Patents by Inventor Ross M. Hedrick
Ross M. Hedrick 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: 4696977Abstract: A process for preparing a nylon-6 block copolymer in which a solution comprising an acyllactam, epsilon-caprolactam and magnesium chloride is brought into reactive admixture with a solution of magnesium dilactam in epsilon-caprolactam. The acyllactam magnesium chloride solution is prepared by reaction of an acid halide functional material and magnesium dilactam.Type: GrantFiled: September 12, 1985Date of Patent: September 29, 1987Assignee: DSM Rim Nylon V.O.F.Inventors: Albert Y. Garner, James D. Gabbert, Ross M. Hedrick
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Patent number: 4695611Abstract: Disclosed are lactam polymerization initiators comprising at least two lactam terminal groups of the formula: ##STR1## wherein Q is a lactam residue containing a C.sub.3 to C.sub.11 alkylene group and is bonded to a carbonyl through the nitrogen atom of the lactam; A is an aliphatic or aromatic hydrocarbyl or hydrocarbyl ether group; m is 0 or 1; when m is 0, n is 0 or 1 and p is 1; when m is 1, n is in the range of 1 to 3 and p=n; and an elastomeric backbone derived from a telechelic polyamine containing at least two primary or secondary amine groups. Also disclosed are a process for forming the same; nylon block copolymers produced therefrom; and a process for the polymerization thereof.Type: GrantFiled: November 28, 1986Date of Patent: September 22, 1987Assignee: DSM Rim Nylon V.O.F.Inventors: Edward H. Mottus, Ross M. Hedrick
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Patent number: 4694039Abstract: Unsaturated oligomers and solutions thereof are stabilized with a trisubstituted urea to provide improved storage stability. The stabilized unsaturated oligomer solutions are useful in lactam polymerization processes which yield nylon block copolymers containing unsaturated oligomer segments. The unsaturated oligomers disclosed herein have at least 4 carbons and have pendant thereto at least one hydroxy, amine, epoxy, acyllactam, or acyllactam precursor group.Type: GrantFiled: November 6, 1986Date of Patent: September 15, 1987Assignee: DSM Rim Nylon V.O.F.Inventors: Edward H. Mottus, Ross M. Hedrick, Bernard Silverman
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Patent number: 4677189Abstract: Disclosed are lactam polymerization initiators comprising at least two lactam terminal groups of the formula: ##STR1## wherein Q is a lactam residue containing a C.sub.3 to C.sub.11 alkylene group and is bonded to a carbonyl through the nitrogen atom of the lactam; A is an aliphatic or aromatic hydrocarbyl or hydrocarbyl ether group; m is 0 or 1; when m is 0, n is 0 or 1 and p is 1; when m is 1, n is in the range of 1 to 3 and p=n; and an elastomeric backbone derived from a telechelic polyamine containing at least two primary or secondary amine groups. Also disclosed are a process for forming the same; nylon block copolymers produced therefrom; and a process for the polymerization thereof.Type: GrantFiled: March 11, 1986Date of Patent: June 30, 1987Assignee: DSM Rim Nylon VOFInventors: Edward H. Mottus, Ross M. Hedrick
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Patent number: 4672085Abstract: Unsaturated oligomers and solutions thereof are stabilized with a trisubstituted urea to provide improved storage stability. The stabilized unsaturated oligomer solutions are useful in lactam polymerization processes which yield nylon block copolymers containing unsaturated oligomer segments. The unsaturated oligomers disclosed herein have at least 4 carbons and have pendant thereto at least one hydroxy, amine, epoxy, acyllactam, or acyllactam precursor group.Type: GrantFiled: March 26, 1986Date of Patent: June 9, 1987Assignee: DSM Rim Nylon VOFInventors: Edward H. Mottus, Ross M. Hedrick, Bernard Silverman
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Patent number: 4649177Abstract: A process for preparing a nylon block copolymer which comprises bringing into reactive contact lactam monomer, basic lactam polymerization catalyst and a composition containing one or more lactam functional materials selected from the group represented by the formula: ##STR1## wherein, Q is ##STR2## with Y=C.sub.3 -C.sub.11 alkylene; b is an integer equal to 2 or more;R.sub.1 is an alkyl, aryl, aralkyl, alkyloxy, halogen, aryloxy, or aralkyloxy group;Z is a segment of: (1) a polyether, provided said polyether is not solely polyarylene polyether; (2) a polyester containing polyether or polymeric hydrocarbon segments (3) a hydrocarbon; (4) a polysiloxane; or (5) combinations thereof.Type: GrantFiled: September 11, 1985Date of Patent: March 10, 1987Assignee: DM Rim Nylon VofInventors: James D. Gabbert, Albert Y. Garner, Ross M. Hedrick
