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| Number | Title | Issue Date |
| 8110639 | Transparent and flame retardant polysulfone compositions A polysulfone having a first polyphenylene sulfone unit (i.e. PPSU unit) based on one biphenol group and one diphenyl sulfone group and a second sulfone unit (i.e. PSU-AF unit) based on one hexafluorobisphenol A group and one diphenylsulfone group. The polysulfone i... | 02/07/2012 |
| 8058365 | Proton conducting membrane and process for producing the same A proton conductive membrane displays sufficient proton conductivity even at low humidities and low temperatures. The proton conductive membrane includes: a block copolymer including an ion conductive polymer segment (A) and... | 11/15/2011 |
| 7964676 | Crosslinkable sulfonated copolymer and fuel cell including polymeric composition of the same A sulfonated copolymer including a crosslinking functional group and a fuel cell including a polymeric composition of the same are provided. The sulfonated copolymer including a crosslinking functional group can remarkably reduce methanol crossover and maintain supe... | 06/21/2011 |
| 7851565 | Stabilized polymeric thiol reagents Disclosed are water soluble polymeric reagents comprising the structure POLY-[Y—S—W]x, where POLY is a water soluble polymer; Y is a hydrocarbon-based spacer group, x is 1 to 25, and S—W is a thiol, protected thiol, or thiol-reactive derivative. Pre... | 12/14/2010 |
| 7847035 | Polymer electrolyte with aromatic sulfone crosslinking A method is provided for obtaining crosslinked polymers having pendent sulfonic acid groups by crosslinking through the sulfonic acid groups or their precursors with aromatic crosslinkers or aromatic pendent crosslinking groups to form aromatic sulfones. Such crossl... | 12/07/2010 |
| 7834106 | Living synthesis of conducting polymers including regioregular polymers, polythiophenes, and block copolymers Regioregular poly(3-alkylthiophenes) and other polythiophenes can be prepared by living polymerization which have good solubility, processability and environmental stability. The polymerization method can afford regioregular poly(3-alkylthiophenes) in high yields. K... | 11/16/2010 |
| 7807759 | Branched and sulphonated multi block copolymer and electrolyte membrane using the same The present invention relates to a branched and sulphonated multi block copolymer and an electrolyte membrane using the same, more precisely, a branched and sulphonated multi block copolymer composed of the repeating unit represented by formula 1 and a preparation m... | 10/05/2010 |
| 7803885 | Pentathienyl-fluorene copolymer The present invention relates to a pentathienyl-fluorene copolymer having structural units represented by formula (I): here R and R′ are each independently a substituent or H. The invention also relates to a transistor containing this copolymer. The present invent... | 09/28/2010 |
| 7803884 | Block copolymers and use thereof A block copolymer comprising at least one segment having an acid group and at least one segment substantially free from acid groups is provided wherein the segment substantially free from acid groups contains a structure of the following general formula (1): | 09/28/2010 |
| 7786226 | Polymer blend and compositions and methods for using the same A polymer blend having at least one polysulfide component and at least one polythioether component is disclosed. The polymer blend offers numerous advantages, including the ability to compatibilize formulations based on either polysulfide chemistry or polythioether ... | 08/31/2010 |
| 7709583 | Sulfur-containing cyclic olefin resin and its production method A sulfur-containing cyclic olefin resin comprising a unit represented by the following general formula (1) and having a weight average molecular weight of from 1,000 to 1,000,000. (Here, R1 to R6 each ... | 05/04/2010 |
| 7645840 | Frozen, lightweight curable sealant A uniformly premixed sealant is extruded into a packaging form and allowed to pressure equilibrate prior to freezing. Upon warming the sealant begins to cure. The storage of the preformed sealant formulation under cold conditions arrests the activity of cure catalys... | 01/12/2010 |
| 7598326 | Polymer blend and compositions and methods for using the same A polymer blend having at least one polysulfide component and at least one polythioether component is disclosed. The polymer blend offers numerous advantages, including the ability to compatibilize formulations based on either polysulfide chemistry or polythioether ... | 10/06/2009 |
