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| Number | Title | Issue Date |
| 6991851 | Dry-peelable temporary protective coatings A dry-strippable coating composition can be incorporated into a composite article and comprises a dried water-borne polyurethane dispersion including a release additive comprising a releasing co-solvent or other selected release material. When water is removed from ... | 01/31/2006 |
| 6777460 | Curing agents for cationically curable compositions Novel catalyst systems in cationically curable compositions provide colorless cationically cured compositions with improved degree of cure and thermal stability. The curable composition comprises at least one cationically curable monomer and a curing agent comprisin... | 08/17/2004 |
| 6692611 | Method of producing a laminated structure A method of laminating a structure comprises at least two layers and a photopolymerizable adhesive composition between the layers, at least one of the layers being opaque, colored, or reflective. One or both of the layers is transmissive to actinic radiat... | 02/17/2004 |
| 6238753 | Polyimide angularity enhancement layer An angularity enhancement layer in a liquid crystal display, which display comprises a liquid crystal cell, wherein the angularity enhancement layer includes a negative birefringent polyimide layer comprising a plurality of structural units having pendant... | 05/29/2001 |
| 5744574 | Isomaleimides and polymers derived therefrom Isomaleimides and polyisomaleimides can be prepared by a method comprising the steps in sequence: admixing a maleamic acid or polymaleamic acid with an acid halide, reacting the admixture with a tertiary amine at a temperature sufficiently low to suppress... | 04/28/1998 |
| 5738790 | 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... | 04/14/1998 |
| 5709948 | Semi-interpenetrating polymer networks of epoxy and polyolefin resins, methods therefor, and uses thereof A curable composition comprises 0.1 to 50 weight percent of a curable epoxy resin, the weight percent being based on the total resin composition, an effective mount of a curative for the curable epoxy resin, 50 to 99.9 weight percent of at least one of a ... | 01/20/1998 |
| 5702610 | Sheet materials for solid phase extractions and solid phase reactions A sheet article for solid phase extraction or solid phase reaction comprises at least one sorptive polymer pulp, and optionally at least one of sorptive and reactive particulate. The article can be used in a method of separating an analyte from a fluid co... | 12/30/1997 |
| 5700375 | Particle loaded membranes as oxidant scavengers An efficient method removes oxidants from fluids (gases and liquids, particularly air) by means of solid phase extraction or reaction. The solid phase extraction or reaction medium comprises a porous, preferably fibrous, polymeric, membrane or web in whic... | 12/23/1997 |
| 5688370 | Sheet materials for solid phase extractions and solid phase reactions A sheet article for solid phase extraction or solid phase reaction has at least one sorptive polymer pulp at least one of sorptive and reactive particulate. The article can be used in a method of separating an analyte from a fluid by passing a fluid conta... | 11/18/1997 |
| 5474912 | Method for increasing production of microbial metabolites by genetic engineering Targeted gene insertion methodology can increase the production of an antimicrobial metabolite and comprises the steps of: a) identifying the gene in unaltered chromosomal DNA which encodes an enzyme that catalyzes the rate controlling step in a biosynthetic p... | 12/12/1995 |
| 4871671 | Immobilization of biological cells in polytetrafluoroethylene matrix Articles which are composite structure are prepared which comprise a fibrillated polytetrafluoroethylene (PTFE) matrix containing enmeshed and immobilized therein viable cells capable of their usual and continuous biochemical and biological performances. ... | 10/03/1989 |
| 4871824 | Variably crosslinked polymeric supports Azlactone-functional polymer beads 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 enz... | 10/03/1989 |
| 4871790 | Colloidal metals in monomers or polymers A polymeric composition of matter comprises a polymer having dispersed therein at least one of colloidal metal and metal oxide particles in the submicrometer size range, said composition being aqueous-free and free of aliphatic hydrocarbon polymers and th... | 10/03/1989 |
