant
    Filed: August 31, 1984
    Date of Patent: March 25, 1986
    Assignee: Shell Oil Company
    Inventors: William P. Gergen, Robert G. Lutz, Richard Gelles
  • Polymer blend composition comprising two block polymers a vinyl aromatic copolymer and a polyester
    Patent number: 4493919
    Abstract: A thermoplastic molding composition having good low temperature properties in addition to low distortion at paint bake temperatures comprises the blend of a selectively hydrogenated monoalkenyl arene-conjugated diene block copolymer, a vinyl aromatic-.alpha., .beta.-unsaturated cyclic anhydride copolymer, and a thermoplastic polyester.
    Type: Grant
    Filed: June 8, 1983
    Date of Patent: January 15, 1985
    Assignee: Shell Oil Company
    Inventors: Daniel P. Durbin, Robert G. Lutz, Richard L. Danforth
  • Polymer blend composition
    Patent number: 4491648
    Abstract: A thermoplastic molding composition having good low temperature properties, low distortion at paint bake temperatures, and overall shrinkage similar to shrinkage of thermoplastic olefins comprises the blend of a selectively hydrogenated monoalkenyl arene-conjugated diene block copolymer, a vinyl aromatic-.alpha., .beta.-unsaturated cyclic anhydride copolymer, a polycarbonate, and a saturated diblock copolymer.
    Type: Grant
    Filed: May 29, 1984
    Date of Patent: January 1, 1985
    Assignee: Shell Oil Company
    Inventors: Daniel P. Durbin, Robert G. Lutz
  • Polymer blend composition
    Patent number: 4377647
    Abstract: A thermoplastic molding composition having good low temperature properties in addition to low distortion at paint bake temperatures comprises the blend of a selectively hydrogenated monoalkenyl arene-conjugated diene block copolymer, a vinyl aromatic-.alpha., .beta.-unsaturated cyclic anhydride copolymer, and a thermoplastic polyester.
    Type: Grant
    Filed: November 16, 1981
    Date of Patent: March 22, 1983
    Assignee: Shell Oil Company
    Inventors: Daniel P. Durbin, Richard L. Danforth, Robert G. Lutz