Patents by Inventor J. David Eick
J. David Eick 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: 7232852Abstract: A visible light cationically photopolymerizable composition is provided. This composition includes an expanding monomer and a dioxirane. More specifically, the expanding monomer used in this composition is one or more dioxiranyl tetraoxaspiro[5.5]undecanes. The composition of the present invention may be used as a matrix resin for dental restorative materials. Another embodiment of the present invention is various novel dioxiranyl tetraoxaspiro[5.5]undecanes.Type: GrantFiled: February 20, 2004Date of Patent: June 19, 2007Assignee: Curators of the University of MissouriInventors: Cecil C. Chappelow, Charles S. Pinzino, J. David Eick, Andrew J. Holder, Shin-Shi Chen, Li Jeang
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Publication number: 20070072954Abstract: This invention relates to compositions of matter that include a polymerization stress reducing monomer, which may be one of the novel tetraoxaspiroalkanes disclosed herein, and an organosilicon monomer, such as a silorane. These matrix resin compositions may also include a photoinitiator, a photosensitizer, a reaction promoter, and other additives. The photopolymerizable compositions of this invention are useful for a variety of applications including use as dental matrix resin systems, such as restorative composites.Type: ApplicationFiled: September 29, 2006Publication date: March 29, 2007Inventors: Cecil Chappelow, Charles Pinzino, Shin-Shi Chen, J. David Eick
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Patent number: 6825364Abstract: A visible light cationically photopolymerizable composition is provided. This composition includes an expanding monomer and a dioxirane. More specifically, the expanding monomer used in this composition is one or more dioxiranyl tetraoxaspiro[5.5]undecanes. The composition of the present invention may be used as a matrix resin for dental restorative materials. Another embodiment of the present invention is various novel dioxiranyl tetraoxaspiro[5.5]undecanes.Type: GrantFiled: March 5, 2002Date of Patent: November 30, 2004Assignee: Curators of the University of MissouriInventors: Cecil C. Chappelow, Charles S. Pinzino, J. David Eick, Andrew J. Holder, Shin-Shi Chen, Li Jeang
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Publication number: 20040167245Abstract: A visible light cationically photopolymerizable composition is provided. This composition includes an expanding monomer and a dioxirane. More specifically, the expanding monomer used in this composition is one or more dioxiranyl tetraoxaspiro[5.5]undecanes. The composition of the present invention may be used as a matrix resin for dental restorative materials. Another embodiment of the present invention is various novel dioxiranyl tetraoxaspiro[5.5]undecanes.Type: ApplicationFiled: February 20, 2004Publication date: August 26, 2004Applicant: Curators of the University of MissouriInventors: Cecil C. Chappelow, Charles S. Pinzino, J. David Eick, Andrew J. Holder, Shin-Shi Chen, Li Jeang
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Patent number: 6653486Abstract: Photopolymerizable compositions are provided which are the reaction products of a vinyl ether, a photoinitiator system comprising an iodonium salt, a visible light sensitizer, and an electron donor compound. These monomeric/oligomeric compositions may also include epoxides, polyols, spiroorthocarbonates. One embodiment of the present invention is a polymerizable composition comprised of a vinyl ether, a spiroorthocarbonate, and a photoinitiator system. Another embodiment of the present invention is a polymerizable composition comprised of a vinyl ether, an epoxide, a polyol, and a photoinitiator system. Still another embodiment of the present invention is a polymerizable composition comprised of a vinyl ether, an epoxide, a polyol, a spiroorthocarbonate, and a photoinitiator system. Still further, another embodiment of the present invention is certain novel spiroorthocarbonate compounds. Each of these novel spiroorthocarbonate compounds include at least one epoxy group as a substituent.Type: GrantFiled: September 4, 2002Date of Patent: November 25, 2003Assignee: Curators of the University of MissouriInventors: Cecil C. Chappelow, Charles S. Pinzino, J. David Eick
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Publication number: 20030187093Abstract: A visible light cationically photopolymerizable composition is provided. This composition includes an expanding monomer and a dioxirane. More specifically, the expanding monomer used in this composition is one or more dioxiranyl tetraoxaspiro[5.5]undecanes. The composition of the present invention may be used as a matrix resin for dental restorative materials. Another embodiment of the present invention is various novel dioxiranyl tetraoxaspiro [5.5]undecanes.Type: ApplicationFiled: March 5, 2002Publication date: October 2, 2003Applicant: Curators of the UniversityInventors: Cecil C. Chappelow, Charles S. Pinzino, J. David Eick, Andrew J. Holder, Shin-Shi Chen, Li Jeang
