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| Number | Title | Issue Date |
| 8093347 | Structured organic films A structured organic film comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a multi-segment thick structured organic film. ... | 01/10/2012 |
| 8048979 | Process for synthesis of telechelic urethane acrylate UV curable pre-polymeric materials The present invention involves the design of a radiation curable organic pre polymer resin material based on urethane acrylic linkage synthesized from the natural renewable resource cardanol or a derivative thereof, for coating application. These new molecules have ... | 11/01/2011 |
| 7999058 | Method for producing aromatic polymer A method for producing an aromatic polymer includes polycondensing an aromatic compound represented by formula (I) in the presence of a nickel complex containing a phosphine compound represented by formula (II), wherein, Ar... | 08/16/2011 |
| 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 selected fr... | 04/13/2010 |
| 7652125 | Resin composition, polyimide resin composition, polybenzoxazole resin composition, varnish, resin film and semiconductor device using the same A resin composition having high heat resistance and low dielectric constant after heat treatment, a varnish thereof and a semiconductor device using the same are provided by a resin composition including a compound having a structure represented by the general formu... | 01/26/2010 |
| 7348395 | Synthesis of oligomeric cyanate esters A cyanate ester system is disclosed. An aryl ether oligomer may be made from a dihydroxyaromatic compound and a dihaloaromatic compound in the presence of a base. The oligomer is then reacted with a cyanide compound in the presence of a base to form the cyanate este... | 03/25/2008 |
| 7342085 | Synthesis of oligomeric cyanate esters A cyanate ester system is disclosed. An aryl ether oligomer may be made from a dihydroxyaromatic compound and a dihaloaromatic compound in the presence of a base. The oligomer is then reacted with a cyanide compound in the presence of a base to form the cyanate este... | 03/11/2008 |
| 7307137 | Low dielectric constant materials and methods of preparation thereof The present invention is directed to low dielectric polymers and to methods of producing these low dielectric constant polymers, dielectric materials and layers, and electronic components. In one aspect of the present invention, an isomeric mixture of thermosetting ... | 12/11/2007 |
| 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 |
| 7049386 | Compositions and methods for thermosetting molecules in organic compositions In a method of producing a low dielectric constant polymer, a thermosetting monomer is provided, wherein the thermosetting monomer has a cage compound or aryl core structure, and a plurality of arms that are covalently bound to the cage compound or core structure. I... | 05/23/2006 |
| 7045577 | Nonisocyanate polyurethane materials, and their preparation from epoxidized soybean oils and related epoxidized vegetable oils, incorporation of carbon dioxide into soybean oil, and carbonation of vegetable oils Novel carbonated vegetable oils (such as carbonated soybean oil) are made by reacting carbon dioxide with an epoxidized vegetable oil. The carbonated vegetable oils advantageously may be used for producing nonisocyanate polyurethane materials. ... | 05/16/2006 |
| 7041779 | Rigid-rod benzobisazole polymers incorporating naphthalene-1,5-diyl structure units A benzobisazole polymer having repeating units of the formula: wherein Q is and wherein Z is —O—, —S— or —NH—. A new method for preparing 1,5-naphthalenedicarbo... | 05/09/2006 |
| 6956100 | Polyamide resin-containing varnish and its use An object of the present invention is to provide a polyamide resin composition from which the solvent is easily removed during film formation and which gives a film or adhesive layer reduced in residual solvent content. It is suitable for use especially as vanish. T... | 10/18/2005 |
| 6939940 | Liquid crystalline thermosets from ester, ester-imide, and ester-amide oligomers Main chain thermotropic liquid crystal esters, ester-imides, and ester-amides were prepared from AA, BB, and AB type monomeric materials and were end-capped with phenylacetylene, phenylmaleimide, or nadimide reactive end-groups. The resulting reactive end-capped liq... | 09/06/2005 |
