Patents Represented by Attorney Edward P. Grattan
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Patent number: 4233409Abstract: The present invention relates to a polymeric blend comprising first and second ABS polyblends, a grafted diene rubber terpolymer grafted with alkenyl aromatic and alkyl alkacrylate monomers, a block copolymer of conjugated diene and alkenyl aromatic monomers and a matrix copolymer of alkenyl aromatic and alkenyl nitrile monomers, said polymeric blend being ductile and tough at low temperatures.Type: GrantFiled: July 5, 1979Date of Patent: November 11, 1980Assignee: Monsanto CompanyInventor: Charles W. Bulkley
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Patent number: 4226957Abstract: A polymer is described which has particular utility as an additive imparting wet and dry strength to a paper base. The polymer is formed by the reaction of a polymer of an N,N-disubstituted vinyl-benzyl amine or homologue thereof with an epihalohydrin.Type: GrantFiled: June 13, 1979Date of Patent: October 7, 1980Assignee: Monsanto CompanyInventor: Donald N. Van Eenam
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Patent number: 4226942Abstract: This invention relates to an improved process for the production of a particulate foamable polyvinyl aromatic resin of the type wherein a vinyl aromatic monomer is polymerized in an aqueous suspension system to produce beads of thermoplastic polyvinyl aromatic resin, separating the beads and incorporating a volatile liquid blowing agent in the separated beads at a temperature above the resin softening point under such conditions that foamable resin particles are produced, cooling said beads followed by separating and drying said beads, the improvement comprising: drying said beads under vacuum conditions at normal temperatures, removing residual water from said beads while retaining said blowing agent in said beads. Also included in the invention are foamable particles when produced by the above process and foamed articles made from the foamable particles.Type: GrantFiled: August 15, 1978Date of Patent: October 7, 1980Assignee: Monsanto CompanyInventor: Nan Wei
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Patent number: 4226818Abstract: A process comprising winding polyvinylbutyral interlayer sheet at a controlled low tension reduces blocking at the core of the roll and minimizes stretch variations within the roll and storing the roll until use at a temperature below 15.degree. C.Type: GrantFiled: June 8, 1979Date of Patent: October 7, 1980Assignee: Monsanto CompanyInventors: Van Pelt Brower, Robert A. Esposito, Thomas E. Soar
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Patent number: 4224264Abstract: A normally amorphous condensation polymer is crystallized by foaming it with a chemical blowing agent at a temperature above the softening point of the polymer, extruding the molten polymer to form a solid foam and maintaining the foam at a temperature above the glass transition temperature until crystallization occurs. The crystallized polymer foam may be used as a structural foam. It can be used in solid state polymerization to obtain polymers of enhanced degree of polymerization.Type: GrantFiled: January 18, 1979Date of Patent: September 23, 1980Assignee: Monsanto CompanyInventors: Morris R. Ort, Elizabeth L. Newell
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Patent number: 4223096Abstract: Rubber-modified terpolymers of from 50 to 83% of a monoalkenyl aromatic monomer, from 15 to 30% of an unsaturated dicarboxylic acid anhydride, from 2 to 20% of an unsaturated nitrile are described which are useful as molding compositions.Type: GrantFiled: October 2, 1978Date of Patent: September 16, 1980Assignee: Monsanto CompanyInventors: Yoon C. Lee, Quirino A. Trementozzi
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Patent number: 4222921Abstract: An improved wet strength resin prepared from a polyamine and an epihalohydrin is obtained with improved yield if the polyamine is formed by the polymerization of a quaternary amine in the presence of an anion derived from an acid in which the final pKa is less than 2.Type: GrantFiled: June 19, 1978Date of Patent: September 16, 1980Assignee: Monsanto CompanyInventor: Donald N. Van Eenam
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Patent number: 4222932Abstract: A stabilized polyarylene ester of an aromatic dicarboxylic acid comprising a synergistically effective amount of an aromatic isocyanate and an aliphatic phosphite.Type: GrantFiled: March 29, 1979Date of Patent: September 16, 1980Assignee: Monsanto CompanyInventor: Leo E. Rademacher
