Assignee: University of Akron

Location: Akron, OH
No. of patents: 41

Number	Title	Issue Date
8066914	7-ethynyl-2,4,9-trithiaadamantane and related methods 7-ethynyl-2,4,9-trithiaadamantane and related methods are presented. Manufacturing 7-ethynyl-2,4,9-trithiaadamantane includes the steps of: (1) reducing alkyl 2,4,9-trithiaadamantane-7-carboxylate to produce 7-hydroxymethyl-2,4,9-trithiaadamantane; (2) oxidizing 7-h...	11/29/2011
8057841	Mechanically attached medical device coatings The present invention relates to nanofibrous coatings on medical devices such a surgical mesh or stent, wherein the coating is mechanically attached to the device. The principal mechanism for attaching the coating is through causing the fibers to permeate and entang...	11/15/2011
6984328	Method for removing metals from aqueous solutions using mixed lithic materials The present invention provides a process for removing metals from aqueous solutions. This process entails contacting the aqueous solution with at least one neutralizing agent and at least one precipitating agent that preferentially precipitates metals from the aqueo...	01/10/2006
6930151	Star block copolymers comprising polyisobutylene-B-polyacrylonitrile arms radiating from an aromatic core Block copolymers and star polymers having copolymer arms of PIB-PAN have been synthesized via living carbocationic polymerization and atom transfer radical polymerization in a methylene chloride/cyclohexanone solvent system. ...	08/16/2005
6835774	Block copolymers of lactone and lactam, compatabilizing agents, and compatibilized polymer blends This invention relates to high molecular weight block copolymers of ε-caprolactone and ω-lauryl lactam prepared by sequential bulk polymerization using a mixture of at least one anionic polymerization initiator and optionally at least one co-initiator. A preferred...	12/28/2004
6747096	Block copolymers of lactone and lactam, compatibilizing agents, and compatiblized polymer blends This invention relates to high molecular weight block copolymers of one or more lactones and/or one or more lactams prepared by sequential bulk polymerization using a mixture of at least one anionic polymerization initiator and optionally at least one co-initiator. ...	06/08/2004
6727321	Allylation poly(vinyl chloride) and further functionalization of allyl groups The preparation of allylated poly(vinyl chloride) by utilizing an allyltrialkylsilane in the presence of Friedel-Crafts acids is disclosed. The pendant allyl groups can be further reacted through various functionalization reactions to contain end groups such as epox...	04/27/2004
6486257	Block copolymers of lactone and lactam, compatabilizing agents, and compatibilized polymer blends This invention relates to high molecular weight block copolymers of &3xb5;-caprolactone and ω-lauryl lactam prepared by sequential bulk polymerization using a mixture of at least one anionic polymerization initiator and optionally at least one co-initiat...	11/26/2002
6384147	Poly(vinyl chloride)-g-poly(଱-methylstyrene) having a single glass transition temperature A grafted poly(vinyl chloride) having at least one pendant chain which comprises poly(଱-methylstyrene). The graft copolymer has only a single glass transition temperature of from about 100° C. to about 130° C. The poly(vinyl chloride)-g-poly(...	05/07/2002
5597875	Process to improve chemical and oxidative stability of hydrogenated polymers This invention describes chemical modifications of hydrogenated polymers, particularly thermoplastic elastomers, e.g., Kraton.RTM. G, to increase the chemical resistance thereof. The number of residual reactive unsaturated diene-based mid-blocks were redu...	01/28/1997
5470928	Free radical copper(II)-enolate polymerization initiators The invention describes a redox initiating system consisting of CuII salts, enolizable aldehydes and ketones, and various combinations of coordinating agents for CuII, coordinating agents for CuI, and a strong amine base t...	11/28/1995
5468785	Cobaloxime photoinitiated free radical polymerizations The invention relates to the use of cobaloximes and related cobalt(II) complexes which have essentially planar equatorially coordinated ligands and a pair of axially coordinated ligands which have at least one carbon-cobalt bond, as photoinitiators for fr...	11/21/1995
5267789	Eccentric mounted rotor for mixing solids and liquid in a chamber A device for mixing liquids, solids or combinations thereof, particularly viscous liquids and polymeric solids comprises a mixing vessel having therein a substantially cylindrical mixing chamber; a rotor with a cross-section in the shape of a convex-conve...	12/07/1993