| 7582707 | Aqueous blends and films comprising a first electrically conducting conjugated polymer and a second electrically conducting conjugated polymer An aqueous blend comprising water, a first conjugated polymer having a conductivity of greater than 10−7 S/cm and a second conjugated polymer having a conductivity greater than 10−7 S/cm wherein the conductivities of the first conjugated po... | 09/01/2009 |
| 7504461 | Ion-conductive copolymers containing one or more ion-conducting oligomers The invention provides ion-conductive copolymers that can be used to fabricate proton exchange membranes (PEM's), catalyst coated proton exchange membranes (CCM's) and membrane electrode assemblies (MEA's) which are useful in fuel cells and their application in elec... | 03/17/2009 |
| 7459505 | Block copolymers with acidic groups Block copolymer that can be formed into an ion-conductive membrane are provided. The block copolymer of the invention includes a first polymer block and a second polymer block attached to the first polymer block. The first polymer block has a main polymer chain and ... | 12/02/2008 |
| 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 |
| 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 |
| 7390857 | Crosslinkable and crosslinked polymers Crosslinkable polymeric materials are disclosed useful for the temporal stabilization of a poling-induced noncentrosymmetric host lattice containing guest nonlinear optical chromophores. The materials are also suitable as crosslinkable coatings in the absence of chr... | 06/24/2008 |
| 7368505 | Graft copolymers This invention relates to methods of making graft copolymers, and articles having such graft copolymers. The methods may provide better control than in radicalization or photoinitiated polymerization techniques. For example, a graft copolymer can be prepared by reac... | 05/06/2008 |
| 7361716 | Method of preparing a polymer, method of preparing a compounds, compounds, polymers, and method of manufacturing an electronic device A polymer comprising structural units of the formula I is prepared according to a novel method, in which the starting compound R1 ‘S—(CHR’2)—Ar—(CHR2)—SR1 is polymerized with a base, preferably in an aprotic so... | 04/22/2008 |
| 7354989 | Thioepoxy based polymerizable composition and method for production thereof A polymerizable composition and a manufacturing method thereof are provided, in which the composition is capable of meeting requirements of overcoming decrease in production yield of a resin composed of a thioepoxy compound, the decrease being caused by variations i... | 04/08/2008 |
| 7354679 | Ion conductive random copolymers This invention relates to ion conducting random copolymers that are useful in forming polymer electrolyte membranes used in fuel cells. ... | 04/08/2008 |
| 7351775 | Ion conductive membrane made from a block copolymer and methods of making a block copolymer A block copolymer for use as a solid polymer electrolyte, said block copolymer having at least first and second segments, the first segments being hydrophilic segments provided with acidic substituents for proton transport and the second segments being hydrophobic s... | 04/01/2008 |
| 7338712 | Coating composition for a smoothing and/or polishing element and a grinding wheel provided with said coating composition The invention concerns a coating for a smoothing and/or polishing element, particularly a flexible grinding wheel, provided with a flexible abrasive insert, for smoothing and polishing stone material, consisting essentially of: a blend of epoxy resin and polysulfide... | 03/04/2008 |
| 7332223 | Polymers comprising thieno [3,4-b]thiophene and methods of making and using the same This invention presents polymers and copolymers comprising repeating units of thieno[3,4-b]thiophene. Water-borne dispersions of such polymers and copolymers can be cast by conventional methods to provide uniform, thin films which possess utility in numerous electro... | 02/19/2008 |
| 7312282 | Process of preparation of block copolymers and the block copolymers prepared therefrom Processes for preparing block copolymers and the block copolymers prepared therefrom comprising at least two types of homoblock, all belonging to the polysulfone family, wherein each of the said homoblocks has an identical or different molecular weight of at least 1... | 12/25/2007 |
