Patents by Inventor Ralph Milkovich
Ralph Milkovich 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: 4417029Abstract: Star-block copolymers having functional groups associated with the nucleus of the copolymers have been prepared. The copolymers of from 10-90% by weight of a monovinyl aromatic compound and 10-90% by weight of a conjugated diene have at least 3 arms connected to a polyvinyl aromatic nucleus and up to the same number of polar functional groups attached to said nucleus as there are arms attached thereto.Type: GrantFiled: August 3, 1981Date of Patent: November 22, 1983Assignee: Atlantic Richfield CompanyInventor: Ralph Milkovich
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Patent number: 4409357Abstract: Footwear compounds containing star-block copolymers having functional groups associated with the nucleus of the copolymers have been prepared. The copolymers of from 10-55% by weight of a monovinyl aromatic compound and 45-90% by weight of a conjugated diene have at least 3 arms connected to a polyvinyl aromatic nucleus and up to the same number of polar functional groups attached to said nucleus as there are arms attached thereto.Type: GrantFiled: September 10, 1981Date of Patent: October 11, 1983Assignee: Atlantic Richfield CompanyInventor: Ralph Milkovich
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Patent number: 4408006Abstract: Footwear compounds having greater hardness of compound and more resistance to motor oils have been prepared starting with star-block elastomers of monovinyl aromatic compounds and conjugated dienes. The star-block elastomers have 7 to 12 arms.Type: GrantFiled: June 17, 1981Date of Patent: October 4, 1983Assignee: Atlantic Richfield CompanyInventors: Ralph Milkovich, David R. Warfel
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Patent number: 4346198Abstract: The preparation of a branched, radial block copolymer having improved falling weight impact properties, and having monomodal distribution of molecular structure in the arms of the block copolymer is described.Type: GrantFiled: March 13, 1981Date of Patent: August 24, 1982Assignee: Atlantic Richfield CompanyInventors: Kenneth Doak, Le-Khac Bi, Ralph Milkovich
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Patent number: 4307134Abstract: Polymeric beads for use in forming soft molded articles of low density are produced by formation of a plasticized elastomer-styrene polymeric coating about initial styrene beads, by forming an aqueous suspension of the initial beads, adding thereto an aqueous emulsion of a coating composition consisting of styrenic monomer, a conjugated diene elastomer, and a plasticizer, containing a catalyst and a nonionic surfactant comprising an ethylene oxide condensate of an alkylphenol, the surfactant containing at least thirty moles of ethylene oxide per mole of alkylphenol, and polymerizing the coating composition about the initial beads.Type: GrantFiled: December 22, 1980Date of Patent: December 22, 1981Assignee: Atlantic Richfield CompanyInventors: Ralph Milkovich, David R. Warfel, Elizabeth A. Blommers, Alvin R. Ingram
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Patent number: 4248982Abstract: The preparation of a branched, radial block copolymer having improved falling weight impact properties, and having trimodal distribution of molecular structure in the arms of the block copolymer is described.Type: GrantFiled: April 30, 1979Date of Patent: February 3, 1981Assignee: Arco Polymers, Inc.Inventors: Le-Khac Bi, Ralph Milkovich
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Patent number: 4248983Abstract: The preparation of a branched, radial block copolymer having improved falling weight impact properties, especially at temperatures from room temperature to -40.degree. C. is described.Type: GrantFiled: February 5, 1979Date of Patent: February 3, 1981Assignee: ARCO Polymers, Inc.Inventors: Le-Khac Bi, Ralph Milkovich, Kenneth W. Doak
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Patent number: 4248984Abstract: The preparation of a branched, radial block copolymer having improved falling weight impact properties, especially at temperatures from room temperature to -40.degree. C., and having bimodal distribution of molecular structure in the arms of the block copolymer is described.Type: GrantFiled: May 11, 1979Date of Patent: February 3, 1981Assignee: ARCO Polymers, Inc.Inventors: Le-Khac Bi, Ralph Milkovich, Kenneth W. Doak
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Patent number: 4248981Abstract: The preparation of a branched, radial block copolymer having improved falling weight impact properties, and having trimodal distribution of molecular structure in the arms of the block copolymer is described.Type: GrantFiled: April 30, 1979Date of Patent: February 3, 1981Assignee: ARCO Polymers, Inc.Inventors: Ralph Milkovich, Kenneth Doak, Le-Khac Bi
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Patent number: 4248980Abstract: The preparation of a branched, radial block copolymer having improved falling weight impact properties, and having monomodal distribution of molecular structure in the arms of the block copolymer is described.Type: GrantFiled: April 30, 1979Date of Patent: February 3, 1981Assignee: ARCO Polymers, Inc.Inventors: Le-Khac Bi, Ralph Milkovich
