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7838621 |
Preparation of supramolecular polymer containing quadruple hydrogen bonding units in the polymer backbone
The present invention relates to a supramolecular polymer comprising quadruple hydrogen bonding units within the polymer backbone, wherein at least a monomer comprising a 4H-unit is incorporated in...
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7838622 |
Dope and process for the production of fiber from the dope
This invention is to provide a dope that has excellent formability and can be formed into a fiber, a film, pulp-shaped particles and the like by a wet method. This invention is also to provide a...
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7834131 |
Asymmetric polymer film, method for the production and utilization thereof
The present invention relates to an asymmetric polymer film, in particular based on polazoles, a method for the production of the same and its use. The polyazole-based asymmetric polymer film...
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7834130 |
Process for the production of polybenzimidazole from a tetraminobiphenyl and an isophthalic acid
A single-stage melt polymerization process is demonstrated for production of a polybenzimidazole which comprises the following steps. First, a high intensity reactor having a means for controlling...
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7795372 |
Polymer film based on polyazoles, and uses thereof
The present invention relates to a novel polymer film and also polymer fibers and polymers based on polyazoles, which can, owing to its excellent chemical and thermal properties, be used for a...
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7776996 |
Continuous method for the production of polyamides
A continuous process for producing polyamides, their oligomers or mixtures thereof, if appropriate with further reaction products, comprises reaction of aminonitriles or dinitriles and diamines or...
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7741010 |
Laser-decomposable resin composition and pattern-forming material using the same
A laser-decomposable resin composition, includes: (A) a polymer compound containing a structure represented by formula (0) as a repeating unit in a main chain of the polymer compound: wherein R1...
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7696298 |
Poly(arylenebenzimidazole) polymers and copolymers
Polymers and copolymers of formula I: in which m is typically 30 to 500 and n is 0 to 500; Ar is for example, 1,2-phenylene, 1,3-phenylene, 1,4-phenylene, or 2,6-pyridylene; Ar2 and Ar3 are...
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7504475 |
Process for a two stage melt polymerization for the production of polybenzimidazole
A process is presented for the production of high molecular weight polybenzimidazole, in two steps. Step one: provide a first reaction vessel and charge it with at least one aromatic hydrocarbon...
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7244803 |
Poly-o-hydroxyamide, polybenzoxazole from the poly-o-hydroxyamide, electronic component including a polybenzoxazole, and processes for producing the same
A dielectric for aluminum and copper metalizations is stable at high temperatures. Surprisingly, in spite of the elimination of water during the cyclization, the polymeric dielectrics are very...
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7173102 |
Facially amphiphilic polymers as anti-infective agents
Facially amphiphilic polymers and articles made therefrom having biocidal surfaces are disclosed. The polymers can inhibit the growth of microorganisms in contact with the surface or in areas...
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7138483 |
Monomers, conjugated polymers and electronic devices using such polymers
The energy levels (HOMO, LUMO) of the conjugated polymer are tuned independently, so that an energy match on both sides of the device can be accomplished while keeping the emission color in the...
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7064176 |
Coating material for electronic components
The invention relates to novel polyhydroxyamide compounds that, in the form of their oxazoles, ane suited as a coating material, particularly for electronic components. The invention also relates...
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7038007 |
Process for a continuous polymerization for the production of high molecular weight polybenzimidazole
A process for a single-stage melt polymerization for the production of a high molecular weight polybenzimidazole which comprises the steps of: providing a reaction vessel having a means for...
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7030206 |
Polymer electrolyte and proton-conducting membrane
To provide a sulfonic acid group-containing polymer having improved hot water resistance and radical resistance (durability), a solid polymer electrolyte including the polymer, and a...
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7022808 |
Polymers
A polymer having a plurality of 5–6 membered unsaturated rings which may be the same or different, linked together by way of linker chains to form a backbone, at least some of said 5–6 membered uns...
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7005185 |
Quick cure carbon fiber reinforced epoxy resin
An epoxy composition includes an epoxy resin, a latent curing agent, and a catalyst. The composition includes two epoxide groups per molecule, and the latent curing agent is preferably a...