| 6864347 | Nonlinear optical chiral compounds and devices incorporating same The present disclosure is in part directed to optical devices for modulating light comprising compounds which spontaneously align. The disclosure is also directed to electro-optic compounds wherein chromophore substituents are chemically bound to a chiral polymer. I... | 03/08/2005 |
| 6855776 | Amino-terminated polybutadienes Improved amine-terminated polybutadienes (ATPBs) having one or two terminal groups of the formula —CHRNH2 wherein R is C1-C20 alkyl, are prepared by aminating a secondary hydroxyl-terminated polybutadiene having no ether groups. Th... | 02/15/2005 |
| 6818734 | Polybenzazole article and production method thereof The present invention provides a polybenzazole article superior in light resistance, which contains a light-resisting agent that allows for a regular reflectance of the article of not more than 30% in not less than 30% of the wavelength region of from 450 nm to 700 ... | 11/16/2004 |
| 6812290 | Polyarylene copolymers and proton-conductive membrane A polyarylene copolymer which comprises (A) aromatic compound units having a main chain containing one or more electron-withdrawing groups therein and (B) aromatic compound units having a main chain containing no electron-withdrawing groups therein, and a proton-con... | 11/02/2004 |
| 6803441 | Compositions and methods for thermosetting molecules in organic compositions In a method of producing a low dielectric constant polymer, a thermosetting monomer is provided, wherein the thermosetting monomer has a cage compound or aryl core structure, and a plurality of arms that are covalently bound to the cage compound or core structure. I... | 10/12/2004 |
| 6794480 | Monomer containing electron-withdrawing group and electron-donative group, and copolymer and proton-conductive membrane comprising same A monomer containing an electron-withdrawing group and an electron-donative group which can be easily controlled in the upper limit of the amount of a sulfonic acid, which impairs the mechanical properties of a copolymer, and can provide a sulfonated polymer that fo... | 09/21/2004 |
| 6756470 | Oligomeric hydroxy arylether phthalonitiles and synthesis thereof An aromatic ether oligomer or polyaromatic ether comprising the formula: wherein Ar is an independently selected divalent aromatic radical; formed by reacting a dihydroxyaromatic with a dihaloaromatic; and wherein the re... | 06/29/2004 |
| 6740728 | Methods for the preparation of polyesters, poly(ester amide)s and poly(ester imide)s and uses of the materials obtained therefrom The present invention relates to methods for the preparation of polyesters, poly(ester amide)s and poly(ester imide)s. The materials obtained by the methods of present invention are useful as fluid separation membranes and as high performance materials. ... | 05/25/2004 |
| 6737163 | Low-cure powder coatings and methods for using the same Low-cure powder coating compositions are disclosed. The compositions comprise a polyepoxide and a material having the structure wherein R1 is an organic radical having 6 to 25 carbon atoms; R2 is an... | 05/18/2004 |
| 6706835 | Curable compositions containing thiazole functionality Adhesion promoting compounds or resins containing a thiazole functionality (including benzothiazole) and a polymerizable functionality (Z) give improved adhesive strength to metal substrates. A representative structure is the following, in which R1 and R | 03/16/2004 |
| 6623870 | Electroluminescence in light emitting polymers featuring deaggregated polymers In general terms, the present invention includes a light emitting polymeric material the light emitting polymeric material capable of producing electroluminescence upon being provided with a flow of electrons, the light emitting polymeric material compris... | 09/23/2003 |
| 6607795 | Oxygen scavenging compositions comprising polymers derived from aromatic difunctional monomers Herein is disclosed an oxygen scavenging composition, comprising (i) an oxygen scavenging polymer comprising units having structure I: ##STR1## wherein R1 and R2 are independently selected from the group consisting of --O--, --NCO--,... | 08/19/2003 |
| 6555626 | Polyarylene copolymers and proton-conductive membrane A polyarylene copolymer which comprises (A) from 60 to 3 mol % aromatic compound units having a main chain containing one or more electron-withdrawing groups therein and (B) from 40 to 97 mol % aromatic compound units having a main chain containing no ele... | 04/29/2003 |
