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| Number | Title | Issue Date |
| 8110652 | Polyimide resin A polyimide resin which is soluble in an organic solvent and which has a low coefficient of water absorption, thermosetting properties, high heat resistance and excellent adhesive properties, a method for manufacturing the same, an adhesive and a film each containin... | 02/07/2012 |
| 8097693 | Endless tubular polyimide film The present invention provides a method for producing a high-quality nonconductive or semi-conductive seamless (jointless) tubular polyimide film in a simple, efficient, and economical manner, and the like. More specifically, the invention relates to an electrically... | 01/17/2012 |
| 8093349 | Terminally modified polybranched polyimide, metal-plated terminally modified polybranched polyimide, and method for producing the same A terminally-modified polybranched polyimide which can be efficiently complexed with an inorganic material is obtained by reacting a component (a): tetracarboxylic dianhydride; a component (b): as an amine component, a mixture of a triamine and a diamine (which may ... | 01/10/2012 |
| 8080631 | Siloxane-modified hyperbranched polyimide It is an object of the present invention to provide a siloxane-modified hyperbranched polyimide which has more excellent electric properties (low dielectric property), gas permeability, mechanical properties (low modulus), surface properties (adhesiveness) and the l... | 12/20/2011 |
| 8034893 | Resin resolution composition, polyimide resin, and semiconductor device A resin solution composition comprising (A) a polyamic acid resin, (B) an alkoxysilyl-containing polyamic acid resin, and (C) an organic solvent cures into a product that has good substrate adhesion and heat resistance and is effective in forming a protective film o... | 10/11/2011 |
| 8026338 | Method for producing polyimide film A method for producing a polyimide film comprises the steps of: preparing a polar organic solvent solution of a polyimide precursor obtained by mixing a tetracarboxylic acid dianhydride compound and a diamine compound; adding a dehydrating agent and an imidization c... | 09/27/2011 |
| 8013108 | Process for producing 2, 3, 3′, 4′,-biphenyltetracarboxylic dianhydride 2,3,3′,4′-biphenyltetracarboxylic acid is heat-dehydrated in a molten state at a temperature not lower than 200° C. in a flow of an inert gas in a reactor 10 having at least one reaction vessel 11 by stirring the molten material to produce 2,3,3â€... | 09/06/2011 |
| 7999060 | Tailorable polyimide prepolymer blends, crosslinked polyimides, and articles formed therefrom A tailorable polyimide prepolymer blend comprising an end group component, a dianhydride component, and a diamine component. The dianhydride component includes at least 3,4,3′,4′-benzophenonetetracarboxylic dianhydride (BTDA), derivatives thereof, or combination... | 08/16/2011 |
| 7994274 | Two-stage cure polyimide oligomers A method for using citraconic anhydride and itaconic anhydride as addition cure end caps in reactions for forming polyamic acid oligomers and polyimide oligomers, is provided. Prepregs and high temperature adhesives made from the resulting oligomers, as well as, hig... | 08/09/2011 |
| 7964698 | Wholly aromatic liquid crystalline polyetherimide (LC-PEI) resins The benefits of liquid crystal polymers and polyetherimides are combined in an all-aromatic thermoplastic liquid crystalline polyetherimide. Because of the unique molecular structure, all-aromatic thermotropic liquid crystal polymers exhibit outstanding processing p... | 06/21/2011 |
| 7858734 | Polyimide material and preparation method thereof A polyimide material comprises a polyimide. The polyimide has repeating units of formula (I). The polyimide material further comprises a coupling agent-containing filler. A method for preparing a polyimide material comprises allowing a mixture comprising an a... | 12/28/2010 |
| 7825211 | Single-step-processable polyimides A process for synthesizing formulations for polyimides suitable for use in high-temperature composites in which all reactions other than chain-extension have already taken place prior to making a composite is described, wherein the resulting oligomers comprise a bac... | 11/02/2010 |
| 7691961 | Polyimide film and use thereof A polyimide film in which the dimensional change is reduced when it has undergone a step of laminating a metal on the polyimide film or a step of etching the metal layer to form wiring, and the rate of dimensional change can be stabilized across the entire width is ... | 04/06/2010 |
| 7459518 | Thermoplastic polyimide composition A thermoplastic polyimide composition, comprising a silane-modified polyimide (A); and a polar solvent (B), wherein the silane-modified polyimide (A) is obtained by reacting a polyimide (a) and an epoxy-containing silane (b). The polyimide (a) contains repeating uni... | 12/02/2008 |
