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| Number | Title | Issue Date |
| 5760152 | Crosslinked isocyanate functional polymer supports Insoluble supports are prepared which possess high surface areas and efficiently dispersed isocyanate groups. These reactive supports are useful for covalently binding proteins which preferably are enzymes and provide catalysts for conducting organic reac... | 06/02/1998 |
| 5756633 | Silyl terminated sulfopoly(ester-urethane) compositions Water-dispersible sulfopoly(ester-urethane) compositions which comprise, in their backbone, at least one arylene or alkylene sulfonic acid group or a salt thereof, the polymer being terminated by at least one hydrolyzable silyl group. The compositions of ... | 05/26/1998 |
| 5679779 | Crosslinked isocyanate-functional polymer supports Insoluble supports are prepared which possess high surface areas and efficiently dispersed isocyanate groups. These reactive supports are useful for covalently binding proteins which preferably are enzymes and provide catalysts for conducting organic reac... | 10/21/1997 |
| 5679754 | Low-surface energy sulfo-polyurethane or sulfo-polyurea compositions A water dispersible polymeric composition comprises at least one sulfo group containing segment, which group comprises at least one urethane or urea connecting group, said composition also comprising at least one hydrophobic segment, which segment compris... | 10/21/1997 |
| 5672637 | Stabilized cationically-curable compositions The present invention provides an energy polymerizable composition comprising at least one epoxy monomer or at least one vinyl ether monomer and an initiation system therefor, the initiation system comprising at least one organometallic complex salt and a... | 09/30/1997 |
| 5667893 | Substrate coated or impregnated with flexible epoxy composition The present invention relates to an article comprising a substrate which has coated thereon a photopolymerizable epoxy composition containing a plurality of epoxides including at least one selected from the group consisting of bisphenol A epoxides and cyc... | 09/16/1997 |
| 5639372 | Composite membranes for solid phase extractions and reactions A solid phase extraction or chromatographic medium comprises a porous nonwoven fibrous matrix comprising at least one of polytetrafluoroethylene and blown microfibers, and sorptive or reactive hydrophobic siliceous molecular sieve particulates enmeshed in... | 06/17/1997 |
| 5637506 | Solid phase extraction using composite sheet for direct measurement of radioactivity A method of radiochemical analysis having the steps of providing a solid phase extraction sheet material containing ion-specific sorptive or reactive particles in a porous matrix as carrier for the particles, and providing a fluid including an ion-contain... | 06/10/1997 |
| 5635060 | Composite membranes for solid phase extractions and reactions A solid phase extraction or chromatographic medium comprises a porous nonwoven fibrous matrix comprising at least one of polytetrafluoroethylene and blown microfibers, and sorptive or reactive hydrophobic siliceous molecular sieve particulates enmeshed in... | 06/03/1997 |
| 5620663 | Support plate accommodating and being integrally connected with a plurality of adjacent sample containers The support plate accommodating and being integrally connected with a plurality of adjacent sample containers is disclosed. Each sample container is suitable to accommodate a liquid sample to be separated into components and has an inlet opening and an ou... | 04/15/1997 |
| 5618438 | Method of isolating an analyte using a solid phase extraction medium A functionalized macroporous poly(styrene divinylbenzene) particle comprises at least one ionic functional group covalently bonded thereto, the functionalized particle having sorptive capability towards an analyte, said functional group being present in t... | 04/08/1997 |
| 5616407 | Self-wettable solid phase extraction medium A functionalized macroporous poly(styrene divinylbenzene) particle comprises at least one ionic functional group covalently bonded thereto, the functionalized particle having sorptive capability towards an analyte, said functional group being present in t... | 04/01/1997 |
| 5614105 | Cartridge filters with insoluble enzyme particulates contained thereon Insolubilized enzyme particulates are located on the upstream surface of a filtration layer of a filtering element which can be used in a cartridge filter. Employed in a recycling flow reaction system at relatively high flux rates, the cartridges are usef... | 03/25/1997 |