| 6506872 | Polycyanoaryl ether and method for production thereof A novel polycyanoaryl ether exhibiting excellent heat-resistance, hydrolysis-resistance and weatherability, as well as industrially high general-purpose properties, and the method for the production thereof is to be provided. The polycyanoaryl ether of th... | 01/14/2003 |
| 6482915 | Method for producing liquid crystalline polymer The invention provides a method for producing a thermotropic liquid crystalline polymer of high quality at high yield and in short polymerization time, which method includes polymerizing staring monomers I, II, III, and IV, i.e., (I) an aromatic hydroxyca... | 11/19/2002 |
| 6469123 | Compositions and methods for thermosetting molecules in organic compositions In a method of producing a low dielectric constant polymer, a thermosetting monomer is provided, wherein the thermosetting monomer has a cage compound or aryl core structure, and a plurality of arms that are covalently bound to the cage compound or core s... | 10/22/2002 |
| 6465083 | METHOD OF MAKING VARNISH OF MODIFIED CYANATE ESTER GROUP CURABLE RESIN COMPOSITION, AND PREPREG, METAL CLAD LAMINATED BOARD, FILM, PRINTED CIRCUIT BOARD, AND MULTILAYERED CIRCUIT BOARD USING THE COMPOSITION A modified cyanate ester group curable resin composition, and varnishes, prepregs, laminated boards adhered with metal foil, films, printed circuit boards, and multilayered circuit boards using the same, comprising: (A) a cyanate ester group compound expressed... | 10/15/2002 |
| 6465601 | Transaminated dialkylaminoalkylphenol-3° and 1° amine-containing compound Compounds active as accelerators for curable epoxy and polyurethane systems, those compounds having been prepared by means of a transamination reaction by reacting (a) a substituted phenolic compound (Mannich base) having at least one substituent of formu... | 10/15/2002 |
| 6458993 | Cyanate esters having flame resistant properties The present invention relates to novel aromatic cyanate ester compounds containing at least two rings linked by a group containing an unsaturated group. The present invention further relates to compositions and prepolymers of said novel aromatic cyanate e... | 10/01/2002 |
| 6414104 | Arylamine-substituted poly (arylene vinylenes) and associated methods of preparation and use The invention provides novel conjugated polymers comprised of arylamine-substituted poly(arylene vinylenes). The polymers have the general structure (I) ##STR1## wherein: Ar is arylene, heteroarylene, substituted arylene or substituted heteroarylene ... | 07/02/2002 |
| 6403755 | Polyesters containing phosphazene, method for synthesizing polyesters containing phosphazenes A new phosphazene-based polyester macro-molecule is provided, as is a method for producing the macro-molecule.... | 06/11/2002 |
| 6388044 | Polyether resin and coating solution for forming insulation film The present invention provides a thermosetting polyether resin obtained by polycondensing a dihalogen compound with a bisphenol compound to obtain a polyether resin having a repeating unit represented by the formula (1), and introducing a functional group... | 05/14/2002 |
| 6372881 | Monomers for preparing arylamine-substituted poly(arylene-vinylenes) The invention provides novel conjugated polymers comprised of arylamine-substituted poly(arylene vinylenes). The polymers have the general structure (I) ##STR1## wherein: Ar is arylene, heteroarylene, substituted arylene or substituted heteroarylene ... | 04/16/2002 |
| 6355750 | Dye attach adhesives for use in microelectronic devices A thermoplastic or thermosetting adhesive for bonding an electronic component to a substrate in which the adhesive is cured in situ from a curable composition comprises one or more poly- or mono-functional maleimide compounds, or one or more poly- or mono... | 03/12/2002 |
| 6346596 | Gas barrier polymer composition A gas barrier polymer composition with active hydrogen functionality is provided. The polymer may be prepared by reacting a solution of organic diacid containing at least one active hydrogen group and diglycidyl ether in the presence of an optional cataly... | 02/12/2002 |
| 6288206 | Chiral polymer compositions exhibiting nonlinear optical properties Chiral organic polymers doped with or appended by nonlinear optical dyes are disclosed. The use of chiral polymers produces a more stable noncentrosymmetric environment for the dye molecules resulting in unexpectedly long relaxation times as compared with... | 09/11/2001 |