| 7438957 | Poly(aryletherimides) for negative birefringent films for LCDs A class of soluble poly(aryletherimides) (PAEIs) having flexible backbones, useful in the manufacture of polymeric optical films are disclosed. The poly(aryletherimides) are dissolved in organic solvents, such as ketones and ketone solvent mixtures and coated on var... | 10/21/2008 |
| 7427654 | Degradable polymides Degradable polyimides are prepared in high yield by polymerizing a monomer containing at least two anhydride groups, and a monomer containing at least two primary amine groups and at least one acidic group, in bulk or in a solvent. The polyimides are very strong in ... | 09/23/2008 |
| 7417108 | Process for production of 2,3,3′,4′-biphenyltetracarboxylic dianhydride A process for producing 2,3,3′,4′-biphenyltetracarboxylic dianhydride (a-BPDA), comprising dehydrating 2,3,3′,4′-biphenyltetracarboxylic acid in an inert gas atmosphere under heating at 180 to 195° C. is disclosed. This process produces high-purity a-BPDA w... | 08/26/2008 |
| 7396572 | Alignment layer and liquid crystal display with the same A liquid crystal display includes; a first and a second display panel facing each other, an alignment layer formed on at least one of the first and the second display panels and including a polyamic acid moieties and a polyimide moieties which form a block copolymer... | 07/08/2008 |
| 7368205 | Polyamide resin, positive-working photosensitive resin composition, method for producing pattern-formed resin film, semiconductor device, display device, and method for producing the semiconductor device and the display device The invention provides a polyamide resin having a structure represented by the formula (1), wherein about 0.1 mol % to about 30 mol % of the total amount of Y in the formula (1) has a structure represented by the formula (2), further a positive-working photosensitiv... | 05/06/2008 |
| 7364835 | Developer-soluble materials and methods of using the same in via-first dual damascene applications Wet-recess (develop) gap-fill and bottom anti-reflective coatings based on a polyamic acid or polyester platform are provided. The polyamic acid platform allows imidization to form a polyimide when supplied with thermal energy. The gap-fill and bottom anti-reflectiv... | 04/29/2008 |
| 7364771 | Method and apparatus for production of fluorine-containing polyimide film A method for producing a fluorine-containing polyimide film excelling in heat resistance, resistance to chemicals, water repellency, dielectric properties, electrical properties, and optical properties and a spin coater suitable for the method are to be provided. A ... | 04/29/2008 |
| 7364797 | Adhesive composition and adhesive film An adhesive composition is provided comprising (A) a polyimide resin containing a diorganopolysiloxane linkage having vinyl groups as organic substituent groups on the backbone, (B) an epoxy resin, and (C) an epoxy resin-curing catalyst. An adhesive film prepared fr... | 04/29/2008 |
| 7354699 | Method for producing alignment mark A method for producing an alignment mark is performed such that the alignment mark can be removed from the surface of a substrate without leaving any trace thereof after the alignment mark has been used for alignment. After a first photoresist layer has been formed ... | 04/08/2008 |
| 7351454 | Composition for forming liquid crystal alignment layer of liquid crystal display The present invention relates to a liquid crystal alignment layer of a liquid crystal display that can minimize drop blemishes of liquid crystal in the ODF process. The present invention provides a composition of a liquid crystal alignment layer comprising a diamine... | 04/01/2008 |
| 7351736 | Therapeutic compositions (II) Method of producing a physiologically acceptable ketosis such as to treat a patient in need of therapy for one or more of Amylotrophic lateral sclerosis, Free Radical disease, Heart failure and Duchenne's muscular dystrophy by oral administration to the patient of a... | 04/01/2008 |
| 7348373 | Polyimide compositions having resistance to water sorption, and methods relating thereto Water absorption resistant polyimide pastes (or solutions), are particularly useful to make electronic screen printable pastes and the electronic components made from these pastes. A group of soluble polyimides and their solvents were discovered to be particularly r... | 03/25/2008 |
| 7349049 | Liquid crystal display apparatus A liquid crystal display apparatus includes a pair of substrates, a liquid crystal layer arranged therebetween, a plurality of electrodes formed on one substrate for applying an electric field substantially in parallel to a face of the substrate, a plurality of acti... | 03/25/2008 |
