Patents by Inventor G. Frederick Hutter
G. Frederick Hutter 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).
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Patent number: 5849149Abstract: An improved process is disclosed for deinking waste paper which contains nonimpact printed papers printed with xerographic and laser inks by repulping the waste paper to form a slurry in the presence of an agglomeration agent and magnetite and subjecting the slurry to a magnetic field to remove the agglomerated ink particles, whereby the improvement comprises replacement of a portion of the agglomeration agent with a copolymer of styrene and acrylic monomers which copolymer is further characterized by having a Ring and Ball softening point of 70.degree.-105.degree. C. and an number average molecular weight of 2,000 to 10,000. The magnetic treatment preferably is conducted at ambient or greater temperature, at neutral to alkaline pH, and at a low pulp consistency.Type: GrantFiled: September 3, 1997Date of Patent: December 15, 1998Assignee: Westvaco CorporationInventors: Nipun Marwah, G. Frederick Hutter
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Patent number: 5693702Abstract: The invention relates to rosin-supported emulsion polymer compositions which are modified with urea-containing monomers and/or urethane-containing monomers reacted with conventional acrylic or styrenic monomers to produce emulsion polymer latices. These emulsion polymer latices can be utilized to formulate printing inks exhibiting superior peel resistances for use in adhesive and extrusion lamination printings.Type: GrantFiled: February 16, 1996Date of Patent: December 2, 1997Assignee: Westvaco CorporationInventor: G. Frederick Hutter
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Patent number: 5691405Abstract: The invention relates to rosin-supported emulsion polymer compositions which are modified with urea-containing monomers and/or urethane-containing monomers reacted with conventional acrylic or styrenic monomers to produce emulsion polymer latices. These emulsion polymer latices can be utilized to formulate printing inks exhibiting superior peel resistances for use in adhesive and extrusion lamination printings.Type: GrantFiled: September 11, 1996Date of Patent: November 25, 1997Assignee: Westvaco CorporationInventor: G. Frederick Hutter
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Patent number: 5656679Abstract: This invention relates to improved water-soluble acrylic latex compositions. In particular, this invention relates to acrylic latex compositions produced by reacting monomers with water-soluble support resins derived from reacting a modified rosin with an alkanolamine containing at least one secondary amine and at least one hydroxyl group. These acrylic latex compositions can be utilized to produce water-based flexographic and gravure ink formulations.Type: GrantFiled: May 17, 1996Date of Patent: August 12, 1997Assignee: Westvaco CorporationInventor: G. Frederick Hutter
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Patent number: 5498661Abstract: The invention relates to ink binders. In particular, the invention relates to acrylic latex binders for use in preparing zinc-containing water-based inks for printing on plastic films. Inks containing these binders exhibit increased chemical resistance to commonly-used cleaning formulations and excellent heat resistance and water-crinkle resistance properties.Type: GrantFiled: May 9, 1995Date of Patent: March 12, 1996Assignee: Westvaco CorporationInventor: G. Frederick Hutter
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Patent number: 5498653Abstract: This invention relates to rosin carboxypyrrolidinone adducts. In particular, this invention relates to water-soluble resins derived from the reaction product of a modified rosin with a hydroxyl-containing carboxypyrrolidinone derivative. These resins can be used to make acrylic latex compositions which can, in turn, be utilized to produce water-based flexographic and gravure ink formulations.Type: GrantFiled: July 5, 1995Date of Patent: March 12, 1996Assignee: Westvaco CorporationInventor: G. Frederick Hutter
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Patent number: 5491215Abstract: This invention relates to rosin carboxypyrrolidinone adducts. In particular, this invention relates to water-soluble resins derived from the reaction product of a modified rosin with a hydroxyl-containing carboxypyrrolidinone derivative. These resins can be used to make acrylic latex compositions which can, in turn, be utilized to produce water-based flexographic and gravure ink formulations.Type: GrantFiled: April 11, 1995Date of Patent: February 13, 1996Assignee: Westvaco CorporationInventor: G. Frederick Hutter
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Patent number: 5473006Abstract: The invention relates to polyvinyl alcohol-modified, rosin-based, resin-fortified emulsion polymer compositions having improved properties which are useful in formulating gravure and flexographic printing inks. Additionally, the invention relates to the method of preparing these emulsion polymer compositions.Type: GrantFiled: April 11, 1994Date of Patent: December 5, 1995Assignee: Westvaco CorporationInventors: G. Frederick Hutter, Paul J. Zuraw
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Patent number: 5423908Abstract: The invention relates to improved solution phenolics and the process for preparing them. In particular, the invention relates to viscosity-stable high solids solutions of esters of rosin-phenol condensates having properties which make them useful in formulating vehicles for gravure printing inks.Type: GrantFiled: September 30, 1994Date of Patent: June 13, 1995Assignee: Westvaco CorporationInventors: Everett Crews, J. George Hayden, G. Frederick Hutter
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Patent number: 5306762Abstract: The invention relates to rosin-based resin-fortified emulsion polymer compositions which are modified with amide-containing monomers to produce aqueous acrylic laminating inks with improved peel strengths.Type: GrantFiled: December 9, 1992Date of Patent: April 26, 1994Assignee: Westvaco CorporationInventor: G. Frederick Hutter
