Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8372942 | Polycarbonate resin, coating liquid containing same, and electrophotographic photosensitive body Provided are: a urethane-based polycarbonate resin, including a repeating unit represented by the general formula [1], and a repeating unit represented by the general formula [2], in which the urethane-based polycarbonate resin has high wear resistance by virtue of ... | 02/12/2013 |
| 7288603 | Polybenzazole compound having sulfonic acid group and/or phosphonic acid group, resin composition containing the same, resin molding, solid polymer electrolyte membrane, solid polymer electrolyte membrane/electrode assembly and method of preparing assembly An object of the present invention is to obtain a novel polymeric material capable of forming a solid polymer electrolyte excellent not only in processability, solvent resistance and durability/stability but also in ion conductivity by introducing sulfonic acid grou... | 10/30/2007 |
| 7273919 | High heat polyethersulfone compositions High heat polyethersulfone compositions are provided which possess unexpectedly high glass transition temperatures. The polyethersulfone compositions comprise structural units derived from phthalimide bisphenols such as 3,3-bis(4 -hydroxyphenyl)-N-phenylphthalimide,... | 09/25/2007 |
| 7235192 | Capped poly(arylene ether) composition and method A method of preparing a capped poly(arylene ether) resin includes reacting a capping agent with a blend of two or more poly(arylene ether) resins having different intrinsic viscosities. Cured compositions prepared from these capped poly(arylene ether) resins exhibit... | 06/26/2007 |
| 7186454 | Dielectric films and materials therefor A material for dielectric films is a polymerizable composition containing an organic solvent, and an adamantanepolycarboxylic acid derivative represented by following Formula (1): wherein X is hydrogen atom, a hy... | 03/06/2007 |
| 7179551 | Poly(arylene ether) data storage media A storage media comprises: a substrate comprising a plastic resin portion, wherein to plastic resin portion comprises poly(arylene ether) and a styrene material selected from the group consisting of polystyrene, styrenic copolymer(s), and reaction products and combi... | 02/20/2007 |
| 7169878 | Diamines, polyimide precursors and polyimides produced by using the diamines, and liquid crystal aligning agents A diamine compound represented by the formula (1): wherein R1 is a trivalent organic group, each of X1 and X2 is a bivalent organic group, X3 is an alkyl or fluoroalkyl... | 01/30/2007 |
| 7148314 | Process for preparation of functionalized polyimides A method for preparation of a sulfonic and or sulfonic acid salt containing polyimide resins comprising melt reaction of a polyimide resin with an organic compound, wherein the organic compound contains at least one aliphatic primary amine functionality and at least... | 12/12/2006 |
| 7132496 | Step-by-step alkylation of polymeric amines The invention relates to the following: a method for step-by-step alkylation of primary polymeric amines by step-by-step deprotonation with a metallo-organic base and a subsequent reaction with an alkyl halide; a method for modifying tertiary polymeric amines with o... | 11/07/2006 |
| 7129318 | RTM and RI processable polyimide resins Polyimide resins that are suitable for processing by resin transfer molding (RTM) and resin infusion (RI) methods at reduced processing temperatures are provided. The inventive RTM and RI processable polyimide resins exhibit melting at temperatures of less than abou... | 10/31/2006 |
| 7115699 | Sulfonated polymer having nitrile-containing hydrophobic block and solid polymer electrolyte Provided are a sulfonated polymer capable of high hot water resistance even if it has an increased amount of the sulfonic groups introduced therein, and a solid polymer electrolyte containing the sulfonated polymer that has high proton conductivity and excellent gen... | 10/03/2006 |
| 7090925 | Dielectric films and materials therefor A material for dielectric films is a polymerizable composition containing an adamantanepolycarboxylic acid represented by following Formula (1): wherein X is a hydrogen atom, a carboxyl group or a hydrocarbon group; and Y1, Y2, Y3 | 08/15/2006 |
| 7087290 | Data storage media utilizing a substrate including a plastic resin layer, and method thereof In one embodiment, a data storage media comprises: a substrate comprising at least one plastic portion, an edge lift height of less than about 8μ, and an axial displacement peak of less than about 500μ under shock or vibration excitation; and at least one data lay... | 08/08/2006 |
