Patents Represented by Attorney Dean F. Vance
  • Patent number: 4216131
    Abstract: A non-delaminating polymeric composition having a smooth appearance along with improved solvent resistance comprises a mixture of particular linear and radial monoalkenyl arene-diene block copolymers, a low density polyethylene, ethylene/vinyl acetate copolymer, hydrocarbon extending oil and filler. The block copolymers, polyethylene and ethylene/vinyl acetate copolymer are selected such that essentially isoviscous melt blending conditions are attained.
    Type: Grant
    Filed: May 4, 1979
    Date of Patent: August 5, 1980
    Assignee: Shell Oil Company
    Inventors: Glenn R. Himes, Judith E. Zweig
  • Patent number: 4208315
    Abstract: A non-delaminating polymeric composition having a smooth appearance along with improved flex crack resistance and detergent resistance is prepared by first blending together a vinyl chloride resin and an ethylene/vinyl acetate copolymer, and then blending in a monoalkenyl arene-diene block copolymer, hydrocarbon extending oil and filler under essentially isoviscous blending conditions.
    Type: Grant
    Filed: February 1, 1979
    Date of Patent: June 17, 1980
    Assignee: Shell Oil Company
    Inventor: Judith E. Zweig
  • Patent number: 4201812
    Abstract: Fibrous floor coverings comprising a layer of fibrous fabric having an integral backing layer are disclosed. The backing layer comprises the blend of a certain bituminous component and a monoalkenyl arene/conjugated diene block copolymer.
    Type: Grant
    Filed: June 18, 1979
    Date of Patent: May 6, 1980
    Assignee: Shell Oil Company
    Inventors: Thomas C. Blanken, Joannes C. A. Schellekens
  • Patent number: 4185042
    Abstract: Lithium metal-terminated polymers of one or more conjugated dienes and of one or more monoalkenyl arenes are coupled by reaction with a coupling agent of the general formula ##STR1## where the R groups are optionally substituted hydrocarbyl groups, R.sub.1 is hydrogen, R or OR, and R.sub.2 is an optionally substituted alkylene group which may contain one or more oxygen atoms.
    Type: Grant
    Filed: August 17, 1978
    Date of Patent: January 22, 1980
    Assignee: Shell Oil Company
    Inventor: Hendrik T. Verkouw
  • Patent number: 4180695
    Abstract: A process and catalyst for the alkylation of isoparafffins is disclosed. The catalyst is an unsupported solid perfluorinated polymer containing pendent sulfonic acid groups.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: December 25, 1979
    Assignee: Shell Oil Company
    Inventor: James D. McClure
  • Patent number: 4177184
    Abstract: Polymeric blends having utility for use as automotive exterior parts and the like comprise a selectively hydrogenated monoalkenyl arene/diene multi-block copolymer, polyolefin, filler, fatty acid amide and a synthetic rubberizing polymer. The resulting blends not only have excellent mold release characteristics but are also paintable, printable and metallizable.
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: December 4, 1979
    Assignee: Shell Oil Company
    Inventor: Nancy J. Condon
  • Patent number: 4169063
    Abstract: Lubricating oil additives having both dispersant and viscosity-index improving properties are prepared by reacting an ethylene-propylene copolymer with chlorine and/or an alpha-beta unsaturated dicarboxylic acid or derivative, and then reacting the resulting intermediate with certain amines.
    Type: Grant
    Filed: March 11, 1977
    Date of Patent: September 25, 1979
    Assignee: Shell Oil Company
    Inventor: Thomas E. Kiovsky
  • Patent number: 4156673
    Abstract: A viscosity index-improver for lubricating oil compositions is disclosed. This viscosity index improver is a hydrogenated star-shaped polymer comprising a poly(poly-alkenyl coupling agent) nucleus and at least four polymeric arms linked to the nucleus wherein the arms are hydrogenated homopolymers and copolymers of conjugated dienes, hydrogenated copolymers of conjugated dienes and monoalkenyl arenes, or mixtures thereof.
    Type: Grant
    Filed: July 21, 1978
    Date of Patent: May 29, 1979
    Assignee: Shell Oil Company
    Inventor: Rudolf J. A. Eckert
  • Patent number: 4152231
    Abstract: A cured polymer composition possessing excellent cohesive strength at high temperatures along with good solvent resistance and processing characteristics is prepared by the radiation curing of a composition comprising a linear or radial polydiene, tackifying resin, and a di-to-tetra-functional acrylate or methacrylate selected from the group consisting of acrylic and methacrylic acid esters of polyols.
    Type: Grant
    Filed: October 26, 1978
    Date of Patent: May 1, 1979
    Assignee: Shell Oil Company
    Inventors: David J. St. Clair, David R. Hansen
  • Patent number: 4151057
    Abstract: A cured adhesive composition possessing excellent cohesive strength at high temperatures along with excellent shear strength and solvent resistance is prepared by the electron beam initiated curing of an adhesive composition comprising selectively hydrogenated monoalkenyl arene/conjugated diene block copolymer component, tackifying resin and a di-to-tetra-functional acrylate or methacrylate selected from the group consisting of acrylic and methacrylic acid esters of polyols.