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Patent number: 4221884Abstract: The preparation of a branched, radial block copolymer having improved falling weight impact properties, especially at temperatures from room temperature to -40.degree. C., and having bimodal distribution of molecular structure in the arms of the block copolymer is described.Type: GrantFiled: May 14, 1979Date of Patent: September 9, 1980Assignee: Arco Polymers, Inc.Inventors: Le-Khac Bi, Ralph Milkovich
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Patent number: 4209594Abstract: An elastomeric blend having excellent resistance to oil is made from a block copolymer rubber and a graft copolymer made by copolymerizing a macromolecular monomer with one or more alkyl acrylates. The blends are especially useful in shoe sole compositions to impart oil resistance thereto.Type: GrantFiled: March 27, 1979Date of Patent: June 24, 1980Assignee: Arco Polymers, Inc.Inventors: David Welsh, Ralph Milkovich
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Patent number: 4180530Abstract: The preparation of a branched, radial block copolymer having improved falling weight impact properties, especially at temperatures from room temperature to -40.degree. C. is described.Type: GrantFiled: February 5, 1979Date of Patent: December 25, 1979Assignee: ARCO Polymers, Inc.Inventors: Le-Khac Bi, Ralph Milkovich
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Patent number: 4104330Abstract: The present invention relates to a novel composition of matter comprising: polymerizable "tapered" (or "graded") block macromolecular monomers, each of said polymerizable monomers comprising at least one polymeric segment having at least about 20 uninterrutped recurring monomeric units of at least one anionically polymerized mono-alkenyl-substituted aromatic hydrocarbon and a copolymerized segment of a mono-alkenyl-substituted aromatic hydrocarbon and a conjugated diene; each of said polymerizable monomers terminating with no more than one polymerizable end group containing a moiety selected from the group consisting of vinyl, vinylene, glycol, epoxy, or thioepoxy groups per mole of said polymerizable monomers, said polymerizable monomers denoted as preferably having a substantially uniform molecular weight distribution such that their ratio of Mw/Mn is less than about 1.Type: GrantFiled: May 27, 1976Date of Patent: August 1, 1978Assignee: CPC International Inc.Inventors: Morris J. Danzig, Ralph Milkovich
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Patent number: 4085168Abstract: Disclosed are chemically joined, phase separated self-cured hydrophilic thermoplastic graft copolymers which are copolymers of at least one hydrophilic (water-soluble) ethylenically unsaturated monomer or mixtures thereof (or compounds rendered hydrophilic) and at least one copolymerizable hydrophobic macromolecular monomer having a copolymerizable end group which is copolymerizable with said hydrophilic monomer based on the relative reactivity ratios of the respective copolymerizable moieties, said copolymerizable hydrophobic macromolecular monomer being characterized as having a substantially uniform molecular weight distribution such that its ratio of Mw/Mn is not substantially above about 1.1, and being further characterized as having a molecular weight of at least about 2,000. The copolymers are water-dispersible and water-swellable and are useful in diverse applications such as suspension stabilizers, flocculants, hydrogels (i.e., biomedical hydrogels as contact lenses, artificial organs, etc.Type: GrantFiled: May 7, 1975Date of Patent: April 18, 1978Assignee: CPC International Inc.Inventors: Ralph Milkovich, Mutong T. Chiang
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Patent number: 3989768Abstract: The present invention relates to thermoplastic graft copolymers comprised of copolymeric backbones containing a plurality of uninterrupted repeating units of the backbone polymer and at least one integrally copolymerized moiety per backbone polymer chain having chemically bonded thereto a substantially linear polymer which forms a copolymerized sidechain to the backbone, wherein each of the polymeric sidechains has substantially the same molecular weight and each polymeric sidechain is chemically bonded to only one backbone polymer.Type: GrantFiled: March 28, 1975Date of Patent: November 2, 1976Assignee: CPC International Inc.Inventors: Ralph Milkovich, Mutong T. Chiang
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Patent number: RE31770Abstract: Star-block copolymers having functional groups associated with the nucleus of the copolymers have been prepared. The copolymers of from 10-90% by weight of a monovinyl aromatic compound and 10-90% by weight of a conjugated diene have at least 3 arms connected to a polyvinyl aromatic nucleus and up to the same number of polar functional groups attached to said nucleus as there are arms attached thereto.Type: GrantFiled: January 13, 1984Date of Patent: December 18, 1984Assignee: Atlantic Richfield CompanyInventor: Ralph Milkovich