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| Number | Title | Issue Date |
| 8076409 | Dispersant and compositions thereof The present invention provides a dispersant and compositions thereof. The dispersant is a residue of a non-aromatic hydrocarbyl substituted carboxylic acid containing three or more acid groups (A), wherein the dispersant may be represented by the Formula and salts t... | 12/13/2011 |
| 7211615 | Polyamide powder with long-lasting, consistently good flowability A composition containing from 88 to 99.99% by weight of a polyamide, a compound of a polyamide and mixtures of these, and from 0.01 to 0.25% by weight of a flow aid where the drying loss from the flow aid after 5 days of conditioning at a relative humidity of 95% is... | 05/01/2007 |
| 7144453 | Composition for preparing porous dielectric thin film containing saccharides porogen A composition for preparing a porous interlayer dielectric thin film which includes a saccharide or saccharide derivative, a thermo-stable organic or inorganic matrix precursor, and a solvent for dissolving the two solid components. Also provided is a dielectric thi... | 12/05/2006 |
| 7053169 | Polyamide molding compounds for producing optical lenses The invention relates to new thermoplastically processible transparent polyamide molding materials based on copolyamides containing diamines and dicarboxylic acids with aromatic cores which exhibit a high index of refraction nD20 over 1.59 and ... | 05/30/2006 |
| 7009029 | Polyamide composition Provided is a polyamide composition comprising 100 parts by weight of (A) a polyamide having dicarboxylic acid units containing 60 to 100 mol % of terephthalic acid units, and diamine units containing 60 to 100 mol % of 1,9-nonanediamine units and/or 2-methyl-1,8-oc... | 03/07/2006 |
| 7001979 | Polyamide and composition and article including same A polyamide that includes the reaction product of dimer acid (e.g. a dimer acid including at least 98% by weight dimer), caprolactam, hexamethylene diamine, sebacic acid, and optionally, chain terminating agent. ... | 02/21/2006 |
| 6943231 | Transparent polyamide molding materials having improved transparency, resistance to chemicals and high permanent fatigue strength Transparent polyamide molding materials are provided which are characterized in that they have a melting enthalpy between 0 and 12 J/g and the polyamides are constituted of 100 mole-% of a diamine mixture having 10-70 mole-% of PACM [bis-(4-amino-cyclohexyl)-... | 09/13/2005 |
| 6844392 | Abradable dry powder coatings, methods for making and coating, and coated articles therefrom An abradable dry powder coating (22) composition for coating onto a surface (12) for subsequent curing to form into an abradable coating, including a powder (16) formed of uncured thermoset resin with at least 15 volume percent filler, wherein t... | 01/18/2005 |
| 6774205 | Polyamides A process for the preparation of novel polyamides, the use of such polyamides for the production of fibers, sheets and moldings, and fibers, sheets and moldings obtainable from such polyamides, are provided. ... | 08/10/2004 |
| 6743851 | Polyimide film A polyimide resin composition comprising a polyimide resin (A) and at least one 1H-tetrazole (B) selected from the group consisting of 1H-tetrazole, 5,5′-bis-1H-tetrazole, and derivatives thereof, and having an excellent rust preventing effect on copper and copper... | 06/01/2004 |
| 6734276 | Polyimide and circuit substrate comprising the same The invention is a polyimide, random copolymer having repeating units of the formula (1): wherein R1 and R2 each represent a divalent group selected from | 05/11/2004 |
| 6734248 | Pattern forming process using polyimide resin composition A polyimide resin composition comprising a polyimide resin (A) and at least one 1H-tetrazole (B) selected from the group consisting of 1H-tetrazole, 5,5′-bis-1H-tetrazole, and derivatives thereof, and having an excellent rust preventing effect on copper and copper... | 05/11/2004 |
| 6734280 | Rosin-fatty acid vinylic polyamide polymer resins This invention concerns novel rosin-fatty acid vinylic polyamide polymer resin compositions and the process for preparing them. More particularly, the invention concerns novel rosin-fatty acid vinylic polyamide graft polymer compositions that exhibit properties that... | 05/11/2004 |
| 6730729 | Heat curable binders The invention relates to a process for preparing an aqueous polymer dispersion comprising an emulsion polymer a polymer composed of at least 5% by weight of an ethylenically unsaturated monocarboxylic acid, dicarboxylic acid or dicarboxylic anhydride (... | 05/04/2004 |
