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| Number | Title | Issue Date |
| 8138302 | Polyarylene sulfide and process for producing the same In a production process of a poly(arylene sulfide), a mixture containing an organic amide solvent, an alkali metal hydrosulfide and an alkali metal hydroxide in a proportion of 0.95 to 1.05 mol per mol of the alkali metal hydrosulfide is heated and dehydrated in a d... | 03/20/2012 |
| 8008426 | Organic semiconductor polymer having liquid crystal properties, organic active layer, organic thin film transistor, and electronic device including the same, and methods of fabricating the same Example embodiments relate to an organic semiconductor polymer, in which fused thiophenes having liquid crystal properties and aromatic compounds having N-type semiconductor properties are alternately included in the main chain of the polymer, an organic active laye... | 08/30/2011 |
| 8008425 | Thiophene compound having sulfonyl group and process for producing the same A thiophene compound having sulfonyl groups which is represented by the formula [1]. It has high heat resistance and high unsusceptibility to oxidation and can improve solubility and dispersibility in various solvents. [In ... | 08/30/2011 |
| 7977452 | Janus dendrimers and dendrons This invention provides a cost effective process and new Janus dendrimers where at least two dendrons are attached at the core (with or without a connector group) and where at least two of the dendrons have different functionality. Preferred are those Janus dendrime... | 07/12/2011 |
| 7932347 | Polymer comprising unit comprising fluorocyclopentane ring fused with aromatic ring and organic thin film and organic thin film element both comprising the same A polymer comprising a repeating unit represented by the following general formula (I). (In the formula, Ar1 represents a divalent aromatic hydrocarbon or divalent heterocyclic group, X1, Y1, X2 and Y2 each inde... | 04/26/2011 |
| 7923529 | Oligothiophene-arylene derivatives and organic thin film transistors using the same An oligothiophene-arylene derivative wherein an arylene having n-type semiconductor characteristics is introduced into an oligothiophene having p-type semiconductor characteristics, thereby simultaneously exhibiting both p-type and n-type semiconductor characteristi... | 04/12/2011 |
| 7893190 | Alternating copolymers of phenylene vinylene and oligoarylene vinylene, preparation method thereof, and organic thin film transister comprising the same Disclosed herein are an alternating copolymer of phenylene vinylene and oligoarylene vinylene, a preparation method thereof, and an organic thin film transistor including the same. The organic thin film transistor maintains low off-state leakage current and realizes... | 02/22/2011 |
| 7834132 | Electronic devices An electronic device, such as a thin film transistor containing a semiconductor of Formula/Structure wherein R, R′ and R″ are, for example, independently hydrogen, a suitable hydrocarbon, a suitable hetero-containing gr... | 11/16/2010 |
| 7820782 | Poly(dithienylbenzo[1,2-b:4,5-b′]dithiophene) polymers A polymer of the formula/structure wherein R, R′, and R″ are, for example, a suitable hydrocarbon, a halogen (halide) a hetero-containing group, or mixtures thereof; and n represents the number of repeating groups. ... | 10/26/2010 |
| 7705111 | Poly(alkynylthiophene)s A polymer of the following formula wherein R is a suitable hydrocarbon or a heteroatom containing group; and n represents the number of repeating units. ... | 04/27/2010 |
| 7649076 | Catalyst free polymerization of 3,4-alkylenedioxypyrrole and 3,4-alkylenedioxyfuran A method to prepare halogen end-capped polypyrroles, polyfurans or copolymeric pyrroles and furans is presented that readily occurs in a liquid state as well as a solid state without the need of a catalyst from a dihalopyrrole monomer, dihalofuran monomer, or a mixt... | 01/19/2010 |
| 7619055 | Linked arylamine polymers and electronic devices generated therefrom An electronic device like a thin film transistor containing an arylamine polymer of the formula wherein Ar is aryl or heteroaryl; X represents CH2, sulfur, oxygen, selenium, NR′, or SiR″2 wherein R... | 11/17/2009 |
| 7615607 | Semiconductor polymers A polymer comprising those selected from the group consisting of at least one of Formula (I), Formula (II), or mixtures thereof wherein each R1 to R10 is independently hydrogen, alkyl, aryl, alkoxy, ha... | 11/10/2009 |