| 7307138 | Polymer electrolytes and process for their preparation A sulfonated aromatic polyether ketone of the formula (II) [Ar—O—Ar′—CO—Ar′—O—Ar—CO—Ar″—CO—] (II) in which from 1% to 100% of the O-phenylene-CO units are substituted with an SO3M group and sulfonated an... | 12/11/2007 |
| 7301705 | Alicyclic compound for optical material The alicyclic compound of the present invention has a five- or more membered ring structure having an epithioethylene linkage and/or an epidithioethylene linkage, and has tow or more sulfur atoms in its molecule. Optical materials produced by curing the alicyclic co... | 11/27/2007 |
| 7288608 | Degradable thiol-ene polymers A thiol-ene polymeric material is disclosed. The material is produced by the photopolymerization of reactants having thiol and olefin moieties. The material can incorporate encapsulated components, including cells. Additionally, the material can be derivatized by re... | 10/30/2007 |
| 7285325 | Membranes having improved mechanical properties, for use in fuel cells An acid-doped, single-layer or multilayer polymer membrane comprising at least one layer A of a polymer blend with contains: a) from 0.1 to 99.9% by weight of one or more polymers comprising recurring azole units of the formula 1A and/or 1B: ... | 10/23/2007 |
| 7279524 | Method for doping a polymer A method for forming a conjugated polymer which is doped by a dopant includes the steps of (a) adding a doping agent comprising a dopant moiety to a solution containing the conjugated polymer or a precursor thereof and, optionally, a second polymer, the dopant moiet... | 10/09/2007 |
| 7204877 | Anti-reflective coating composition and coating film with excellent stain resistance The present invention relates to a coating composition for forming an anti-reflective coating layer for a display device, comprising a fluorinated silane with low surface tension, a conductive polymer with antistatic properties, water, and a solvent. Thus, the coati... | 04/17/2007 |
| 7202327 | Oligomers and polymers containing sulfonite groups and method for the production thereof The invention relates to novel polymers or oligomers containing at least sulfonite groups (P-(SO2)nX, X=1−(n=1), 2−(n=2) or 3−(n=3) valent metal cation or H+ or ammonium ion NR4+ wherein R=alkyl, aryl, H),... | 04/10/2007 |
| 7196151 | Functionalized main chain polymers A non crosslinked, covalently crosslinked and/or ionically crosslinked polymer, having repeating units of the general formula (1) —K—R— (1) In which K is a bond, oxygen, sulphur, t... | 03/27/2007 |
| 7193021 | Soluble aniline-thiophene copolymers The present invention discloses soluble copolymers of aniline and thiophene having a general formula I. Wherein: m and n each independently represents an integer, with m≧1 and n≧2. R1, R2, R3, R4, R5, R6 and ... | 03/20/2007 |
| 7183017 | Composite polymer electrolytes for proton exchange membrane fuel cells Thin films of inexpensive composite polymer electrolyte membranes containing inorganic cation exchange materials including various clay based fillers are fabricated by solution casting. The membranes exhibit higher ion exchange capacity, proton conductivity and/or l... | 02/27/2007 |
| 7163987 | Thermoplastic molding compositions with an improved melt stability based on polyarlene ether sulfones The present invention relates to molding compositions comprising A) from 39 to 99% by weight of at least one polyarylene ether sulfone built up from bifunctional monomer units, B) from 1 to 20% by weight of at leas... | 01/16/2007 |
| 7163988 | Aromatic sulfonic acid ester derivative, polyarylene, polyarylene having sulfonic acid group and process for producing the same, and polymer solid electrolyte and proton-conductive membrane Disclosed is an aromatic sulfonic acid ester derivative represented by the formula (1); in the formula, X is an atom or a group selected from a halogen atom excluding fluorine, —OSO3CH3 an... | 01/16/2007 |
| 7163998 | Stabilized polymer beads and method of preparation The present invention relates to a polymer particles comprising a polymer bead stabilized by vinylsulfonyl-functionalized polymers grafted to the surface of the bead, as well as a particle composition comprising monodisperse polymer beads stabilized by vinylsulfonyl... | 01/16/2007 |