5252620	Microcellular foams Supercritical drying has distinct advantages in generating microcellular materials. The dimensional stability of the polymer is not affected on drying because the supercritical process does not go through the two phase path and therefore the effect of cap...	10/12/1993
5175246	Medical grade adhesives and their preparation Crosslinked hydrogel polymers are made by reacting a disubstituted aliphatic diamine of the general formula (I) or (XI) as given in the specification, with one or more diepoxides having the general formula (II), also as given in the specification, and sub...	12/29/1992
5087691	Poly-phenylated diamines and their use as polycondensation monomers in the synthesis of polyamide, poly(amide-imide), and polyimide polymers New polyphenylated polynuclear aromatic diamines, such as 1,3-bis[4-aminophenyl]-2,3,5-triphenylbenzene, a process for their manufacture and their use as polycondensation components for the manufacture of polyamide, polyamide-imide and polyimide polymers ...	02/11/1992
5082977	Aldehydes by olefin hydroformylation Olefins are reacted with carbon monoxide and hydrogen to produce aldehydes to the near exclusion of alcohols in the presence of a solid phase catalyst consisting essentially of one or more sulfided Group VIII metals....	01/21/1992
5079302	Polymerization process and the polymers thereof A catalytic process for free radically induced polymerization and graft copolymerization of a free radically polymerizable monomer onto a compound in the presence of a free radical initiator, an organic catalyst and in the presence or absence of an organi...	01/07/1992
5075273	Catalyst for destruction of hazardous chorinated wastes and process for preparing the catalyst New alkali metal salt vanadium oxide catalysts have been prepared for the oxidation of chlorinated hydrocarbons. The new catalyst can be supported or unsupported and show excellent activity, selectivity, and resistance to common sulfur containing poisons....	12/24/1991
5075389	଱-(p-phenyl-glycidyl ether)-omega-chloro polyolefin macromonomers and copolymers thereof New ଱-phenyl-glycidyl-ether polyolefin macromonomers and copolymer of these macromonomers and ring opening polymerizable monomers have been prepared. The new copolymers based on these macromonomers form a unique set of copolymers having graft type b...	12/24/1991
5073381	Amphiphilic networks New controlled and/or sustained drug release amphiphilic compositions based on various amphiphilic networks of the present invention are described. New processes for manufacturing amphiphilic networks are also described. These new processes allow for the ...	12/17/1991
5071997	Polyimides comprising substituted benzidines A new class of polyimides and copolyimides made from substituted benzidines and aromatic dianhydrides and other aromatic diamines. The polyimides obtained with said diamines are distinguished by excellent thermal, excellent solubility, excellent electrica...	12/10/1991
5070157	Self reinforced composite of thermotropic liquid crystal polymers Blend of two or more thermotropic liquid crystal polymers and process for preparing same. Blends of this invention contain at least two, preferably only two, thermotropic liquid crystal polymers which are melt processable. These liquid crystal polymers ar...	12/03/1991
5061764	Moldable and/or extrudable poly(enamine ketone-co-alkylene ether) block compolymers A moldable and/or extrudable poly(enamine ketone-co-alkylene ether) block copolymer is disclosed which has the formula shown below: ##STR1## wherein R' is H or alkyl, alkoxyl, cycloalkyl, cycloalkoxyl and aryl and aryloxyl, A is a poly(enamine ketone...	10/29/1991
5028135	Combined high spatial resolution and high total intensity selection optical train for laser spectroscopy An improved method of collecting quasi-elastic light scattering (also known as QELS) data and time-average intensity simultaneously is disclosed, as is a novel apparatus therefor. The apparatus utilizes a pair of matched novel optical elements that elimin...	07/02/1991
5021475	Composite thermoplastic elastomer blend and process for preparing the same Thermoplastic elastomer blends comprising a thermoplastic elastomer and 1-20% by weight of a water insoluble alkyl cellulose exhibit improved mechanical properties compared to the unblended thermoplastic elastomer. The preferred thermoplastic blend of end...	06/04/1991
