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| Number | Title | Issue Date |
| 7906600 | Processable filled, curable halogenated isoolefin elastomers The present invention provides an elastomeric composition processable in a curable, filled rubber formulation. The composition comprises a halogenated interpolymer of a C4 to C7 isoolefin and from 3 to 20 weight percent alkylstyrene and compris... | 03/15/2011 |
| 7612156 | Polymers of bromostyrenes having controlled molecular weight A controlled molecular weight polymer of styrene is provided having bromine substituted thereon. Control of molecular weight is achieved by the use of alpha-methyl styrene dimer as a chain transfer agent. The brominated polymer of styrene is useful as a flame retard... | 11/03/2009 |
| 7300743 | Radiation durable organic compounds with high transparency in the vacuum ultraviolet, and method for preparing This invention concerns radiation durable organic compositions which are well-suited for use in 157 nm lithography by virtue of their high transparency and excellent radiation durability, and to a process for the preparation thereof. ... | 11/27/2007 |
| 7250710 | Light-emitting device having grating for aligning light-emissive layer A light-emitting device includes a substrate, a light-emissive layer disposed over the substrate, and a grating for aligning the light-emissive layer. The grating aligns molecules of the emissive layer, so that the device emits polarised. The grating also reduces wa... | 07/31/2007 |
| 7217760 | Water-and-oil repellant composition with improved suitability for cold cure A fluoropolymer-based water-and-oil repellant composition which comprises a copolymer comprising units derived from (a) an ethylenic monomer having a perfluoroalkyl group, (b) an ethylenic monomer having a group comprising an aromatic ring and a halogen atom or halo... | 05/15/2007 |
| 7202296 | Flame retardant compositions and their use Disclosed are flame retardant compositions comprised of (a) brominated anionic styrenic polymer, and (b) at least one polybrominated alpha-omega diphenylalkane having a total of at least 6 bromine atoms directly bonded to the phenyl rings and in the range of 1 to 6 ... | 04/10/2007 |
| 7173125 | Triphosphate oligonucleotide modification reagents and uses thereof Hydrazino, oxyamino and carbonyl-based monomers and methods for incorporation into oligonucleotides during enzymatic synthesis are provided. Modified oligonucleotides are provided that incorporate the monomers provided herein. Immobilized oligonucleotides and oligon... | 02/06/2007 |
| 7108033 | Synthetic rubber that exhibits low hysteresis This invention discloses a rubbery polymer which is comprised of repeat units that are derived from (1) at least one conjugated diolefin monomer, and (2) 0.1 weight percent to 2 weight percent of at least one monomer having the structural formula: ... | 09/19/2006 |
| 7102024 | Functional biopolymer modification reagents and uses thereof Hydrazino, oxyamino and carbonyl-based reagents and methods for incorporation into oligonucleotides during their solid phase synthesis are provided. Modified oligonucleotides are provided that incorporate the reagents provided here in. Immobilized oligonucleotides a... | 09/05/2006 |
| 7087654 | Ion exchange and electrochemical methods and devices employing one-step quaternized and polymerized anion selective polymers The invention provides ion exchange and electrochemical methods and devices employing anion exchange polymers produced by substantially simultaneous quaternization and polymerization reactions. Anion selective polymers are produced in accordance with the invention b... | 08/08/2006 |
| 7081299 | Polypropylene fibers and fabrics The present invention is a meltblown fiber and a fabric manufactured from the fiber comprising reactor grade polypropylene having a melt flow rate of from 100 to 5000 and having less than 50 stereo defects per 1000 units. Further, the polypropylene is typically prod... | 07/25/2006 |
| 7026406 | Syndiotactic styrene polymers and process for the production thereof A syndiotactic styrenic polymer having a narrow molecular weight distribution which is a (co)polymer comprising at least one structural unit represented by the following Formula (1): wherein C1 of a phenyl g... | 04/11/2006 |
| 7019096 | Synthetic rubber that exhibits low hysteresis This invention discloses a rubbery polymer which is comprised of repeat units that are derived from (1) at least one conjugated diolefin monomer, and (2) at least one leaving group-bearing monomer having the structural formula: | 03/28/2006 |