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Patent number: 6610759Abstract: An adhesive composition that includes a mixture of a cationically polymerizable component, an acidic component, and an initiator is provided. Preferably, the initiator comprises an iodonium salt, a visible light sensitizer, and an electron donor compound, wherein the initiator has a photoinduced potential greater than or equal to that of N,N-dimethylaniline in a standard solution of 2.9×10−5 moles/g diphenyl iodonium hexafluoroantimonate and 1.5×10−5 moles/g camphorquinone in 2-butanone. This adhesive composition is cationically polymerizable and is able to bond to hard tissue and cationic restorative materials upon curing.Type: GrantFiled: March 6, 2000Date of Patent: August 26, 2003Assignees: Curators of the University of Missouri, 3M Innovative Properties CompanyInventors: Cecil C. Chappelow, Charles S. Pinzino, J. David Eick, James Code, Joel D. Oxman, Sharon M. Rozzi
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Publication number: 20030119931Abstract: Photopolymerizable compositions are provided which are the reaction products of a vinyl ether, a photoinitiator system comprising an iodonium salt, a visible light sensitizer, and an electron donor compound. These monomeric/oligomeric compositions may also include epoxides, polyols, spiroorthocarbonates. One embodiment of the present invention is a polymerizable composition comprised of a vinyl ether, a spiroorthocarbonate, and a photoinitiator system. Another embodiment of the present invention is a polymerizable composition comprised of a vinyl ether, an epoxide, a polyol, and a photoinitiator system. Still another embodiment of the present invention is a polymerizable composition comprised of a vinyl ether, an epoxide, a polyol, a spiroorthocarbonate, and a photoinitiator system.Type: ApplicationFiled: September 4, 2002Publication date: June 26, 2003Applicant: The Curators of the University of MissouriInventors: Joel D. Oxman, Cecil C. Chappelow, Charles S. Pinzino, J. David Eick
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Patent number: 6458865Abstract: Photopolymerizable compositions are provided which are the reaction products of a vinyl ether, a photoinitiator system comprising an iodonium salt, a visible light sensitizer, and an electron donor compound. These monomeric/oligomeric compositions may also include epoxides, polyols, spiroorthocarbonates. One embodiment of the present invention is a polymerizable composition comprised of a vinyl ether, a spiroorthocarbonate, and a photoinitiator system. Another embodiment of the present invention is a polymerizable composition comprised of a vinyl ether, an epoxide, a polyol, and a photoinitiator system. Still another embodiment of the present invention is a polymerizable composition comprised of a vinyl ether, an epoxide, a polyol, a spiroorthocarbonate, and a photoinitiator system. Still further, another embodiment of the present invention is certain novel spiroorthocarbonate compounds. Each of these novel spiroorthocarbonate compounds include at least one epoxy group as a substituent.Type: GrantFiled: January 15, 1999Date of Patent: October 1, 2002Assignees: Curators of the University of Missouri, 3M Innovative Properties CompanyInventors: Cecil C. Chappelow, Charles S. Pinzino, J. David Eick, Joel D. Oxman
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Publication number: 20020013380Abstract: Photopolymerizable compositions are provided which are the reaction products of a vinyl ether, a photoinitiator system comprising an iodonium salt, a visible light sensitizer, and an electron donor compound. These monomeric/oligomeric compositions may also include epoxides, polyols, spiroorthocarbonates. One embodiment of the present invention is a polymerizable composition comprised of a vinyl ether, a spiroorthocarbonate, and a photoinitiator system. Another embodiment of the present invention is a polymerizable composition comprised of a vinyl ether, an epoxide, a polyol, and a photoinitiator system. Still another embodiment of the present invention is a polymerizable composition comprised of a vinyl ether, an epoxide, a polyol, a spiroorthocarbonate, and a photoinitiator system.Type: ApplicationFiled: January 15, 1999Publication date: January 31, 2002Inventors: CECIL C. CHAPPELOW, CHARLES S. PINZINO, J. DAVID EICK, JOEL D. OXMAN