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6998464 |
Method for producing a solution consisting of a polymer containing recurrent azole units, solutions produced according to said method and use of the same
The present invention relates to a method of preparing a solution of a polymer comprising recurring azole units, which comprises dissolving a sufficiently dried polymer comprising recurring azole...
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6987163 |
Modified polybenzimidazole (PBI) membranes for enhanced polymer electrochemical cells
The invention relates to a modified polybenzimidazole (PBI), membranes that are fabricated from these polymers, and their use in electrochemical applications. These membranes have high ionic...
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6979719 |
Coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group
The invention pertains to a coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group. The invention also comprises a...
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6900284 |
POLY-O-HYDROXYAMIDES, POLYBENZOXAZOLES, PROCESSES FOR PRODUCING POLY-O-HYDROXYAMIDES, PROCESSES FOR PRODUCING POLYBENZOXAZOLES, DIELECTRICS INCLUDING A POLYBENZOXAZOLE, ELECTRONIC COMPONENTS INCLUDING THE DIELECTRICS, AND PROCESSES FOR MANUFACTURING THE ELECTRONIC COMPONENTS
Poly-o-hydroxyamides are cyclicized to obtain polybenzoxazoles. The poly-o-hydroxyamides provide effective filling of trenches. In particular, the poly-o-hydroxyamides can fill trenches having a...
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6828412 |
Degradable polymers
A polymer comprising: a polymeric backbone comprising at least one unit having the structure (I), wherein R-R4 comprise groups selected from the group consisting of H, C1-C12 alkyl, C6-C18 aryl,...
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6750317 |
Material and additive for highly crosslinked chemically and thermally stable polyhydroxyamide polymers
Polyhydroxyamides are polymerized to form highly-crosslinked, temperature-stable polymers. The polyhydroxyamides include as their central, parent structure a benzenetricarboxylic acid to which side...
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6740633 |
Polyelectrolyte complexes and a method for production thereof
Polyelectrolyte complexes of cationic and anionic polymers which consist of (a) cationic condensates of (i) at least one amine and (ii) a crosslinking agent from the group consisting of...
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6642347 |
Amine-terminated hyperbranched quinoxaline-amide polymers
Amine-terminated hyperbranched quinoxaline-amide polymers having repeating units of the formula: are useful to initiate bismaleimide polymerization and to increase the toughness of thermosets such...
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6586561 |
Rigid rod ion conducting copolymers
Sulfonated polyimide polymers incorporating bulky monomers are disclosed. The polymers have a liquid crystalline structure and exhibit high conductivity, high water uptake and water stability over...
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6569954 |
Composites from blends of advanced oligomers
The physical properties of high performance composites can be tailored by using blends to make the composites. The resulting composites are relatively easy to make and have long-term, high...
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6518392 |
Dielectric compositions, preparation thereof, and integrated circuit devices fabricated therewith
A novel dielectric composition is provided that is useful in the manufacture of integrated circuit devices and integrated circuit packaging devices. The dielectric composition is prepared by...
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6410677 |
Resin composition for insulating material, and insulating material produced from said resin composition
The present invention provides an insulating material showing excellent thermal propeties and electrical properties in semiconductor applications. That is, the present invention provides: a resin...
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6355357 |
Flexible printed board, polyamic acid and polyamic acid varnish containing same
A flexible printed board, in which a polyimide resulting from the imidation of a polyamic acid obtained by the addition polymerization of diamines and acid dianhydrides is formed as an insulating...
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6340739 |
Polyamide and process for producing the same
A polyamide having repeating units represented by formula (1), wherein R1 represents a divalent hydrocarbon residue optionally having in the structure a heteroatom having no active hydrogen. The...
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6288208 |
Highly branched oligomers, process for their preparation and applications thereof
The present invention relates to a highly branched polyamide oligomer of the general formula (I) as hereinabove defined, to the process for preparing and branched oligomers and to different uses...
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6235868 |
Porphyrinogenic resin systems and polymers derived therefrom
Polymerisable resins which comprise a porphyrinogenic ring system obtained by the reaction of:(a) one or more compounds selected from the group consisting of pyrrole and N-(lower)alkyl pyrroles,...