| 5595649 | Particle-loaded nonwoven fibrous article for separations and purifications A particle loaded, porous, fibrous compressed or fused article comprises a nonwoven fibrous polymeric web, which preferably is thermoplastic, melt-extrudable, and pressure-fusible blown microfibrous web, and sorptive particles enmeshed in said web, the pa... | 01/21/1997 |
| 5574296 | Doping of IIB-VIA semiconductors during molecular beam epitaxy electromagnetic radiation transducer having p-type ZnSe layer An electromagnetic radiation transducer is provided having a p-type ZnSe layer and an n-type layer. The p-type ZnSe layer has a net donor to net acceptor ratio (ND /NA) of less than or equal to about 0.8. The net acceptor concentrati... | 11/12/1996 |
| 5558771 | Composite articles separating mercury from fluids Composite articles are useful for separating mercury from fluids. The composite articles can be porous supports comprising an inert substrate having immobilized thereon finely divided gold optionally in combination with a tin salt coating. The porous supp... | 09/24/1996 |
| 5529686 | Composite membranes for solid phase extractions and reactions A solid phase extraction or chromatographic medium comprises a porous nonwoven fibrous matrix comprising at least one of polytetrafluoroethylene and blown microfibers, and sorptive or reactive hydrophobic siliceous molecular sieve particulates enmeshed in... | 06/25/1996 |
| 5506279 | Acrylamido functional disubstituted acetyl aryl ketone photoinitiators The invention provides novel acrylamide functional disubstituted acetyl aryl ketones and a process for their preparation in high yields uncontaminated by difunctional material. The invention further provides photocrosslinkable compositions comprising one ... | 04/09/1996 |
| 5494981 | Epoxy-cyanate ester compositions that form interpenetrating networks via a Bronsted acid A polymerizable composition of matter comprises a cycloaliphatic epoxy resin, a cyanate ester resin, optionally a polyol, and, as initiator, a Bronsted acid. When cured, the compositions provide interpenetrating polymer networks (IPNs). The IPNs are usefu... | 02/27/1996 |
| 5494943 | Stabilized cationically-curable compositions The present invention provides an energy polymerizable composition comprising at least one epoxy monomer or at least one vinyl ether monomer and an initiation system therefor, the initiation system comprising at least one organometallic complex salt and a... | 02/27/1996 |
| 5492627 | Method for separating mercury from fluids using composite articles Composite articles are useful for separating mercury from fluids. The composite articles can be porous supports comprising an inert substrate having immobilized thereon finely divided gold optionally in combination with a tin salt coating. The porous supp... | 02/20/1996 |
| 5491206 | Polymerizable compositions containing olefin metathesis catalysts and cocatalysts, and methods of use therefor A polymerizable composition comprises at least one ring-strained non-conjugated cyclic olefin, a two-part transition metal-containing catalyst wherein said transition metal is selected from the group consisting of Periodic Groups 6 to 10, said catalyst be... | 02/13/1996 |
| 5478466 | Cartridge filters with insoluble enzyme particulates contained thereon Insolubilized enzyme particulates are located on the upstream surface of a filtration layer of a filtering element which can be used in a cartridge filter. Employed in a recycling flow reaction system at relatively high flux rates, the cartridges are usef... | 12/26/1995 |
| 5470532 | Composite reactive articles for the determination of cyanide Composite reactive articles are useful for quantifying cyanide ions in solution. The composite reactive articles can be porous reactive supports comprising an inert substrate having immobilized thereon finely divided gold. The porous reactive supports can... | 11/28/1995 |
| 5468847 | Method of isolating and purifying a biomacromolecule The invention provides a method of separating a biomacromolecule which comprises the steps of providing a separation system including a filter element which comprises a composite filtration medium, the composite filtration medium comprising a filtration l... | 11/21/1995 |
| 5468498 | Sulfopolymer/vanadium oxide antistatic compositions Aqueous-based mixtures comprising colloidal vanadium oxide and a dispersed sulfonated polymer impart antistatic properties to coatings on a substrate and to self-supporting articles. The preferred colloidal vanadium oxide is alkoxide derived and provides ... | 11/21/1995 |