| 6710121 | Nitrocellulose-compatible laminating ink resins Nitrocellulose-compatible laminating ink resin is prepared by reacting together reactants including polymerized fatty acid, co-diacid, monoacid, secondary diamine and C6 diamine, or reactive equivalents thereof. The resin may be used in printing compositi... | 03/23/2004 |
| 6677427 | Enzyme-catalyzed polyamides and compositions and processes of preparing and using the same A polyamide, the enzymatic reaction product of at least one polyamine and diester, and processes for preparing and using the same. In addition, processes for preparing and using the enzymatic reaction product as creping adhesives and wet strength resins t... | 01/13/2004 |
| 6617381 | Polyamide resin composition and forming from the same Disclosed is a polyamide resin composition, a method for producing the composition, and articles from the composition. The polyamide resin composition polyamide resin composition is formed by melt-kneading (A) 100 parts by weight of nylon resin, and (B) 5... | 09/09/2003 |
| 6586500 | Polymer nanocomposite comprising a matrix polymer and a layered clay material having an improved level of extractable material The invention is directed to a polymer-clay nanocomposite material comprising a melt-processible matrix polymer and a layered clay material having decreased levels of extractable material, such as extractable salts of organic cations. This invention is al... | 07/01/2003 |
| 6492458 | Polyalkyleneoxydiamine polyamides useful for formulating inks for phase-change jet printing A compound of formula (1): ##STR1## wherein, in at least one occurrence, R1 is an alkyl group having at least seventeen carbons; R2 includes a polyalkyleneoxide; R3 includes a C6 carbocyclic group; and n is an integer of a... | 12/10/2002 |
| 6403698 | Polyamide/emulsion polymer blends The invention provides a method of making an amide-type polymer/first polymer blend comprising the steps of: a) preparing a polymer colloid system comprising a first polymer dispersed in a liquid continuous phase; b) introducing the polymer colloid system... | 06/11/2002 |
| 6362250 | Dental bridges comprising fiber reinforced frameworks with fiber or particulate reinforced veneers A dental restoration comprising a fiber reinforced composite framework and one or more of a randomly dispersed, fiber-filled veneer, a soft particulate filled composite veneer having a strain to failure greater than that of FRC framework and/or a brittle ... | 03/26/2002 |
| 6359107 | Composition of and method for making high performance resins for infusion and transfer molding processes A composition of and method for making high performance imide resins that are processable by resin transfer molding (RTM) and resin infusion (RI) techniques were developed. Materials with a combination of properties, making them particularly useful for th... | 03/19/2002 |
| 6350817 | Phenylethynyl containing reactive additives Phenylethynyl containing reactive additives were prepared from aromatic diamines containing phenylethynyl groups and various ratios of phthalic anhydride and 4-phenylethynylphthalic anhydride in glacial acetic acid to form the imide in one step or in N-me... | 02/26/2002 |
| 6310135 | Polyimide resin composition A polyimide resin composition comprising a polyimide resin (A) and at least one 1H-tetrazole (B) selected from the group consisting of 1H-tetrazole, 5,5'-bis-1H-tetrazole, and derivatives thereof, and having an excellent rust preventing effect on copper a... | 10/30/2001 |
| 6288209 | Method to prepare processable polyimides with reactive endogroups using 1,3-bis(3-aminophenoxy)benzene Polyimide copolymers were obtained containing 1,3-bis(3-aminophenoxy)benzene (APB) and other diamines and dianhydrides and terminating with the appropriate amount of reactive endcapper. The reactive endcappers studied include but should not be limited to ... | 09/11/2001 |
| 6218461 | Silicone composition curing at room temperature and the use thereof A silicone composition curing at room temperature by condensation, which is suitable especially as a dental molding composition. The silicone composition consists of the a) base paste containing a filler and polyorganosiloxane having hydroxy groups, b) an... | 04/17/2001 |
| 6174937 | Composition of matter, a phase change ink, and a method of reducing a coefficient of friction of a phase change ink formulation The invention encompasses a phase change ink comprising a material of the formula ##STR1## wherein X1, X2, X3 and X4 are segments comprising atoms selected from groups V and VI of the periodic table; wherein at ... | 01/16/2001 |