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Patent number: 4222976Abstract: A method of filling a cavity in a substrate which comprises applying excess adhesive composition as a hot melt into the cavity, spreading the adhesive composition to fill the cavity, cooling the adhesive composition and sanding the composition to provide a surface even with the surrounding substrate. The adhesive composition comprises a block copolymer, aluminum powder and glass fiber. The block copolymer is selected from the group consisting of copolyesters, copolyamides, copoly(esteramides) and copoly(ether-esters) melting at a temperature above about 150.degree. C. and having from about 30 to about 70 weight percent of hard segments and from about 70 to about 30 weight percent of soft segments. The weight ratio of block copolymer to aluminum powder and glass fiber is in the range of about 3:7 to about 3:2, the weight ratio of block copolymer to glass fiber is at least about 2:1, and the weight ratio of glass fiber to aluminum powder is at least about 1:9.Type: GrantFiled: October 2, 1978Date of Patent: September 16, 1980Assignee: Monsanto CompanyInventors: Donald D. Donermeyer, Joseph G. Martins
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Patent number: 4219460Abstract: Hot melt adhesive compositions comprising a block copolymer, a particulate mineral reinforcing agent and glass fiber. The block copolymer is selected from the group consisting of copolyesters, copolyamides, copoly(esteramides) and copoly(ether-esters) melting at a temperature above about 150.degree. C. and having from about 30 to about 70 weight percent of hard segments and from about 70 to about 30 weight percent of soft segments. The weight ratio of block copolymer to particulate mineral reinforcing agent and glass fiber is in the range of about 3:7 to about 3:2, the weight ratio of block copolymer to glass fiber is at least about 3:4, and the weight ratio of particulate mineral reinforcing agent to glass fiber is in the range of about 1:3 to about 9:1. The compositions are particularly useful for filling voids and cavities in substrates.Type: GrantFiled: October 4, 1978Date of Patent: August 26, 1980Assignee: Monsanto CompanyInventors: Donald D. Donermeyer, Joseph G. Martins
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Patent number: 4219459Abstract: Hot melt adhesive compositions comprising a block copolymer, particulate mineral reinforcing agent, glass fiber and hollow inorganic silicate microspheres. The block copolymer is selected from the group consisting of copolyesters, copolyamides, copoly(esteramides) and copoly(ether-esters) melting at a temperature above about 150.degree. C. and having from about 30 to about 70 weight percent of hard segments and from about 70 to about 30 weight percent of soft segments. The weight ratio of block copolymer to particulate inorganic reinforcing agent, glass fiber and silicate microspheres is in the range of about 3:7 to about 3:2, the weight ratio of block copolymer to glass fiber is at least about 3:4, the weight ratio of particulate mineral to glass fiber is in the range of about 1:3 to about 9:1 and the volume percentage of hollow inorganic silicate microspheres is less than about 12. The compositions are particularly useful for filling voids and cavities in substrates.Type: GrantFiled: October 4, 1978Date of Patent: August 26, 1980Assignee: Monsanto CompanyInventors: Donald D. Donermeyer, Joseph G. Martins
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Patent number: 4219458Abstract: Hot melt adhesive compositions comprising a block copolymer, aluminum powder and glass fiber. The block copolymer is selected from the group consisting of copolyesters, copolyamides, copoly(esteramides) and copoly(ether-esters) melting at a temperature above about 150.degree. C. and having from about 30 to about 70 weight percent of hard segments and from about 70 to about 30 weight percent of soft segments. The weight ratio of block copolymer to aluminum powder and glass fiber is in the range of about 3:7 to about 3:2, the weight ratio of block copolymer to glass fiber is at least about 2:1, and the weight ratio of glass fiber to aluminum powder is at least about 1:9. The compositions are particularly useful for filling voids and cavities in substrates.Type: GrantFiled: October 2, 1978Date of Patent: August 26, 1980Assignee: Monsanto CompanyInventors: Donald D. Donermeyer, Joseph G. Martins
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Patent number: 4217376Abstract: A method of filling a cavity in a substrate which comprises applying excess adhesive composition as a hot melt into the cavity, spreading the adhesive composition to fill the cavity, cooling the adhesive composition and sanding the composition to provide a surface even with the surrounding substrate. The adhesive composition comprises a block copolymer, a particulate mineral reinforcing agent, glass fiber and hollow inorganic silicate microspheres. The block copolymer is selected from the group consisting of copolyesters, copolyamides, copoly(esteramides) and copoly(ether-esters) melting at a temperature above about 150.degree. C. and having from about 30 to about 70 percent of hard segments and from about 70 to about 30 weight percent of soft segments.Type: GrantFiled: October 4, 1978Date of Patent: August 12, 1980Assignee: Monsanto CompanyInventors: Donald D. Donermeyer, Joseph G. Martins