| 4855384 | Sulfonate-containing photopolymer systems An isocyanate-terminated sulfocompound is the reaction product of a polyisocyanate and a sulfopolyol or sulfopolyamine which is the reaction product of one mole of a sulfodicarboxylic acid and about two moles of an aliphatic polyol or polyamine having two... | 08/08/1989 |
| 4855234 | Biologically active protein immobilized with a polymeric fibrous support A composite article is prepared having in sequence a fibrous support which has been subjected to a surface treatment to provide binding sites thereon, a layer of a protein immobilizer compound, and a biologically active protein such as enzyme. The surface... | 08/08/1989 |
| 4855264 | Aluminum oxide/aluminum oxynitride/group IVB metal nitride abrasive particles derived from a sol-gel process The present invention provides a nearly fully dense, microcrystalline, composite ceramic abrasive particle comprising grains of alumina, gamma-aluminum oxynitride and, optionally, a Periodic Group IVB metal nitride in the system Al2 O3 | 08/08/1989 |
| 4852969 | Silyl 2-amidoacetate and silyl 3-amidopropionate compositions and optical fiber made therefrom The present invention provides novel silyl 2-amidoacetates and silyl 3-amidopropionates which are the reaction products of azlactone and silanol reactants. The novel products result from nucleophilic addition of a soluble or insoluble, low or high molecul... | 08/01/1989 |
| 4840992 | Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol) Novel, non-crosslinked copolymers of vinyl trifluoroacetate (VTA) and up to 5 weight percent of the VTA of certain comonomers, such as vinyl eesters, vinyl ethers, or disubstituted ethylene monomers, are disclosed. Solvolysis of these copolymers provides ... | 06/20/1989 |
| 4841021 | Polypyridinium A novel class of polymers comprises one or more dipyridinium units, having the formula ##STR1## contained within the main polymer backbone where Ar1, Ar2, and Ar3 are aromatic or heteroaromatic nuclei each of which ca... | 06/20/1989 |
| 4837290 | Acrylamidoacylated oligomers A composition of matter comprising an acrylamido-acyl or methacrylamido-acyl oligomer derived from at least one nucleophilic oligomer having at least one amino-, hydroxyl-, or thiol-substituted polyoxyalkylene, polyalkyleneimine, polyester, polyolefin, po... | 06/06/1989 |
| 4834909 | Thermochromic double-complex salts Compositions of matter and methods of preparation are described for water and air stable, square planar transition metal double-complex salts which contain isonitrile ligands derivatized with long chain aliphatic groups. These salts are composed of two me... | 05/30/1989 |
| 4831109 | Copolymerizable UV stabilizers This invention describes UV-stabilized step growth polymers such as polyesters, polyurethanes, polycarbonates, and combination thereof. The UV-stabilizing moieties present in these polymers comprise chemically bound, pendant ortho-hydroxydiphenyl ketone b... | 05/16/1989 |
| 4829001 | Enzymatic neutralization of hydrogen peroxide A method for disinfecting a medical device comprising the steps of immersing a medical device in a hydrogen peroxide solution for a time sufficient to disinfect said device, decomposing any residual hydrogen peroxide by use of a catalytically effective am... | 05/09/1989 |
| 4826774 | Vapocheromic double-complex salts Articles comprise transition metal double-complex salts which contain arenyl isonitrile ligands derivatized with long aliphatic chains, the cation being a tetrakis isonitrile platinum ion and the anion being a tetracyanopalladate ion. These double-complex... | 05/02/1989 |
| 4824623 | A method of making bicomponent green and ceramic fibers A continuous, bicomponent, non-vitreous ceramic fiber comprises components existing in a longitudinal side by side relationship wherein each of the components is derived from the different fiber-forming precursor liquid. The precursor liquids are formed i... | 04/25/1989 |
| 4822687 | Silicone release compositions A composite structure comprises a substrate bearing on one or more surfaces a layer comprising an epoxypolysiloxane in which greater than 20% of the siloxane units are substituted by an oxiranyl group-substituted monovalent, non-cyclic, linear or branched... | 04/18/1989 |
