Patents Represented by Attorney William J. Farrington

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  • Polymeric laminate for safety glass
    Patent number: 4948672
    Abstract: A polymeric laminate of a sheet containing plasticized polyvinyl butyral chemically linked by urethane groups to a polyurethane layer which is preferably thermoset.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: August 14, 1990
    Assignee: Monsanto Company
    Inventor: George E. Cartier
  • Allyloxy activated coating compositions
    Patent number: 4945143
    Abstract: Allyloxy activated surface coatings of free radical-polymerizable compounds having fugitive acid stabilized metal drier and peroxide free radical initiator form durable films over urethane substrates.
    Type: Grant
    Filed: July 21, 1989
    Date of Patent: July 31, 1990
    Assignee: Monsanto Company
    Inventors: Christopher J. Hardiman, Gary R. Bowers
  • Optical element for a vehicle windshield
    Patent number: 4943140
    Abstract: An optical element for a motor vehicle windshield comprises, in combination, an interference filter having one or more light-reflecting metal layers and one or more reflection-suppressing layers for coacting with the one or more metal layers to minimize reflection and enhance transmission in the visible region, a gradient band continuation of the interference filter above the direct line of forward vision through a windshield when disposed in a motor vehicle for reflective rejection of solar energy, such band including a light-reflecting metal layer gradually increasing in thickness toward a lateral edge of the band and an anti-glare backing behind the gradient band for suppressing luminous reflection from within the motor vehicle when the optical element is disposed in the windshield.
    Type: Grant
    Filed: July 27, 1989
    Date of Patent: July 24, 1990
    Assignee: Monsanto Company
    Inventors: Floyd E. Woodard, Zane V. Zeable
  • Transparent polymeric laminate
    Patent number: 4937147
    Abstract: A transparent polymeric laminate of plasticized polyvinyl butyral sheet chemically linked by urethane groups to a thermoset polyurethane layer formed as the reaction product of a cross-linkable mixture containing diisocyanate and polyether polyol containing primary or secondary hydroxyl groups and having a molecular weight between about 250 to about 8000.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: June 26, 1990
    Assignee: Monsanto Company
    Inventors: George E. Cartier, Carl P. Piretti
  • Polyglycidamide coating compositions
    Patent number: 4931537
    Abstract: Curable epoxy systems comprising polyglycidamides and epoxy reactants. The polyglycidamides are hydroxy functional polyglycidamides derived from amino resins. The epoxy systems can be used as laminating, encapsulating and coating resins. When the epoxy reactant is an anhydride, cure under ambient conditions is obtained.
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: June 5, 1990
    Assignee: Monsanto Company
    Inventor: William F. Pfohl
  • Hydroxy functional acrylamidomethyl amino resins
    Patent number: 4931536
    Abstract: Hydroxy functional acrylamido amino resins comprising hydroxy-hydrocarbyl groups. The resins are produced by reaction of alkoxymethyl amino resins with acrylamide to introduce acrylamidomethyl groups and then with a polyol to introduce hydroxy functionality. The hydroxy functional acrylamido amino resins may be epoxidized to form polyglycidamides which can then be formulated with epoxy reactants to provide curable epoxy systems.
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: June 5, 1990
    Assignee: Monsanto Company
    Inventor: William F. Pfohl
  • Impact- and weather-resistant thermoplastic polyblends
    Patent number: 4916186
    Abstract: Thermoplastic polyblends having weatherability and impact strength are formed by blending a first graft copolymer containing a conjugated diene rubber substrate having a weight average particle size between about 0.6 and about 10 microns with a second graft copolymer containing an EPDM-type rubber substrate having a weight average particle size between about 0.05 and about 1 micron or an alkyl acylate rubber substrate having a weight average particle size between about 0.05 and about 0.5 micron. The superstrate of the two graft copolymers comprises a monovinylidene aromatic hydrocarbon and an unsaturated nitrile.
    Type: Grant
    Filed: April 13, 1987
    Date of Patent: April 10, 1990
    Assignee: Monsanto Company
    Inventors: Raymond D. Burk, Fred M. Peng, A. Hameed Bhombal
  • Film of allyloxy compound with metal drier compositions
    Patent number: 4904738
    Abstract: Metal drier moderated to provide compostions of extended pot life by at least one molybdenum compound. Coating compositions of free radical polymerizable compounds and moderated metal drier exhibit lower propensity to yellowing when they are cured.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: February 27, 1990
    Assignee: Monsanto Company
    Inventors: Christopher J. Hardiman, Gary R. Bowers
  • Cross-linked polyvinyl butyral
    Patent number: 4902464
    Abstract: Polyvinyl butyral (PVB) resin lightly cross-linked through stable intermolecular linkages developed, for example, through use of a dialdehyde or trialdehyde, to selectively increase PVB molecular weight and the modulus of a plasticized sheet formed therefrom intended for use in laminated safety glass assemblies.
    Type: Grant
    Filed: December 7, 1988
    Date of Patent: February 20, 1990
    Assignee: Monsanto Company
    Inventors: George E. Cartier, Peter H. Farmer
  • Catalysts for air-drying compositions
    Patent number: 4894356
    Abstract: Metal drier compositions comprising at least one soluble compound of niobium, zirconium, titanium, tungsten, or aluminum used in coating compositions of free radical polymerizable compounds to extend pot life and lower propensity to yellowing of the dried composition.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: January 16, 1990
    Assignee: Monsanto Company
    Inventor: Christopher J. Hardiman
  • Cyclopentane diester vinylene polymers
    Patent number: 4891413
    Abstract: Polymers comprising units of diesters of cyclopentane diol vinylene prepared by metathesis ring opening polymerization of diesters of norbornene diol exhibiting a glass transition temperature of at least 100.degree. C. are useful as engineering thermoplastics.