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Patent number: 4216295Abstract: This invention relates to an improved foamable resole resin composition comprising a resole resin, a blowing agent and a surfactant wherein said improvement comprises incorporating a particular resole resin catalyzed with alkaline earth metal hydroxides and neutralized with oxalic acid or its acid salts providing inert insoluble oxalate salts dispersed in said resole. Said salts are sized controlled and stabilized in an aqueous resole resin solution having about 60 to 99% resole resin by weight. Methods for preparing and foaming said compositions are disclosed.Type: GrantFiled: December 20, 1976Date of Patent: August 5, 1980Assignee: Monsanto CompanyInventor: Ronald H. Dahms
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Patent number: 4215159Abstract: A method of filling a cavity in a substrate which comprises applying excess adhesive composition as a hot melt into the cavity, spreading the adhesive composition to fill the cavity, cooling the adhesive composition and sanding the composition to provide a surface even with the surrounding substrate. The adhesive composition comprises a block copolymer, a particulate mineral reinforcing agent and glass fiber. The block copolymer is selected from the group consisting of copolyesters, copolyamides, copoly(esteramides) and copoly(ether-esters) melting at a temperature above about 150.degree. C. and having from about 30 to about 70 weight percent of hard segments and from about 70 to about 30 weight percent of soft segments.Type: GrantFiled: October 4, 1978Date of Patent: July 29, 1980Assignee: Monsanto CompanyInventors: Donald D. Donermeyer, Joseph G. Martins
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Patent number: 4214019Abstract: A method of filling a cavity in a substrate which comprises applying excess adhesive composition as a hot melt into the cavity, spreading the adhesive composition to fill the cavity, cooling the adhesive composition and sanding the composition to provide a surface even with the surrounding substrate. The adhesive composition comprises a block copolymer, aluminum powder, glass fiber and hollow inorganic silicate microspheres. The block copolymer is selected from the group consisting of copolyesters, coplyamides, copoly(esteramides) and copoly(ether-esters) melting at a temperature above 150.degree. C. and having from about 30 to about 70 weight percent of hard segments and from about 70 to about 30 weight percent of soft segments.Type: GrantFiled: October 4, 1978Date of Patent: July 22, 1980Assignee: Monsanto CompanyInventors: Donald D. Donermeyer, Joseph G. Martins
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Patent number: 4214056Abstract: This invention relates to a method for preparing improved monoalkenyl aromatic polyblends having a dispersed rubber phase as rubber particles having a bimodal particle size distribution and compositions thereof.Type: GrantFiled: April 9, 1979Date of Patent: July 22, 1980Assignee: Monsanto CompanyInventor: Richard E. Lavengood
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Patent number: 4207400Abstract: This invention relates to an improved foamable resole resin composition comprising a resole resin, a blowing agent and a surfactant wherein said improvement comprises incorporation dispersed metal powders in said composition providing a foamable resole composition curable to a non-corrosive foam. Methods for preparing, foaming and curing said non-corrosive foams are disclosed.Type: GrantFiled: July 24, 1978Date of Patent: June 10, 1980Assignee: Monsanto CompanyInventor: Ronald H. Dahms
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Patent number: 4207402Abstract: The present invention relates to a foamable alloy composition comprising, a styrenic polymer including its copolymers and rubber reinforced styrenic polymers in combination with a styrene maleic anhydride interpolymer and a gas liberating compound wherein said interpolymer is present in said polyblend in amounts of 15 to 50% by weight providing a superior structural foam molding composition having fast molding cycles and fine cell structure.Type: GrantFiled: October 30, 1978Date of Patent: June 10, 1980Assignee: Monsanto CompanyInventor: William E. Sprenkle, Jr.
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Patent number: 4207401Abstract: This invention relates to an improved foamable resole resin composition comprising a resole resin, a blowing agent and a surfactant wherein said improvement comprises incorporation dispersed calcium oxide particles in said composition providing a foamable resole composition curable to a non-corrosive foam. Methods for preparing, foaming and curing said noncorrosive foams are disclosed.Type: GrantFiled: February 1, 1979Date of Patent: June 10, 1980Assignee: Monsanto CompanyInventor: Ronald H. Dahms