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6228977 |
Nonlinear optically active copolymers
The nonlinear optically active copolymers according to the invention are polyadducts of at least one organic di- or polycyanate and a nonlinear optically active compound, i.e. a chromophore. These...
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6204356 |
Polybenzoxazole resin and precursor thereof
Heat resistant polybenzoxazole resins useful as layer insulation films and protective films for semiconductor, layer insulation films for multilayer circuits, cover coats for flexible copper-clad...
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6171819 |
Acyl transfer with stabilized transition complex using catalyst with catalytic imidazole (e.g. histidine) function
The invention relates to a method of performing a chemical reaction between a reagent and a substrate, involving an acyl transfer mechanism, in the presence of an imidazole-based catalyst capable...
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6153350 |
Polybenzoxazole and polybenzothiazole precursors
The polybenzoxazole and polybenzothiazole precursors of the invention have the following partial structure: ##STR1## where: A1 to A6 are--independently of one another--H, F, CH3, CF3, OCH3, OCF3,...
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6147183 |
Amphoteric amine based polymers having a net cationic charge and process for their production
Amphoteric amine based polymers having a net cationic charge, wherein the polymers are obtained by reacting (a) at least one amine with (b) at least one crosslinking agent, in a molar ratio of...
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6133661 |
Rotating electric machine usable in radioactive environment
The invention relates to a rotating electric machine including a coil of a wire having thereon an insulating coating comprising a polybenzimidazole. This rotating electric machine is stably...
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6132852 |
Multilayer wiring substrate and method for production thereof
A multilayer wiring substrate using a resin composition comprising polyquinoline compound and bismaleimide compound as essential ingredients between wiring-carrying resin layers as insulating...
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6133405 |
Polyalkanolamide tackifying resins for creping adhesives
Water soluble polyalkanolamides and a process to prepare same by reacting polycarboxylic acid or its anhydride, ester or halide derivative with at least one alkanolamine and optionally with a...
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6111056 |
Cyclic amine based polymers and process for their production
A cyclic amine containing polymer substantially free of primary and secondary amino groups which is prepared by reacting: a) an amine selected from the group consisting of: i) cyclic amines having...
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6100366 |
Cyclic imino ether group containing polymer and production process therefor
The present invention provides: a cyclic imino ether group containing polymer with an extremely reduced amount of residual cyclic imino ether group containing monomer; and a production process...
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6063961 |
Process for preparing cocondensates of aspartic acid amines
A process for preparing cocondensates of aspartic acid and amines by heating aspartic acid and amines in the presence of acidic catalysts comprises supplying the feed region of the extruder with...
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6025457 |
Molten-salt type polyelectrolyte
Novel molten-salt type polyelectrolytes are disclosed which contain as an essential ingredient a molten salt polymer obtained by reacting an imidazolium derivative, such as a 1,3-dialkylimidazolium...
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6015631 |
Luminescent compound for an electroluminescence display device
An organic polymer compound is synthesized by introducing an electron donor and an electron acceptor into a main polymer chain through chemical bonds in the mixing system at a molecular level. An...
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5998573 |
Amino resin composition
A novel amino resin composition produced by reacting one of or a mixture of more than two triazine derivatives of Formula I: ##STR1## wherein, R1, R2, R3, R4, R5 and R6 each represent an...
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5998569 |
Environmentally stable optical filter materials
A composition of matter comprising a polyamic acid/ester having an amide pendant group directly substituting an acid site of the polyamic acid is provided, which composition when cured provides a...
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5990269 |
Copolymer of vinylpyrrolidone and vinylimidazole
The improved water-soluble photosensitive resin composition comprises a high-polymer compound represented by the general formula (I): ##STR1## (where X is Na, K or NH4) and a water-soluble polymer...
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5959070 |
Rigid rod and ladder polymers; a process for making said polymers; a process of producing light using said polymers; and light emitting devices employing said polymers
A class of rigid rod and latter polymers having light emitting capability is provided. Included in this class of polymers are those having novel repeating structural units. These rigid rod and...
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