| 7005484 | Polymerization method A method for making a polymer or oligomer comprising the steps of making a first monomer comprising a substituted aromatic or heteroaromatic group by providing an aromatic or heteroaromatic group substituted with first and second director groups, performing metalisa... | 02/28/2006 |
| 6994788 | Sulfonated aromatic polymers, membrane containing said polymers and a method for production and use of the same A sulfonated aromatic polymer comprising the repeating structural unit of the formula I —O—Ar1(SO3R)n—C(CF3)2—Ar1(SO3R)n—O—Ar2—(X—Ar2 | 02/07/2006 |
| 6858676 | Olefin derived copolymer The present invention relates to an olefin derived copolymer and a thermoplastic resin composition using the olefin derived copolymer satisfying the following (1) and (2): (1) tensile strength at break measured based on JIS K6251 is 2.0 or less MPa; and (2) tensile ... | 02/22/2005 |
| 6844371 | Material having separating function An object of the present invention is to provide a separation functional material having more excellent adsorptive separation performance than previously. In order to attain this object, separation functional materials of the present invention are characterized in t... | 01/18/2005 |
| 6833421 | Compound New photoactive polymers, their use as liquid crystal (LC) orientation layers and their use in the construction of unstructured and structured optical and electro-optical elements and multi-layer systems. The new photoactive polymers are crosslinkable polymers that ... | 12/21/2004 |
| 6812309 | Digitally encoded polymers A method for encoding a polymer. The method comprises incorporating, into a polymer formed by polymerizing at least one bulk monomer, from 0.1 ppm to 1% each of at least two additional monomer residues. ... | 11/02/2004 |
| 6812311 | Highly stable packaging substrates A method of producing a highly stable packaging substrate in which are provided a first precursor having a first backbone and a first ethynyl group, and a second precursor having a second backbone and a second ethynyl group. Furthermore provided is a crosslinker hav... | 11/02/2004 |
| 6767979 | Crosslinked polymers and refractive devices formed therefrom A polymer is formed of ethylenically unsaturated monomers including a zwitterionic monomer, an aromatic monomer and a cross-linking monomer. Preferably the crosslinking monomer includes at least one a group containing compound and at least one aliphatic group contai... | 07/27/2004 |
| 6743525 | Aryl-substituted poly-p-arylenevinylenes Aryl-substituted poly-p-arylenevinylenes comprising a repeating unit of the formula (C1), in which one or more of the unsubstituted aromatic carbon atoms may be replaced by nitrogen atoms, —OCm and —OC | 06/01/2004 |
| 6617410 | Propylene copolymers containing styrene units Isotactic-polypropylene-based copolymers having a homogenous distribution of recurring units of formula (1): ##STR1## where R is a hydrogen, halide radical or a hydrocarbyl radical optionally containing an atom selected from oxygen, nitrogen, sulphur, pho... | 09/09/2003 |
| 6573348 | Curable resin composition A curable resin composition containing (A) an aromatic diallyl compound, (B) an acid derivative or an aliphatic group-containing compound having at least 4 (meth)acryl groups in one molecule, (C) divinylbenzene, and (D) a polythiol compound having at leas... | 06/03/2003 |
| 6528605 | Diyne-containing (co)polymer, processes for producing the same, and cured film A diyne-containing (co)polymer which is soluble in organic solvents, has excellent processability, and gives a cured coating film excellent in heat resistance, solvent resistance, and low-dielectric characteristics, and mechanical strength; processes for ... | 03/04/2003 |
| 6512070 | Dual purpose electroactive copolymers Multifunctional electroactive copolymers are provided. The copolymers may be A-B-A triblock copolymers, brush-type graft copolymers, or variations thereof. In a preferred embodiment, the copolymers are "dual use" in that they comprise both a light emittin... | 01/28/2003 |
| 6509507 | Polymerizable biaryls, process for their preparation and their use A process for preparing polymerizable biaryl derivatives comprises reacting an aromatic comprising a 6-membered ring which bears ester or benzylic OH groups in the 1,4 position with a second aromatic in a palladium-catalyzed cross-coupling reaction to giv... | 01/21/2003 |