| 7608679 | Acene-thiophene copolymers Acene-thiophene copolymers are provided that can be used as semiconductor materials in electronic devices. The acene-thiophene copolymers are of Formula I. In Formula I, Ac is a radical of an acene having 2 to 5 fused aroma... | 10/27/2009 |
| 7541424 | Oligothiophene-arylene derivatives and organic thin film transistors using the same An oligothiophene-arylene derivative wherein an arylene having n-type semiconductor characteristics is introduced into an oligothiophene having p-type semiconductor characteristics, thereby simultaneously exhibiting both p-type and n-type semiconductor characteristi... | 06/02/2009 |
| 7517945 | Polythiophenes and devices thereof Polythiophenes of the formula wherein R is a side chain; m is the number of substituents; A is a divalent linkage; x, y and z represent, respectively, the numbers of R substituted thienylene, unsubstituted thienylene, and d... | 04/14/2009 |
| 7491790 | Sulfide-containing polythiols The present invention relates to sulfide-containing polythiols and their methods of preparation. Sulfide-containing polythiols can have a variety of uses and applications. The sulfide-containing polythiols of the present invention can be especially useful in polyure... | 02/17/2009 |
| 7449542 | Polymers A thienylene-arylene polymer comprised of a repeating segment containing at least one 2,5-thienylene unit selected from (I) and (II), and from about one to about three arylene units selected from (IIIa), (IIIb), and/or (IIIc) | 11/11/2008 |
| 7442760 | Electroactive polymers Electroactive polymeric arylenes and intermediates useful for making such polymers are disclosed. The present invention also provides electroactive compositions comprising the electroactive polymeric arylenes, organic electronic devices which comprise these polymers... | 10/28/2008 |
| 7442758 | Polymer compound for use in electrode material, electrode using the same and nonaqueous solution battery using the same The present invention provides a polymer compound for an electrode material permitting operation at low temperatures and attainment of large capacities, an electrode using the polymer compound, and a nonaqueous solution battery involving the electrode as the positiv... | 10/28/2008 |
| 7442759 | Water-soluble polythiophene polymers The invention provides a water-soluble polymer having formula I: where R1 and R2 are independently —H, -alkylCO2A, —(CH2)n-aryl-(CH2)nCO2... | 10/28/2008 |
| 7439275 | Anion-conducting polymer, composition, and membrane Anion-conducing polymers and membranes with enhanced stability to aqueous alkali include a polymer backbone with attached sulfonium, phosphazenium, phosphazene, and guanidinium residues. Compositions also with enhanced stability to aqueous alkali include a support e... | 10/21/2008 |
| 7432340 | Fluorinated alkyl substituted-thieno[3,4-]thiophene monomers and polymers therefrom Partially and fully fluorinated alkyl substituted thienothiophene monomers (and polymers thereof) wherein the monomers are represented by the formula: wherein R is a partially or fully fluorinated primary, seco... | 10/07/2008 |
| 7432339 | Inferred water analysis in polyphenylene sulfide production A method for producing polyphenylene sulfide (PPS) polymer, including polymerizing reactants in a reaction mixture in a vessel to form PPS polymer in the vessel, measuring values of operating variables of the vessel and/or PPS process, and determining the amount of ... | 10/07/2008 |
| 7425604 | Preformed EMI/RFI shielding compositions in shaped form Electrically conductive preformed compositions comprising sulfur-containing polymers in shaped form and the use of preformed compositions in shaped form to seal apertures are disclosed. The preformed compositions can be used to seal an aperture having EMI/RFI shield... | 09/16/2008 |
| 7423110 | Polysulfone compositions exhibiting very low color and high light transmittance properties and articles made therefrom A polysulfone composition is provided having a total luminous light transmittance of 84% or greater when measured on 0.1 inch thick specimens using ASTM D-1003. The specimens also meet at least one of the following two conditions: 1) a yellowness index (YI) of less ... | 09/09/2008 |