    Type: Grant
    Filed: August 14, 1978
    Date of Patent: April 24, 1979
    Assignee: Shell Oil Company
    Inventors: David J. St. Clair, David R. Hansen
  • Patent number: 4141847
    Abstract: Lubricating oil additives having both dispersant and viscosity index-improving properties are prepared by reacting a selectively hydrogenated star-shaped polymer having at least four arms of polymers or copolymers of dienes and monoalkenyl arenes with an alpha-beta unsaturated carboxylic acid or derivative, and then reacting the resulting intermediate with an amine.
    Type: Grant
    Filed: May 11, 1977
    Date of Patent: February 27, 1979
    Assignee: Shell Oil Company
    Inventor: Thomas E. Kiovsky
  • Patent number: 4141876
    Abstract: An adhesive composition having greatly improved high temperature properties is prepared by melt blending a polyphenylene ether resin, a selectively hydrogenated arene/conjugated diene block copolymer, tackifying resin, and optional hydrocarbon processing oil.
    Type: Grant
    Filed: September 23, 1977
    Date of Patent: February 27, 1979
    Assignee: Shell Oil Company
    Inventor: David R. Hansen
  • Patent number: 4133731
    Abstract: A cured adhesive composition possessing excellent cohesive strength at high temperatures along with excellent adhesion, shear strength and solvent resistance is prepared by the radiation initiated curing of an adhesive composition comprising a monoalkenyl arene/conjugated diene block copolymer, tackifying resin and a di-to-tetra-functional acrylate or methacrylate selected from the group consisting of acrylic and methacrylic acid esters of polyols.
    Type: Grant
    Filed: March 3, 1978
    Date of Patent: January 9, 1979
    Assignee: Shell Oil Company
    Inventors: David R. Hansen, David J. St. Clair
  • Patent number: 4133795
    Abstract: A footwear composition having a simulated crepe appearance and possessing much improved cycle times is prepared by melt blending a monoalkenyl arene/diene block copolymer, oil, non-hygroscopic filler, crystal polystyrene, and synthetic fiber at a temperature below the melting point of the fiber. The synthetic fiber is preferably selected from the group consisting of polyamide fibers, polyester fibers, acrylic fibers, and mixtures thereof.
    Type: Grant
    Filed: March 27, 1978
    Date of Patent: January 9, 1979
    Assignee: Shell Oil Company
    Inventor: Glenn R. Himes
  • Patent number: 4130606
    Abstract: Rubbery compositions having good cold-flow and processing characteristics comprise a particular blend of polymers or copolymers of conjugated dienes having 4 or 5 carbon atoms per molecule, or copolymers thereof with a monoalkenyl arene.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: December 19, 1978
    Assignee: Shell Oil Company
    Inventors: Hendrik Van Ballegooijen, Frederik L. Binsbergen, Jacob Raadsen, Arie D. Vreugdenhil
  • Patent number: 4126600
    Abstract: A multicomponent polymer blend composition is prepared by intimately mixing a nitrile barrier resin, a selectively hydrogenated monoalkenyl arene-diene block copolymer, and at least one dissimilar engineering thermoplastic resin under such conditions that at least two of the polymers form at least partial continuous network phases which interlock with the other polymer networks and therefore results in a desirable balance of properties.
    Type: Grant
    Filed: April 13, 1978
    Date of Patent: November 21, 1978
    Assignee: Shell Oil Company
    Inventors: William P. Gergen, Sol Davison
  • Patent number: 4119607
    Abstract: A multicomponent polymer blend composition is prepared by intimately mixing a thermoplastic polyester, a selectively hydrogenated monoalkenyl arene-diene block copolymer, and at least one dissimilar engineering thermoplastic resin under such conditions that at least two of the polymers form at least partial continuous network phases which interlock with the other polymer networks and therefore results in a desirable balance of properties. These blends have an unobviously high heat distortion temperature relative to the improved impact strength.
    Type: Grant
    Filed: March 7, 1978
    Date of Patent: October 10, 1978
    Assignee: Shell Oil Company
    Inventors: William P. Gergen, Sol Davison
  • Patent number: 4117037
    Abstract: Block copolymer compositions having improved adhesion to porous substrates are prepared by employing an anionic polyarene as a component instead of a free radical polymerized polyarene. Also disclosed is a process for simultaneously preparing the block copolymer and anionic polyarene.
    Type: Grant
    Filed: March 30, 1978
    Date of Patent: September 26, 1978
    Assignee: Shell Oil Company
    Inventor: Glenn R. Himes
  • Patent number: D249907
    Type: Grant
    Filed: April 12, 1976
    Date of Patent: October 17, 1978
    Assignee: Shell Oil Company
    Inventor: Victor F. Anderson
  • Patent number: D250297
    Type: Grant
    Filed: April 12, 1976
    Date of Patent: November 21, 1978
    Assignee: Shell Oil Company
    Inventor: Victor F. Anderson