| 4816554 | Poly(amido methyl-benzazole) A class of polymers comprises one or more 2-amidomethylbenzazole units, ##STR1## contained within the main polymer backbone, wherein Ar is Ar1 or Ar2, wherein Ar1 is a tetravalent aromatic nucleus having two pairs of ... | 03/28/1989 |
| 4810381 | Composite chromatographic article A composite chromatographic article comprising: (a) a polytetrafluoroethylene fibril matrix, and (b) non-swellable sorptive particles enmeshed in said matrix, the ration of non-swellable sorptive particles to polytetrafluoroethylene being in the range of 19:1 ... | 03/07/1989 |
| 4801562 | Refractory fibers of alumina and amorphous phosphorus pentoxide Refractory fibers comprising a homogeneous mixture of 60 to 95 weight percent amorphous alumina and 40 to 5 weight percent amorphous phosphorus pentoxide. The fibers optionally can contain chloride, and up to 20 weight percent carbon derived from the alum... | 01/31/1989 |
| 4801740 | Acrylate and methacrylate monomers and polymers Polymerizable monomer compounds selected from the group having the formulae: ##STR1## wherein R is hydrogen or methyl; X is fluoro, chloro, bromo, iodo, hydroxyl, perfluoroalkylsulfonoxy of one to three carbon atoms, perfluoroacyloxy of one to three ... | 01/31/1989 |
| 4800180 | Ceramic articles containing silicon carbide A shaped article is described comprising a ceramic matrix and dispersed therein in the range of 5 to 30 weight percent mechanically added silicon carbide, said article having a modulus of elasticity (E) value of at least 10 percent greater than the inhere... | 01/24/1989 |
| 4798814 | Oxidation resistant alumina-silica articles containing silicon carbide and carbon A shaped article comprises a continuous alumina-silica of alumina-boria-silica first phase, an in-situ generated discontinuous carbon second phase, and a discontinuous silicon carbide third phase, said article being stable to an oxidative atmosphere when ... | 01/17/1989 |
| 4797378 | Internally modified ceramic fiber A multicomponent ceramic article which can be a fiber or particle comprises a continuous ceramic matrix phase and at least one in situ-generated discontinuous ceramic or metal phase. Particles can include shapes in the form of beads, flakes, granules, and... | 01/10/1989 |
| 4788308 | Rhodium oxymetallate catalysts Complex rhodium compounds containing rhodium in combination with the ligands carbon monoxide and a plurality of triarylphosphines and have the formulae: wherein alkyl is lower alkyl (C1 to C4), X is a transition element selected from... | 11/29/1988 |
| 4788167 | Aluminum nitride/aluminum oxynitride/group IVB metal nitride abrasive particles derived from a sol-gel process A multiphase, microcrystalline, nearly fully dense ceramic composite has grains comprising 0 to 95 volume percent aluminum nitride, 0 to 95 volume percent polytypes of aluminum nitride, 0 to 95 volume percent gamma-aluminum oxynitride, and 5 to 50 volume ... | 11/29/1988 |
| 4786446 | Process of forming a hydroxy-substitute polymeric shaped article A process for preparing shaped articles and shaped hydrogel articles including ophthalmic devices comprises the steps of preparing a polymer or copolymer comprising units derived from an ethylenically-unsaturated monomer bearing at least one trihaloacetox... | 11/22/1988 |
| 4786657 | Polyurethanes and polyurethane/polyureas crosslinked using 2-glyceryl acrylate or 2-glyceryl methacrylate A crosslinkable polyurethane or polyurethane/polyurea comprises the reaction product of a composition comprising a macrodiol or macrodiamine, 2-gl;yceryl acrylate or 2-glyceryl methacrylate, a diisocyanate, and optionally a small glycol or small diamine a... | 11/22/1988 |
| 4785070 | Imidazolinone-containing copolymer A novel class of heterocyclic polymers and copolymers containing the 2-imidazolin-5-one ring structure is described. These polymers are prepared by reaction of bisazlactones and diamines, with or without suitable condensation monomers; the resultant polya... | 11/15/1988 |
| 4780514 | Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol) Novel, non-crosslinked copolymers of vinyl trifluoroacetate (VTA) and up to 5 weight percent of the VTA of certain comonomers, such as vinyl esters or disubstituted ethylene monomers, are disclosed. Solvoylsis of these copolymers provides novel water-inso... | 10/25/1988 |