| 5464541 | Device and a method for separating liquid samples A device (10) for separating liquid samples has a sample container (12), bottom wall (20) of which has an outlet opening (22) provided therein. The outlet opening (22) is joined by an outlet spout (24) extending in the axial direction of the sample contai... | 11/07/1995 |
| 5462996 | Thermoplastic polymer particles in liquid thermosettable resin A thermosettable resin composition is prepared by admixing a liquid mixture of thermosettable resins such as a polyepoxide and amorphous thermoplastic polymer particles such as a polyetherimide to form a homogeneous cured resin composition. The particles ... | 10/31/1995 |
| 5442089 | Preparation of monocarbamate diols This invention provides synthetic routes for novel single isomers of monocarbamate diols and their polymerization to provide novel polyesters, polyurethanes, polycarbonates, and the like having pendant carbamate groups on the polymer chain. Devices using ... | 08/15/1995 |
| 5427835 | Sulfopolymer/vanadium oxide antistatic compositions Aqueous-based mixtures comprising colloidal vanadium oxide and a dispersed sulfonated polymer impart antistatic properties to coatings on a substrate and to self-supporting articles. The preferred colloidal vanadium oxide is alkoxide derived and provides ... | 06/27/1995 |
| 5415779 | Particle-loaded nonwoven fibrous article for separations and purifications A particle loaded, porous, fibrous compressed or fused article comprises a nonwoven fibrous polymeric web, which preferably is thermoplastic, melt-extrudable, and pressure-fusible blown microfibrous web, and sorptive particles enmeshed in said web, the pa... | 05/16/1995 |
| 5405686 | Article coated with kured homogeneous thermoset resin/thermoplastic particles A woven or nonwoven web, or film (e.g. polyimide) or foil is coated with a homogeneous cured composition comprising a liquid mixture of thermosettable resin(s) such as a polyepoxide and curative(s) such as aromatic polyamines and particles of an amorphous... | 04/11/1995 |
| 5404027 | Buried ridge II-VI laser diode A buried-ridge or buried-heterostructure II-VI laser diode. Polycrystalline II-VI semiconductor such as ZnS, ZnSSe, ZnSe or CdS deposited by vacuum evaporation buries the etched ridge.... | 04/04/1995 |
| 5403902 | Polymeric supports Azlactone-functional polymer supports are useful reactive supports for the attachment of functional materials to provide novel adduct beads. The adduct beads are useful as complexing agents, catalysts, polymeric reagents, chromatographic supports, and as ... | 04/04/1995 |
| 5396103 | Graded composition ohmic contact for P-type II-VI semiconductors A II-VI laser diode including a substrate, a device layer of p-type II-VI semiconductor, an electrode and an ohmic contact layer between the electrode and device layer. The ohmic contact layer comprises a graded composition semiconductor compound includin... | 03/07/1995 |
| 5395791 | Growth of II VI laser diodes with quantum wells by atomic layer epitaxy and migration enhanced epitaxy A method for using atomic layer epitaxy (ALE) and/or migration enhanced epitaxy (MEE) to grow high efficiency quantum wells in II-VI laser diodes. The substrate and previously grown layers of the laser diode are heated to a temperature less than or equal ... | 03/07/1995 |
| 5387492 | Energy-curable cyanate compositions Energy polymerizable compositions comprising at least one cyanate monomer and as curing agent an organometallic compound are disclosed. The compositions are useful in applications requiring high performance, such as high temperature performance; in compos... | 02/07/1995 |
| 5385997 | Bidentate chelating monomers and polymers Novel, linear, film-forming polymers and copolymers can be coated on certain metal surfaces, which polymers or copolymers are derived from one or more classes of ethylenically-unsaturated monomers and include at least one novel monomer having a bidentate ... | 01/31/1995 |
| 5385954 | Energy polymerizable compositions containing organometallic initiators An energy polymerizable composition and process therefore, comprising a cationically polymerizable material and a catalytically effective amount of an ionic salt of an organometallic complex cation as polymerization initiator, said ionic salt of an organo... | 01/31/1995 |
| 5368922 | Prepreg of thermoplastic polymer particles in liquid thermosettable resin A thermosettable resin composition having a viscosity that decreases during processing temperatures and increases as the temperature is raised to curing temperatures is provided. The composition comprises thermosettable resins and thermoplastic particles ... | 11/29/1994 |