| 6482907 | Polymerization of olefins Olefins containing selected functional groups such as silyl, ether and alkenyl, and often containing a blocking group, may be copolymerized with unsubstituted olefins such as ethylene and propylene in the presence of certain coordination compounds of nick... | 11/19/2002 |
| 6479600 | Polyolefin containing a terminal phenyl or substituted phenyl group and process for preparing same Functional polyolefin material containing a terminal styrene or styrene derivative unit and having the following molecular structure: ##STR1## in which polyolefin is a homopolymer or copolymer prepared by metallocene-mediated coordination polymerization o... | 11/12/2002 |
| 6472490 | Ethylene-aromatic vinyl compound copolymer and method for its production The present invention provides an ethylene-aromatic vinyl compound copolymer having an aromatic vinyl compound content of from 1 to less than 55% by molar fraction, and otherwise defined in the claims, and compositions and molded products containing same.... | 10/29/2002 |
| 6437051 | Graft copolymer of syndiotactic styrene copolymer The present invention provides a graft copolymer of a syndiotactic styrene/para-alkylstyrene copolymer, having the formula of ##STR1## wherein R1 and R2 are independently selected from the group consisting of hydrogen, alkyl, and pri... | 08/20/2002 |
| 6433115 | Opto-electronic devices fabricated with dual purpose electroactive copolymers Multifunctional electroactive copolymers are provided. The copolymers may be A-B-A triblock copolymers, brush-type graft copolymers, or variations thereof. In a preferred embodiment, the copolymers are "dual use" in that they comprise both a light emittin... | 08/13/2002 |
| 6414101 | Dendritic polymers and making method A dendritic or hyperbranched polymer having a weight average molecular weight of 500-10,000,000 is prepared by polymerizing a hydroxystyrene derivative, adding a branching monomer midway in the polymerization step to introduce branch chains, and repeating... | 07/02/2002 |
| 6410672 | Ion exchange and electrochemical methods and devices employing one-step quaternized and polymerized anion selective polymers The invention provides ion exchange and electrochemical methods and devices employing anion exchange polymers produced by substantially simultaneous quaternization and polymerization reactions. Anion selective polymers are produced in accordance with the ... | 06/25/2002 |
| 6369173 | Process for preparing syndiotactic styrenic polymers by recycling the products The present invention relates to a process of preparing syndiotactic styrenic polymers with a high conversion rate in the form of fine powder, which comprises (a) preparing styrenic polymers in a solid state by reacting a mixture consisting of styrenic mo... | 04/09/2002 |
| 6355756 | Dual purpose electroactive copolymers, preparation thereof, and use in opto-electronic devices Multifunctional electroactive copolymers are provided. The copolymers may be A-B-A triblock copolymers, brush-type graft copolymers, or variations thereof. In a preferred embodiment, the copolymers are "dual use" in that they comprise both a light emittin... | 03/12/2002 |
| 6333385 | Method to produce flame retardant styrenic polymers and product produced thereby Disclosed is a process for producing thermally stabilized styrenic polymers and products produced thereby wherein a pre-formed styrenic polymer is functionalized with a bifunctional Friedel-Crafts-type alkylation or acylation agent to yield a functionaliz... | 12/25/2001 |
| 6252025 | Vinyl hyperbranched polymer with photographically useful end groups Photographically useful materials are disclosed comprising a hyperbranched polymer segment and multiple pendant photographically useful groups. Such materials may be prepared by forming an active hyperbranched polymer segment with multiple functionalized ... | 06/26/2001 |
| 6239242 | Vinylaromatic and olefin pseudoblock polymers There are a number of recent developments relating to co- and homo-polymers of vinyl aromatic monomers. There are syndiotactic polymers of styrene, there are pseudo random polymers of styrene and ethylene. The present invention seeks to provide novel pseu... | 05/29/2001 |
| 6146555 | Brominated copolymer flame retardant additives having improved color characteristics and related method A flame retardant additive comprising a brominated copolymer, wherein the copolymer is a copolymer of styrene and an acrylate or methacrylate monomer defined by the formula ##STR1## where R1 is a methyl group or hydrogen and R2 ... | 11/14/2000 |