| 7087710 | Polymeric surfactants derived from cyclic monomers having pendant fluorinated carbon groups A fluorine containing polymer which acts as a wetting, flow or leveling agent, and has at least one polar group. The polymer has at least one pendant or ether side chain containing from about 1 to about 20 carbon atoms with at least 25% of the hydrogen atoms being r... | 08/08/2006 |
| 7078477 | Process for producing solvent-soluble polyimide In the process of the present invention, a solvent-soluble polyimide is produced by polycondensing at least one tetracarboxylic acid component with at least one diamine component in a solvent in the presence of a tertiary amine. The tetracarboxylic acid component is... | 07/18/2006 |
| 7074880 | Polyimide aerogels, carbon aerogels, and metal carbide aerogels and methods of making same A preparation process of polyimide aerogels that composed of aromatic dianhydrides and aromatic diamines or a combined aromatic and aliphatic diamines is described. Also descried is a process to produce carbon aerogels derived from polyimide aerogel composed of a ri... | 07/11/2006 |
| 7074882 | Polyimide resin for electrical insulating material The present invention provides a polyimide resin for an electrical insulating material which comprises a polyimide resin having a repeating unit represented by general formula (I): wherein R1 represent... | 07/11/2006 |
| 7071282 | Benzimidazole diamine-based polyetherimide compositions and methods for making them Disclosed herein are polyetherimide compositions comprising structural units of the formula: derived from at least one benzimidazole diamine, wherein R1 and R2 are independently selected fro... | 07/04/2006 |
| 7053168 | Method for preparing polyimide and polyimide prepared thereby A method for preparing a polyimide includes introducing a mixture of an oligomer and a solvent to an extruder, removing solvent via at least one extruder vent, and melt kneading the oligomer to form a polyimide. The polyimide has a low residual solvent content. The ... | 05/30/2006 |
| 7041778 | Processable thermally stable addition polyimide for composite applications A novel polyimide resin consisting essentially of 3,3′,4,4′-benzophenonetetracarboxylic dianhydride (BTDA), 3,4,3′,4′-biphenyltetracarboxylic dianhydride (BPDA), 2,2 bis (3′,4′-dicarboxy phenyl) hexafluoro propane dianhydride (6FDA), 2-(3,4-dicarboxyphen... | 05/09/2006 |
| 7041773 | Polyimide sulfones, method and articles made therefrom Polyimide sulfone resins are provided with a glass transition temperature of from 200–350° C., residual volatile species concentration of less than 500 ppm and a total reactive end group concentration of less than about 120 milliequivalents/kilogram resin. The re... | 05/09/2006 |
| 7026436 | Low temperature polyimide adhesive compositions and methods relating thereto The present invention relates to a polyimide adhesive composition having a polyimide derived from an aromatic dianhydride and a diamine component, where the diamine component is preferably about 50 to 90 mole % of an aliphatic diamine and about 10 to 50 mole % of an... | 04/11/2006 |
| 7022810 | Proton exchange membrane materials for the advancement of direct methanol fuel-cell technology A new class of hybrid organic-inorganic materials, and methods of synthesis, that can be used as a proton exchange membrane in a direct methanol fuel cell. In contrast with Nafion® PEM materials, which have random sulfonation, the new class of materials have ordere... | 04/04/2006 |
| 7022809 | Polyimides for anchoring liquid crystals, display devices including same and method for the preparation of said devices The present invention relates to novel polyimides derived from 6FDA and from 3,3-dihydroxy-4,4′-diaminobiphenyl and novel polyimides derived from PMDA and from Bis-AP-AF, having alkyl, arylalkyl, heteroarylalkyl, (cycloalkyl)alkyl, fluoroalkyl or siloxane side gro... | 04/04/2006 |
| 7019103 | Polyamic acid oligomer, polyimide oligomer, solution composition, and fiber-reinforced composite material A terminal-crosslinkable polyamic acid oligomer having 1) heat resistance indicated by Tg of 300° C. or more and a pyrolysis temperature of 500° C. or more, 2) toughness, and 3) capability of allowing an increase in concentration. The polyamic acid oligomer is obt... | 03/28/2006 |
| 7015304 | Solvent free low-melt viscosity imide oligomers and thermosetting polyimide composites This invention relates to the composition and a solvent-free process for preparing novel imide oligomers and polymers specifically formulated with effective amounts of a dianhydride such as 2,3,3′,4-biphenyltetra carboxylic dianydride (a-BPDA), at least one aromat... | 03/21/2006 |