| 7348496 | Circuit board with organic dielectric layer Embodiments of the present invention include forming a thin, conformal, high-integrity dielectric coating between conductive layers in a via-in-via structure in an organic substrate, using an electrocoating process to reduce loop inductance between the conductive la... | 03/25/2008 |
| 7338716 | Laminate and process for producing the same This invention relates to a laminate comprising an insulating polyimide resin layer etchable by an aqueous alkaline solution and a metal foil. The laminate has an insulating resin layer composed of a plurality of polyimide resin layers on the metal foil and the insu... | 03/04/2008 |
| 7338715 | Low temperature cure polyimide compositions resistant to arc tracking and methods relating thereto The polyimides of the present invention are derived from aliphatic diamines and show advantageous arc tracking performance (i.e., low arc tracking). These polyimides can be cured at low temperatures making them suitable as coverlay compositions in electronic circuit... | 03/04/2008 |
| 7339009 | Cross-linked polyimide and method of making them A cross-linked polyimide is disclosed. The cross-linked polyimide includes a polyimide and at least one oxygenated hydrocarbon. The oxygenated hydrocarbon cross-links the polyimide. A porous cross-linked membrane is also disclosed. The porous cross-linked membrane i... | 03/04/2008 |
| 7327422 | Optical compensation film, display, and process A multilayer optical compensation film comprises one or more optically anisotropic layers X and one or more optically anisotropic layers Z wherein, said each layer X has its optic axis tilted with respect to the plane of said multilayer compensation film, and said e... | 02/05/2008 |
| 7323275 | Photosensitive composition for volume hologram recording and photosensitive medium for volume hologram recording A photosensitive composition and A photosensitive medium for volume hologram recording comprises a photopolymerization reactive compound (a monomer) and any one of the following binder: (a) an organic-inorganic hybrid polymer obtainable by copolymerizing an organome... | 01/29/2008 |
| 7311966 | Porous insulating film and its laminates A porous insulating film comprising a highly heat resistant resin film having a fine porous structure with a mean pore size of 0.01-5 μm in at least the center of the film, and a porosity of 15-80%. A laminate is prepared by forming a heat resistant adhesive layer ... | 12/25/2007 |
| 7300972 | Water-soluble polyimide precursor, aqueous polyimide precursor solution, polyimide, impregnated material with polyimide binder, and laminate A water-soluble polyimide precursor, which can be suitably applied for aromatic polyimides and exhibits a low reduction in heat resistance and mechanical properties, an aqueous solution of the polyimide precursor and a polyimide obtained from the precursor. A heat-r... | 11/27/2007 |
| 7288296 | Multilayer optical compensator, liquid crystal display, and process A multilayer compensator includes one or more polymeric first layers and one or more polymeric second layers. The first layers comprise a polymer having an out-of-plane (Δnth) birefringence not more negative than −0.01 and not more positive than +0.01.... | 10/30/2007 |
| 7282323 | Highly heat-resistant, negative-type photosensitive resin composition Disclosed is a negative type photosensitive resin composition comprising (A) a polyamide having a photopolymerizable unsaturated double bond, (B) a monomer having a photopolymerizable unsaturated double bond, (C) a photopolymerization initiator and (D) a melamine re... | 10/16/2007 |
| 7279543 | Anti-bacterial polymer and method for the preparation thereof, anti-bacterial polymer film and method for the preparation thereof, and article having such a film on the surface thereof An anti-bacterial polymer of the present invention consists of a vapor deposition-polymerization reaction product of a diaminobenzoic acid monomer or halogen atom-containing diamine monomer and a monomer reactive with these monomers. The anti-bacterial polymer can b... | 10/09/2007 |
| 7271340 | Flexible interconnect cable with insulated shield and method of manufacturing A cable assembly having a plurality of wires, each having a first end and an opposed second end. A sheath including an shield encompasses all the wires. The shield is a braid formed of a plurality of braid wires, and each of the braid wires has an insulating coating... | 09/18/2007 |
| 7270858 | Inclined optical compensation film, method for producing the same and liquid crystal display including the same An inclined optical compensation film formed from a non-liquid-crystal polymer, which is useful in a TN mode liquid crystal display. A substrate is coated with a non-liquid-crystal polymer to thereby form a coating film; the non-liquid-crystal polymer of the coating... | 09/18/2007 |