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Patent number: 6022940Abstract: Copolymer compositions are provided, including those which undergo less than .+-.1.0% bulk polymerization shrinkage and are useful as strain-free composites, high-strength adhesives, and precision castings. The copolymer compositions are formed from the cationic initiated polymerization of alicyclic spiroorthocarbonate monomers and epoxy resin monomers or comonomers. A preferred spiroorthocarbonate monomer is 2,3,8,9-di(tetramethylene)-1,5,7,11-tetraoxaspiro-[5,5]undecane. A preferred epoxy resin is a three component epoxy comonomer mixture of (i) diglycidyl ether of bisphenol A, (ii) 3,4-epoxycyclohexanemethyl-3,4-epoxycyclohexane carboxylate, and (iii) vinyl cyclohexene dioxide, preferably in a ratio of 5:4:1 by weight.Type: GrantFiled: September 16, 1996Date of Patent: February 8, 2000Assignee: The Curators of the University of MissouriInventors: Thomas J. Byerley, Cecil C. Chappelow, J. David Eick
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Patent number: 5808108Abstract: Polymeric compositions are provided which are the reaction product of spiroorthocarbonates and epoxy resins and undergo reduced bulk polymerization shrinkage. The spiroorthocarbonates are of the general formula: ##STR1## wherein X=O or S;R.sub.1, and R.sub.2 are independently selected from the group consisting of H, alkyl, aryl, substituted alkyl, and substituted aryl;R.sub.3 and R.sub.4 =--(CH.sub.2).sub.n --O--R.sub.5 ;n=1 or 2;R.sub.5 =alkyl, aryl, substituted aryl, substituted alkyl, ##STR2## R.sub.6 =H, alkyl, aryl, substituted alkyl, or substituted aryl; and R.sub.7 =alkyl, aryl, substituted alkyl, or substituted aryl.Type: GrantFiled: January 15, 1997Date of Patent: September 15, 1998Inventors: Cecil C. Chappelow, J. David Eick, Charles S. Pinzino
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Patent number: 5556896Abstract: Copolymer compositions are provided, including those which undergo less than .+-.1.0% bulk polymerization shrinkage and are useful as strain-free composites, high-strength adhesives, and precision castings. The copolymer compositions are formed from the cationic initiated polymerization of alicyclic spiroorthocarbonate monomers and epoxy resin monomers or comonomers. A preferred spiroorthocarbonate monomer is 2,3,8,9-di(tetramethylene)-1,5,7,11-tetraoxaspiro-[5,5]undecane. A preferred epoxy resin is a three component epoxy comonomer mixture of (i) diglycidyl ether of bisphenol A, (ii) 3,4-epoxycyclohexanemethyl-3,4-epoxycyclohexane carboxylate, and (iii) vinyl cyclohexene dioxide, preferably in a ratio of 5:4:1 by weight.Type: GrantFiled: July 1, 1993Date of Patent: September 17, 1996Assignee: The Curators of the University of MissouriInventors: Thomas J. Byerley, J. David Eick, Cecil C. Chappelow
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Patent number: 5453530Abstract: Compounds are described which are S-(.omega.-hydroxyalkyl) esters of thioacrylic and thiomethacrylic acids. The compounds have the formula: ##STR1## wherein: R is hydrogen or methyl; andn is 1, 2 or 3.These compounds can be used as conditioners to enhance the wettability of dentinal surfaces, can be employed as chemical tracers to characterize the wetting of dentinal surfaces, and can be copolymerized in situ to form potential dentinal bonding systems. The compounds can also be homopolymerized and copolymerized to form other useful products.Type: GrantFiled: March 11, 1994Date of Patent: September 26, 1995Assignees: The Curators of the University of Missouri, Midwest Research InstituteInventors: Thomas J. Byerley, Cecil C. Chappelow, J. David Eick
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Patent number: 5401819Abstract: Novel trans-beta-isocyanatoacrylate esters, their preparation and use in forming novel polymeric compositions, including polymers useful as adhesives, are disclosed. The trans-beta-isocyanatoacrylate esters have the formula: ##STR1## wherein R is C.sub.1 -C.sub.18 linear or branched alkyls; C.sub.5 -C.sub.6 cycloalkyl; aryl; alkaryl; aralkyl; C.sub.1 -C.sub.18 halogenated alkyl; halogenated aryl; C.sub.1 -C.sub.8 alkoxyalkyl; or alkoxyaryl.Type: GrantFiled: August 11, 1994Date of Patent: March 28, 1995Assignee: Curators of the University of MissouriInventors: Thomas J. Byerley, Cecil C. Chappelow, J. David Eick
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Patent number: 5347044Abstract: Novel trans-beta-isocyanatoacrylate esters, their preparation and use in forming novel polymeric compositions, including polymers useful as adhesives, are disclosed. The trans-beta-isocyanatoacrylate esters have the formula: ##STR1## wherein R is C.sub.1 -C.sub.18 linear or branched alkyls; C.sub.5 -C.sub.6 cycloalkyl; aryl; alkaryl; aralkyl; C.sub.1 -C.sub.18 halogenated alkyl; halogenated aryl; C.sub.1 -C.sub.8 alkoxyalkyl; or alkoxyaryl.Type: GrantFiled: April 6, 1992Date of Patent: September 13, 1994Assignee: Curators of the University of MissouriInventors: Thomas J. Byerley, Cecil C. Chappelow, J. David Eick