    Type: Grant
    Filed: January 27, 1989
    Date of Patent: January 2, 1990
    Assignee: Monsanto Company
    Inventor: Jawed Asrar
  • Cyclopentane diol vinylene polymers
    Patent number: 4891414
    Abstract: Polymers comprising units of norbornene diol vinylene are prepared by hydrolysis of precursor polymer comprising units of norbornene diol ester vinylene or norbornene dioxocarbonyl vinylene in the presence of an alkaline agent.
    Type: Grant
    Filed: January 24, 1989
    Date of Patent: January 2, 1990
    Assignee: Monsanto Company
    Inventor: Jawed Asrar
  • Rubber modified reaction molded nylon-6 block copolymers
    Patent number: 4882382
    Abstract: Dispersions of core-shell polymers in caprolactam solutions of telechelic polymers capable of being polymerized to form rubber-modified nylon-6 block copolymers having improved impact strength wherein the core-shell polymer comprises a cross-linked elastomer core and a hard thermoplastic polymer shell and wherein the telechelic polymers preformed or formed in situ, are capped with lactam polymerization initiator groups.
    Type: Grant
    Filed: June 2, 1987
    Date of Patent: November 21, 1989
    Assignee: Monsanto Company
    Inventor: Kishore Udipi
  • Process for preparing .alpha.-methylstyrene-acrylonitrile polymers
    Patent number: 4874829
    Abstract: A method of forming polymers containing .alpha.-methylstyrene and acrylonitrile by polymerizing, preferably continuously, under off-azeotrope conditions to vastly improve rate without substantially changing the content of .alpha.-methylstyrene in the polymer being formed from that obtained under azeotrope conditions.
    Type: Grant
    Filed: May 22, 1987
    Date of Patent: October 17, 1989
    Assignee: Monsanto Company
    Inventors: Chris E. Schwier, Wan C. Wu
  • Cross-linked polyvinyl butyral
    Patent number: 4874814
    Abstract: Polyvinyl butyral (PVB) resin lightly cross-linked through stable intermolecular linkages developed, for example, through use of a dialdehyde or trialdehyde, to selectively increase PVB molecular weight and the modulus of a plasticized sheet formed therefrom intended for use in laminated safety glass assemblies.
    Type: Grant
    Filed: February 27, 1989
    Date of Patent: October 17, 1989
    Assignee: Monsanto Company
    Inventors: George E. Cartier, Peter H. Farmer
  • Low gloss molding composition
    Patent number: 4870131
    Abstract: A composition capable of providing low gloss in a part molded therefrom consisting essentially of 20 to 50% by weight of a graft copolymer of ethylenically unsaturated monomers grafted unto a rubber with a rubber content of 5 to 80% by weight based on the weight of Component A; 80 to 50% by weight of one or more thermoplastic, rubber-free copolymers containing: (i) 1 to 25% by weight based on the total weight of Component (B) of an unsaturated dicarboxylic acid anhydride monomer and (ii) 0.5 to 2% by weight based on the total weight of Component (B) of an ethylenically unsaturated copolymerized epoxide compound.
    Type: Grant
    Filed: February 22, 1988
    Date of Patent: September 26, 1989
    Assignee: Monsanto Company
    Inventors: Ramesh M. Pisipati, Joseph O. Campbell
  • Process for coating urethane substrates
    Patent number: 4861668
    Abstract: A process for coating molded urethane articles comprising applying a coating of an allyloxy activated free-radical polymerizable coating composition containing a free-radical initiator and a metal drier reversibly deactivated with a strong acid.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: August 29, 1989
    Assignee: Monsanto Company
    Inventors: Christopher J. Hardiman, Gary R. Bowers
  • Polyimide laminates
    Patent number: 4861650
    Abstract: Polyimide laminates are prepared from solutions of maleimide resins comprising a mixture of maleimides and maleamic acids, e.g., greater than about 45% bismaleimide and up to about 40% bis-maleamic acid and a stabilizing amount of polyamine. The bismaleimide is preferably derived from 2,2-bis[4-(4-aminophenoxy)phenyl] propane.
    Type: Grant
    Filed: December 14, 1988
    Date of Patent: August 29, 1989
    Assignee: Monsanto Company
    Inventor: Ronald H. Dahms
  • Resin systems cured with blocked acid catalysts
    Patent number: 4839427
    Abstract: Resin systems cured with blocked acid catalysts formed by reaction of sulfonic acids with glycidamides. The blocked acids are used as catalysts and provide viscosity stability and pot life without significant decrease in catalytic activity in comparison with the corresponding free sulfonic acids.
    Type: Grant
    Filed: September 3, 1987
    Date of Patent: June 13, 1989
    Assignee: Monsanto Company
    Inventor: Patrick J. Mormile
  • Stabilized metal drier
    Patent number: 4839325
    Abstract: Fluorinated pentanedione-stabilized metal driers provide coating compositions of extended pot life. Allyloxy activated surface coatings of free radical-polymerizable compounds having fluorinated pentanedione stabilized metal drier and peroxide free radical initiator provide durable films.
    Type: Grant
    Filed: August 24, 1987
    Date of Patent: June 13, 1989
    Assignee: Monsanto Company
    Inventor: Christopher J. Hardiman