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Patent number: 4645800Abstract: A composition containing lactam functional materials, which are useful in the preparation of nylon block polymers, selected from the group consisting of: ##STR1## wherein, Q is ##STR2## with Y=C.sub.3 -C.sub.11 alkylene; b is an integer equal to 2 or more;R.sub.1 is an alkyl, aryl, aralkyl, alkyloxy, halogen, aryloxy, or aralkyloxy group;Z is a segment of: (1) a polyether, provided said polyether is not solely polyarylene polyether; (2) a polyester containing polyether or polymeric hydrocarbon segments (3) a hydrocarbon; (4) a polysiloxane; or (5) combinations thereof.Type: GrantFiled: July 3, 1985Date of Patent: February 24, 1987Assignee: DSM Rim Nylon VOFInventors: James D. Gabbert, Albert Y. Garner, Ross M. Hedrick
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Patent number: 4628075Abstract: A composition containing acid halide functional materials, which are useful in the preparation of nylon block polymers, selected from the group consisting of: ##STR1## wherein, X is a halogen;b is an integer equal to 2 or more;R.sub.1 is an alkyl, aryl, aralkyl, alkyloxy, halogen, aryloxy, or aralkyloxy group; andZ is a segment of: (1) a polyether, provided said polyether is not solely polyarylene polyether; (2) a polyester containing polyether or polymeric hydrocarbon segments (3) a polysiloxane; or (4) combinations thereof.Type: GrantFiled: July 3, 1985Date of Patent: December 9, 1986Assignee: DSM RIM Nylon VOFInventors: James D. Gabbert, Albert Y. Garner, Ross M. Hedrick
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Patent number: 4617355Abstract: A nylon block copolymer prepared from acyl lactam functionalized materials and lactam monomer and cross-linked by a polyfunctional amine.Type: GrantFiled: November 13, 1984Date of Patent: October 14, 1986Assignee: DSM RIM Nylon VOFInventors: James D. Gabbert, Ross M. Hedrick
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Patent number: 4596865Abstract: A process for polymerizing .epsilon.-caprolactam to form a nylon-6 block copolymer in which a reactant stream containing .epsilon.-caprolactam, and a lactam polymerization initiator is brought into polymerizing admixture with a reactant stream containing .epsilon.-caprolactam and a lactam magnesium halide, wherein sufficient 2-oxo-1-pyrrolidinyl compound is added to the admixture either as 2-pyrrolidinone, 2-oxo-pyrrolidinyl magnesium halide or 2-oxo-1-pyrrolidinyl capped initiator compound to enhance the rate of polymerization of the .epsilon.-caprolactam. The lactam polymerization initiator is a telechelic oligomer or polymer containing a backbone which provides elastomeric segments in the nylon-6 block copolymer, and attached to the backbone are activated initiator groups which initiate the polymerization of .epsilon.-caprolactam in the presence of the lactam magnesium halide.Type: GrantFiled: December 17, 1984Date of Patent: June 24, 1986Assignee: Monsanto CompanyInventors: James D. Gabbert, Ross M. Hedrick
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Patent number: 4595746Abstract: A process for polymerizing .epsilon.-caprolactam to form a nylon-6 polymer in which a reactant stream containing .epsilon.-caprolactam and a lactam polymerization initiator is brought into polymerizing admixture with a reactant stream containing .epsilon.-caprolactam and a lactam magnesium halide, wherein sufficient 2-oxo-1-pyrrolidinyl compound is added to the admixture either as 2-pyrrolidinone, 2-oxo-pyrrolidinyl magnesium halide or 2-oxo-1-pyrrolidinyl capped initiator compound to enhance the rate of polymerization of the .epsilon.-caprolactam.Type: GrantFiled: December 17, 1984Date of Patent: June 17, 1986Assignee: Monsanto CompanyInventors: James D. Gabbert, Ross M. Hedrick
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Patent number: 4590243Abstract: A process for preparing a nylon block polymer which comprises bringing into reactive contact lactam monomer, basic lactam polymerization catalyst and a composition containing one or more acyllactam functional materials selected from the group consisting of: ##STR1## wherein, Q is ##STR2## with Y=C.sub.3 -C.sub.11 alkylene; a is an integer equal to 1, 2 or 3;b is an integer equal to 2 or more;R is a di- or a poly- valent group selected from hydrocarbon groups and hydrocarbon groups containing ether linkages;Z is a segment of: (1) a polyether or polymeric hydrocarbon; (2) a polyester containing polyether segments (3) a hydrocarbon; (4) a polysiloxane; or (5) combinations thereof.Type: GrantFiled: February 18, 1983Date of Patent: May 20, 1986Assignee: Monsanto CompanyInventors: James D. Gabbert, Albert Y. Garner, Ross M. Hedrick
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Patent number: 4590244Abstract: A composition containing acid halide functional materials, which are useful in the preparation of nylon block polymers, selected from the group consisting of: ##STR1## wherein, X is a halogen;a is an integer equal to 1, 2 or 3;b is an integer equal to 2 or more;R is a di- or a poly-valent group selected from hydrocarbon groups and hydrocarbon groups containing ether linkages;Z is a segment of: (1) a polyether; (2) a polyester containing polyether polyester hydrocarbon segments, (3) a hydrocarbon; (4) a polysiloxane; or (5) combinations thereof.Type: GrantFiled: February 18, 1983Date of Patent: May 20, 1986Assignee: Monsanto CompanyInventors: James D. Gabbert, Albert Y. Garner, Ross M. Hedrick