4939184	Polyurethane foam The invention relates to a polyurethane foam, more particularly relates to a polyurethane foam having excellent tensile strength, resistance to moist heat, resistance to heat, together with excellent waterproofness, and low impact resilience. Such a polyu...	07/03/1990
4937269	Macrophage stimulation by homologs or analogs of quadrol Quadrol and homologs and analogs thereof have been found to stimulate macrophage activity in warm blooded animals. As a consequence, these compounds may be used to combat bacterial infection, remove degenerated tissue, and promote new tissue growth. Quadr...	06/26/1990
4929683	Living polymerization of olefin to end-functionalized polymers This invention provides a novel catalyst composed of a complex of an organic ether and a Lewis acid, preferably boron trichloride that can add olefin monomers to increase the molecular weight of the complex from as low as 200 to in excess of 100,000 prefe...	05/29/1990
4910321	Living catalysts, complexes and polymers therefrom This invention provides a novel catalyst composed of a complex of an organic acid or its ester and a Lewis acid, preferably boron trichloride that can add olefin monomers to increase the molecular weight of the complex from as low as 200 to in excess of a...	03/20/1990
4898915	Alternating copolymerization of donor monomers having protected amine groups with acceptor monomers A composition and process for making an alternating copolymerization of acceptor monomers such as acrylic acid and derivatives thereof and donor monomers containing free amine groups therein such as an aminostyrene compound. The free amine groups are init...	02/06/1990
4889530	Wound dressing containing acrylate or methacrylate hydrogel polymer Acrylate and methacrylate monoesters and diesters having the following formula (I) ##STR1## wherein R1, R2, R3 are as defined in the specification, are disclosed. These monomers are polymerizable into hydrogen polymer...	12/26/1989
4888389	Amphiphilic polymers and method of making said polymers Amphiphilic polymers having poly A segments of wide molecular weights, viz., about 2,000 to 50,000, and poly B segments of wide molecular weight of a few hundred to 13,000 or more can be made by reacting without regard to sequence, isocyanate with either ...	12/19/1989
4877917	Method of polymerizing ଱,ω-diynes A method of cyclization of ଱,ω-diynes with a transition metal catalyst such as niobium or tantalum salts such as halogen to yield products such as dimers trimers and higher polymers which may have benzo cyclobutene groups, benzocyclopentene groups,...	10/31/1989
4814405	Telechelic polymers made from sterically hindered binifers Sterically hindered binifers are made as well as utilized to produce telechelic polyisobutylenes. The telechelic polymers can be produced at high temperatures, for example minus 30° C....	03/21/1989
4784924	Metal-halogen energy storage device and system A hybrid redox-halogen energy storage device and system has a housing divided into two chambers by a microporous separator. Each chamber can contain an electrolyte such as CrCl3. The microporous separator keeps the Cr+2 io...	11/15/1988
4767885	Sterically hindered binifers telechelic polymers made therefrom Sterically hindered binifers are made as well as utilized to produce telechelic polyisobutylenes. The telechelic polymers can be produced at high temperatures, for example minus 30° C....	08/30/1988
4743654	Single phase blends of polycarbonate and polymethyl methacrylate Clear, transparent, single phase blends of polycarbonate and a polyalkyl methacrylate in which the alkyl radical contains from 1 to about 10 carbon atoms, and in which the polycarbonate and the polyalkyl methacrylate are miscible in all proportions are ob...	05/10/1988
4728698	Liquid crystal fiber-reinforced polymer composite and process for preparing same Novel self-reinforced polymer composites of a base polymer with a melt processable liquid crystal polymer are prepared according to this invention. The base polymer is a flexible chain polymer, e.g. a conventional thermoplastic. Polycarbonate is a particu...	03/01/1988
4524188	Synthesis and copolymerization of asymmetric polymers The invention encompasses the synthesis of telechelic, i.e., terminally functional, macromolecular monomers (macromers) and their subsequent homo- and copolymerization. The macromers produced are asymmetric, having dissimilar head and tail groups which pr...	06/18/1985

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Assignee: University of Akron