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Patent number: 5264481Abstract: The invention is water-based printing inks and coatings formulated with stable low viscosity grind bases made from modified rosin grinding resins. These grinding resins are produced via the fusion esterification of fortified rosin with hydroxyacrylic resins and various polyols. Suitable hydroxyacrylic resins are prepared by copolymerizing an hydroxyalkylacrylate or methacrylate with alkyl acrylates, cycloalkyl acrylates, methacrylates, or styrene. These hydroxyacrylic resins can be made to contain a wide range of molecular weights and hydroxyl contents, thereby permitting formulation of a wide variety of soluble grinding resins and printing inks.Type: GrantFiled: February 16, 1993Date of Patent: November 23, 1993Assignee: Westvaco CorporationInventors: G. Frederick Hutter, Paul J. Zuraw, J. George Hayden, Everett Crews
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Patent number: 5216071Abstract: The invention is water-based printing inks and coatings formulated with stable low viscosity grind bases made from modified rosin grinding resins. These grinding resins are produced via the fusion esterification of fortified rosin with hydroxyacrylic resins and various polyols. Suitable hydroxyacrylic resins are prepared by copolymerizing an hydroxyalkylacrylate or methacrylate with alkyl acrylates, cycloalkyl acrylates, methacrylates, or styrene. These hydroxyacrylic resins can be made to contain a wide range of molecular weights and hydroxyl contents, thereby permitting formulation of a wide variety of soluble grinding resins and printing inks.Type: GrantFiled: October 28, 1992Date of Patent: June 1, 1993Assignee: Westvaco CorporationInventors: G. Frederick Hutter, Paul J. Zuraw
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Patent number: 5212213Abstract: This invention relates to novel radiation-curable, rosin-based resins and the process for preparing them. In particular, the invention relates to unsaturated polyester resins containing fully fumarated rosin and/or fully maleated rosin which have softening points of at least 80.degree. C. and are capable of being flaked into solid chips; a property that make the resins useful in formulating vehicles for lithographic printing inks and other coating applications.Type: GrantFiled: May 20, 1992Date of Patent: May 18, 1993Assignee: Westvaco CorporationInventor: G. Frederick Hutter
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Patent number: 5189090Abstract: The invention is soluble rosin grinding resins capable of being employed over a wide range of pH values to produce stable low viscosity grind bases for water-based printing inks and coatings. The grinding resins are produced via the fusion esterification of fortified rosin with hydroxyacrylic resins and various polyols. Suitable hydroxyacrylic resins are prepared by copolymerizing an hydroxyalkylacrylate or methacrylate with alkyl acrylates, cycloalky acrylates, methacrylates, or styrene. These hydroxyacrylic resins can be made to contain a wide range of molecular weights and hydroxyl contents, thereby permitting formulation of a wide variety of soluble grinding resins.Type: GrantFiled: August 3, 1992Date of Patent: February 23, 1993Assignee: Westvaco CorporationInventors: G. Frederick Hutter, Paul J. Zuraw
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Michael addition aminopolyester resins as dilution extenders for zinc-containing metal resinate inks
Patent number: 5180424Abstract: The invention is a printing ink comprising a zinc-containing metal resinate complexed with aminopolyester resins and the process for preparing them. In particular, the invention relates to aminopolyester resins having properties which make them useful as resinate dilution extenders in formulating vehicles for gravure and intaglio printing inks.Type: GrantFiled: May 18, 1992Date of Patent: January 19, 1993Assignee: Westvaco CorporationInventor: G. Frederick Hutter -
Patent number: 5152832Abstract: Improved water soluble resins having qualities of adhesion, wettability and improved stability for use in packaging ink compositions are prepared as the reaction products of modified rosin and a compound containing two secondary amine groups, and further modifying said reaction products with a polyol, such as diethylene glycol.Type: GrantFiled: June 28, 1991Date of Patent: October 6, 1992Assignee: Westvaco CorporationInventors: G. Frederick Hutter, Paul J. LeBlanc
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Patent number: 5098479Abstract: The invention is a hydrocarbon soluble thickener for zinc-containing metal resinate inks comprising the reaction product of:(a) up to 99% by weight of an alkyl or cycloalkyl ester of acrylic or methacrylic acid;(b) up to 98% by weight of styrene;(c) 1 to 40% by weight of an amine-containing monomer;(d) up to 20% by weight of a carboxyl-containing monomer; and(e) a catalytic amount of a free-radical polymerization initiator.Type: GrantFiled: August 24, 1990Date of Patent: March 24, 1992Assignee: Westvaco CorporationInventor: G. Frederick Hutter
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Patent number: 5085699Abstract: The invention is novel aminopolyester resins and the process for preparing them. In particular, the invention relates to aminopolyester resins having properties which make them useful as resinate dilution extenders in formulating vehicles for gravure and intaglio printing inks.Type: GrantFiled: April 8, 1991Date of Patent: February 4, 1992Assignee: Westvaco CorporationInventor: G. Frederick Hutter
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Patent number: 5066331Abstract: A water-soluble resin for packaging ink comprising the reaction product of fumarated or maleated rosin and a compound containing two secondary amine groups is disclosed. A resin with a higher softening point may be obtained by substituting a dicarboxylic acid, such as adipic acid or isophathalic acid, for part of the fumarated or maleated rosin. Water varnishes, pigment bases, and water based inks containing the resin are disclosed.Type: GrantFiled: December 21, 1989Date of Patent: November 19, 1991Assignee: Westvaco CorporationInventor: G. Frederick Hutter
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Patent number: 4415705Abstract: High-solids pigment concentrates are disclosed containing a novel dispersing agent formed by reacting a poly (lower alkylene) imine, having molecular weight of 1,000 to 15,000 with a polyester comprising the esterification product of hydroxystearic acid, or its oligomer, with tall oil rosin.Type: GrantFiled: July 19, 1982Date of Patent: November 15, 1983Assignee: Inmont CorporationInventor: G. Frederick Hutter