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Patent number: 4587305Abstract: Composition for use in preparing a nylon-6 block copolymer in which a solution comprising an acyl-lactam, epsilon-caprolactam and magnesium chloride is brought into reactive admixture with a solution of magnesium dilactam in epsilon-caprolactam. The acyl-lactam magnesium chloride solution is prepared by reaction of an acid halide functional material and magnesium dilactam.Type: GrantFiled: October 9, 1984Date of Patent: May 6, 1986Assignee: Monsanto CompanyInventors: Albert Y. Garner, James D. Gabbert, Ross M. Hedrick
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Patent number: 4581419Abstract: A composition containing acyllactam functional materials, which are useful in the preparation of nylon block polymers, selected from the group consisting of: ##STR1## wherein, Q is ##STR2## with Y=C.sub.3 -C.sub.11 alkylene; a is an integer equal to 1, 2 or 3;b is an integer equal to 2 or more;R is a di- or a poly- valent group selected from hydrocarbon groups and hydrocarbon groups containing ether linkages;Z is a segment of: (1) a polyether; (2) a polyester containing polyether or polymeric hydrocarbon segments; (3) a hydrocarbon; (4) a polysiloxane; or (5) combinations thereof.Type: GrantFiled: February 18, 1983Date of Patent: April 8, 1986Assignee: Monsanto CompanyInventors: James D. Gabbert, Albert Y. Garner, Ross M. Hedrick
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Patent number: 4546147Abstract: The present invention provides compositions which comprise a blend of: p0 (a) from about 10 to about 97 percent by weight of the composition of a polyamide resin having a minimum molecular weight of about 5,000; p0 (b) from about 3 to about 90 percent by weight of the composition of an elastomeric polymer which(1) is selected from a group consisting of poly(ethylene oxide), poly(propylene oxide), polycaprolactone, polytetrahydrofuran, polybutadiene, polyisoprene, polyisobutylene, poly(C.sub.1 -C.sub.8 alkylene acrylate), poly(C.sub.1 -C.sub.4 dialkylene siloxane), poly(ethylene-co-propylene), poly(ethylene-co-carbon monoxide), polyethylene-co-vinyl chloride, and poly(ethylene-co-vinyl acetate) polymers and copolymers and combinations thereof; and(2) contains a minimum of about 0.055 milliequivalents of acyllactam groups per gram of said elastomeric polymer.Type: GrantFiled: November 10, 1982Date of Patent: October 8, 1985Assignee: Monsanto CompanyInventors: James C. Woodbrey, Marlowe V. Moncur, Ross M. Hedrick
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Patent number: 4424254Abstract: This invention relates to construction panels comprising metal-thermoplastic-metal laminates and a process for preparing same, said laminates possessing in combination critical service properties of low coefficient of linear thermal expansion, low inelastic ratio, and excellent flexural stiffness.Type: GrantFiled: July 12, 1982Date of Patent: January 3, 1984Assignee: Monsanto CompanyInventors: Ross M. Hedrick, James C. Woodbrey, James D. Gabbert, Floyd B. Erickson
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Patent number: 4369222Abstract: This invention relates to construction panels comprising metal-thermoplastic-metal laminates and a process for preparing same, said laminates possessing in combination critical service properties of high heat distortion temperature, low coefficient of linear thermal expansion, low inelastic ratio, and lightness in weight.Type: GrantFiled: October 26, 1981Date of Patent: January 18, 1983Assignee: Monsanto CompanyInventors: Ross M. Hedrick, James C. Woodbrey, James D. Gabbert, Floyd B. Erickson
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Patent number: 4223112Abstract: Lactam-polyol-polyacyl lactam block terpolymers having both ester linkages and amide linkages between the monomeric segments of the terpolymer are disclosed. Also disclosed is a process for preparing the above block terpolymers comprising reacting together a lactam, polyol and polyacyl lactam in the presence of a basic lactam polymerization catalyst to form a lactam-polyol-polyacyl lactam block terpolymer.Type: GrantFiled: March 3, 1975Date of Patent: September 16, 1980Assignee: Monsanto CompanyInventors: Ross M. Hedrick, James D. Gabbert
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Patent number: RE30371Abstract: A catalyzed process for the preparation of monomeric and/or polymeric compounds such as esters, polyesters, ester-amides, and polyester-polyamides which result from the reaction of an imide and an alcohol in the presence of a Group IA, IIA, IIB and/or IIIA metal or metal compound, imide-alcohol condensation catalyst.Type: GrantFiled: March 5, 1979Date of Patent: August 12, 1980Assignee: Monsanto CompanyInventors: Ross M. Hedrick, James D. Gabbert