| 7005165 | Photosensitive polyimides for optical alignment of liquid crystals The present invention provides novel polyamic acids and polyimide optical alignment layers for inducing alignment of a liquid crystal medium. The novel compositions comprise reactive diamines containing a C3–C20 linear or branched hydrocarbon... | 02/28/2006 |
| 7001606 | Biocidal polymers based on guanidine salts The invention relates to biocidal polymers based on guanidine salts characterized in that they are representatives of a number of polyoxyalkylene guanidines and their salts and are a product of a polycondensation of guanidine salts with diamines which include two am... | 02/21/2006 |
| 6992165 | Method for making amine-terminated polyarylene polyethers A method for making an amine-terminated polyarylene polyether thermoplastic in which a liquid/solid slurry reaction mixture is formed in an oxygen-free atmosphere. The reaction mixture is composed of a dihydroxyaromatic compound, a dihaloaromatic compound, an amino-... | 01/31/2006 |
| 6991834 | Materials for inducing alignment of liquid crystals and liquid crystal optical elements The present invention provides novel polyamic acids and polyimide optical alignment layers for inducing alignment of a liquid crystal medium. The novel compositions comprise crosslinking diamines containing a C3–C22 linear or branched hydroca... | 01/31/2006 |
| 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 conductivity and are suitable for solid polymer electrolytes in electrochem... | 01/17/2006 |
| 6984714 | Siloxane-modified polyimide resin This invention relates to a siloxane-modified polyimide resin which shows excellent adhesiveness and can be bonded by thermocompression at high temperature even after subjection to thermal hysteresis in the manufacturing step for electronic parts. This polyimide res... | 01/10/2006 |
| 6979721 | Substituted cyclohexene endcaps for polymers with thermal-oxidative stability This invention relates to polyimides having improved thermal-oxidative stability, to the process of preparing said polyimides, and the use of polyimide prepolymers in the preparation of prepregs and composites. The polyimides are particularly useful in the preparati... | 12/27/2005 |
| 6956098 | High modulus polyimide compositions useful as dielectric substrates for electronics applications, and methods relating thereto The substrates of the present invention comprise a polyimide base polymer derived at least in part from collinear monomers together with crankshaft monomers. The resulting polyimide material has been found to provide advantageous properties, particularly for electro... | 10/18/2005 |
| 6949618 | Polymer compound, precursor for the same and thin film-forming method using the same polymer precursor Provided are polyimide and a thin film thereof which have a three-dimensional structure and therefore are excellent in a mechanical strength and a heat resistance as compared with those of conventional linear polyimide. The polyimide is obtained from a salt of multi... | 09/27/2005 |
| 6949619 | Phenolic hydroxyl-bearing polyimide resin, making method and polyimide resin composition A polyimide resin having phenolic hydroxyl radicals in its skeleton is prepared using a diamine bearing an aromatic ring having an amino radical attached thereto and another aromatic ring having a phenolic hydroxyl radical. The polyimide resin and a composition comp... | 09/27/2005 |
| 6927274 | Resin compositions, processes for preparing the resin compositions and processes for forming resin films Polyimide precursors contained in resin compositions of the present invention have a polymer structure unit represented by formula (1) below: wherein chemical structure A2 includes an alicyclic compound but ... | 08/09/2005 |
| 6924348 | Polyamide acid and polyimide, and optical material A polyimide excelling in heat resistance, chemical resistance, water repellency, dielectric characteristics, electrical characteristics, and optical characteristics and a polyamide acid useful as the raw material therefor are provided. Specifically, a polyamide acid... | 08/02/2005 |
| 6919418 | Approach to reduce cyclics formation in 3-CIPA based polyetherimide polymers Methods of reducing the amount of undesirable cyclic oligomer by-products in the production of polyetherimides are disclosed. The resulting polyetherimides have enhanced thermomechanical properties. ... | 07/19/2005 |
| 6919422 | Polyimide resin with reduced mold deposit A polyimide composition and a process to prepare polyimide resins with reduced plate out and mold deposits is described. During resin molding operations the low plate out resins show a longer period of operation between cleaning of equipment leading to more efficien... | 07/19/2005 |