| 6166174 | Method to prepare processable polyimides with non-reactive endgroups using 1,3-bis(3-aminophenoxy) benzene Polyimide copolymers were obtained containing 1,3-bis(3-aminophenoxy)benzene (APB) and other diamines and dianhydrides and terminating with the appropriate amount of a non-reactive endcapper, such as phthalic anhydride. Homopolymers containing only other ... | 12/26/2000 |
| 6160081 | Photosensitive polyimide resin composition The invention relates to a photosensitive polyimide resin composition comprising (A) a polyamic acid having, in its main chain, repeating units formed from a polycondensation product of at least one tetracarboxylic acid or tetracarboxylic anhydride thereo... | 12/12/2000 |
| 6150456 | High dielectric constant flexible polyimide film and process of preparation A flexible, high dielectric constant polyimide film composed of either a single layer of an adhesive thermoplastic polyimide film or a multilayer polyimide film having adhesive thermoplastic polyimide film layers bonded to one or both sides of the film an... | 11/21/2000 |
| 6140459 | Semi-crystalline, semi-aromatic copolymers with superior post-molding shrinkage and balance of mechanical performance This invention relates to high temperature, semi-crystalline, semi-aromatic nylon copolymers with improved shrinkage and blistering resistance, made from terephthalic acid (TA), hexamethylene diamine (HMD) and another aliphatic dicarboxylic acid as monome... | 10/31/2000 |
| 6103818 | Resin composition and heat-resistant, returnable IC tray obtained by molding the same A resin composition containing components (A), (B), (C) and (D) wherein component (A) is a resin composition containing a thermoplastic polyimide resin, component (B) is carbon fiber, component (C) is mica, component (D) is an internal mold-releasing agen... | 08/15/2000 |
| 6103805 | Polyamide resin composition and molded articles A polyamide resin composition comprising (A) a reinforced polyamide resin which comprises 100 parts by weight of a nylon 6 homopolymer or copolymer and 1 to 20 parts by weight of a layered silicate uniformly dispersed in the polymer on the molecular level... | 08/15/2000 |
| 6093790 | Organic-soluble aromatic polyimides, organic solutions and preparation thereof The present invention provides polyimides and co-polyimides that are organosoluble. The polyimides and co-polyimides are prepared from an aromatic diamine having tert-butyl group, i.e., 1,4-bis(4-aminophenoxy)-2-tert-butyl-benzene, or its mixture with oth... | 07/25/2000 |
| 6093759 | Fireproofed thermoplastic moulding masses Flame-retardant thermoplastic molding compositions comprise A) from 5 to 99% by weight of a thermoplastic polymer, B) from 0.1 to 50% by weight of a phosphazene of the general formula I (PN2-x H1-y)z I wher... | 07/25/2000 |
| 6075088 | Alkyd paints High-solids air-drying or semi-drying alkyd paints essentially comprise, as binder, a conventional air-drying or semi-drying long-oil or medium-oil alkyd resin, and as reactive diluent an oligomer of polyol, polyisocyanate and unsaturated fatty acids. Use... | 06/13/2000 |
| 6013757 | Coating or impregnant of epoxy resin and aqueous polyamide-amine dispersion A substrate is coated or impregnated with a composition comprising an a) epoxy resin, b) a liquid amine-terminated polyamide curing agent prepared by condensing an aminoalkylpiperazine and a long-chain dicarboxylic acid, ester or chloride, and c) water.... | 01/11/2000 |
| 6001926 | Fiber-reinforced phthalonitrile composite cured with low-reactivity aromatic amine curing agent A fiber-reinforced phthalonitrile composite is made by impregnating or coating a fibrous material with a phthalonitrile prepolymer mixture containing a phthalonitrile monomer and an aromatic amine curing agent that is thermally stable and nonvolatile at a... | 12/14/1999 |
| 5998508 | Aqueous dispersions of polyamide-amine derived from aminoalkylpiperazine with epoxy resin An epoxy resin composition containing a) an epoxy resin, b) a liquid amine terminated polyamine curing agent prepared by condensing an aminoalkylpiperazine and a dicarboxylic acid, and (c) water. An aqueous dispersion of the amine terminated polyamine cur... | 12/07/1999 |
| 5981692 | Semi-crystalline, semi-aromatic terpolymers with superior post-molding shrinkage and balance of mechanical performance This invention relates to high temperature, semi-crystalline, semi-aromatic nylon terpolymers with improved shrinkage resistance, made from terephthalic acid (TA), hexamethylene diamine (HMD) and/or 2-methyl pentamethylene diamine (2-MPMD) and another ali... | 11/09/1999 |