| 7417109 | Polymers for delivering nitric oxide in vivo Disclosed are novel polymers derivatized with at least one —NOx group per 1200 atomic mass unit of the polymer. X is one or two. In one embodiment, the polymer is an S-nitrosylated polymer and is prepared by reacting a polythiolated polymer with a nitro... | 08/26/2008 |
| 7411034 | Sulfide-containing polythiols Provided are methods of preparing sulfide-containing polythiol including (a) introducing asym-dichloroacetone together with a polymercaptan to form a reaction product; and (b) introducing the reaction product of (a) with a material chosen from polymercaptoalkylsulfi... | 08/12/2008 |
| 7402651 | Macromolecular compounds with a core-shell structure Macromolecular compounds having a core-shell structure are described. Also described is a process for preparing such macromolecular compounds, and their use as semiconductors in electronic structural elements. ... | 07/22/2008 |
| 7399433 | Process for preparing n-doping conjugated electroactive polymer using poly(3,4 difluorothiophene) The present invention demonstrates the synthesis by electropolymerization of a new stable n-doping conjugated polymer poly(3,4-difluorothiophene) that may easily be electrochemically characterized. ... | 07/15/2008 |
| 7396899 | Chemical amplification type resist composition The present invention provides a sulfonium salt of the formula (Ia) a polymeric compound comprising a structural unit of the formula (Ib) and a chemical amplification type positiv... | 07/08/2008 |
| 7396897 | N-α- and N-ε-lysine and ornithine compounds comprising a thiol function and cosmetic use thereof The present disclosure relates to the cosmetic use of poly-N-α- and -N-ε-lysine and ornithine compounds comprising a thiol function. The disclosure is also directed towards poly-N-α- and -N-ε-lysine and ornithine compounds comprising a thiol function and also to... | 07/08/2008 |
| 7396900 | Thiourethane-based optical material A composition for making a high-refractive-index resin contains a polythiol compound and a compound containing at least two iso(thio)cyanato groups, the polythiol compound having a dithioacetal, dithioketal, orthotrithioformic ester, or orthotetrathiocarbonic ester ... | 07/08/2008 |
| 7396895 | Branched polyarylene ethers and processes for the preparation thereof Disclosed is a process for preparing branched polyarylene ether polymers by (A) providing a reaction mixture comprising (i) a polyfunctional phenol compound of the formula Ar(OH)x wherein x≧3 and wherein Ar is an aryl moiety or an alkylaryl moiety, prov... | 07/08/2008 |
| 7378039 | Aqueous or non-aqueous solution or dispersion of a polythiophene or thiophene copolymer A process for preparing an aqueous or non-aqueous solution or dispersion of a polythiophene or thiophene copolymer, containing structural units according to formula (I): in which R1 and R2 independentl... | 05/27/2008 |
| 7375176 | Liquid crystal poly(phenylene sulfonic acids) A rigid, rod liquid crystal polymer includes a poly(phenylene sulfonic acid). ... | 05/20/2008 |
| 7371454 | Imageable element comprising sulfated polymers Sulfated polymers, imageable elements containing these polymers, and methods for preparing images useful as lithographic printing plates from these imageable elements are disclosed. The sulfate groups are attached either to aryl groups that are pendent to the polyme... | 05/13/2008 |
| 7361728 | Electrically conducting materials from branched end-capping intermediates The present invention relates to a class of conducting oligomers and polymers and to a method for the preparation of the same. The conducting oligomers and polymers contain an end-capping group, which is non-electrically conductive and contains at least one branch p... | 04/22/2008 |
| 7361729 | Ion-conducting sulfonated polymeric materials Sulfonated polymers are made by the direct polymerization of a sulfonated monomer to form the sulfonated polymers. The types of sulfonated polymers may include polysulfones or polyimides. The sulfonated polymers can be formed into membranes that may be used in proto... | 04/22/2008 |
| 7361623 | Trimerisation and oligomerisation of olefins using a chromium based catalyst The invention provides a mixed heteroatomic ligand for an oligomerisation of olefins catalyst, which ligand includes at least three heteroatoms, of which at least one heteroatom is nitrogen and at least two heteroatoms are not the same. The invention also provides a... | 04/22/2008 |
