Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7781540 | Resin composition and molded articles thereof A resin composition, and molded articles thereof, where the resin composition simultaneously satisfies resistances, such as heat and environmental resistance, and moldability at high levels, and has excellent optical properties, such as high refractivity and low bir... | 08/24/2010 |
| 7365124 | Flame retardant resin blends based on polymers derived from 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers A polymer blend consisting essentially of at least one thermoplastic polymer, and a polymer comprising structural units derived from a 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine is disclosed. ... | 04/29/2008 |
| 7255927 | Laminate composition This invention concerns a thermosetting resin system that is useful in the manufacture of high performance prepreg, laminate and composite materials as well as, prepregs, laminates and composites made from the thermosetting resin composition. ... | 08/14/2007 |
| 7244506 | High-reflectivity polyester coating A high reflectivity coated substrate and coating composition employing a binder containing a polyester resin that includes a cycloaliphatic group and has a number average molecular weight from about 1,000 to 40,000. The binder contains less than 40 weight percent ar... | 07/17/2007 |
| 7243703 | Flexible heat exchanger The invention generally relates to a flexible heal exchanger comprising a pair of flexible multilayer thermoplastic polyimide films each of which comprises an aromatic polyimide substrate film showing no glass transition temperature or a glass transition temperature... | 07/17/2007 |
| 7208539 | Thermosetting resin composition, and prepreg and laminated board using the same The present invention relates to a thermosetting resin composition comprising: (1) a metal salt of a disubstituted phosphinic acid, and (2) a resin having a dielectric constant of 2.9 or less at a frequency of 1 GHz or more, and a prepreg and a laminated board using... | 04/24/2007 |
| 7169882 | Molding resin and process for production thereof A molding resin formed from a block copolymer comprising polyhydroxycarboxylic acid structural units (I), and polyester structural units (II) derived from a dicarboxylic acid and a diol; wherein the weight ratio (I)/(II) between the polyhydroxycarboxylic acid struct... | 01/30/2007 |
| 6974631 | High-reflectivity polyester coating The present invention provides a high reflectivity lighting fixture, comprising a coated reflector and a light source. The reflector is coated with a composition that includes a cycloaliphatic group containing polyester resin and a pigment. The present invention als... | 12/13/2005 |
| 6972147 | Fluorescent polymeric articles fabricated from U.V. light absorbing polymer A fluorescent article is disclosed comprising a polymer matrix comprising a polymer having in its backbone repeating units of a U.V. light absorbing moiety, or a moiety capable of being transformed by photo-Fries rearrangement into a U.V. light absorbing moiety, the... | 12/06/2005 |
| 6933618 | Tablet comprising epoxy resin composition A tablet for producing a semiconductor device with substantially no bowing, comprising an epoxy resin composition comprising an epoxy resin and a curing agent, wherein the tablet has the characteristic of an amount reduced by heating being less than 0.05% by weight;... | 08/23/2005 |
| 6897265 | Polyester coil coating A coil coating composition producing a coil coating with excellent properties at a lower peak metal temperature includes (a) a first, branched polyester prepared by condensation of a polyol component consisting essentially of a flexibilizing diol, 2-methyl-1,3-propa... | 05/24/2005 |
| 6875491 | Polycarbonate composition, write once read many optical disc substrate and write once read many optical disc using same and process for production of write once read many optical disc A polycarbonate composition excellent in both antistatic property and coloring matter coatability containing (a) a polycarbonate obtained by an ester exchange process, and (b) a compound having a molecular weight of from 300 to 8,000 and having any of ester bond, ca... | 04/05/2005 |
| 6673874 | Modified polymers Process for preparing a thermosetting coating composition comprising; (a) mixing (i) a cleavable carbonyl polymer having an activated carbonyl group adjacent to oxygen or nitrogen, in the backbone, and having a molecular weight greater than 5,000 (... | 01/06/2004 |
| 6608147 | Method for preparing polyether copolymers with polycarbonates and polyarylates Copolymers of polycarbonates or polyarylates with polyether polymers such as polyethersulfones, polyetherketones, and polyetherimides are prepared by reaction of the polyether polymer-forming reagents, e.g., bisphenol A disodium salt and bis(4-chloropheny... | 08/19/2003 |
| 6569957 | Blends of polycarbonate and polyester and sheets and films formed therefrom There is described a novel blend composition comprising specified amounts of any polycarbonate and specified amounts of a specific copolyester comprising terephthalic acid, naphthalenedicarboxylic acid, 1,4-cyclohexanedicarboxylic acid, or mixtures thereo... | 05/27/2003 |
| 6514594 | Fluorescent polymeric articles having screening layer formed from U.V. light absorbing polymer A fluorescent article is disclosed in which a U.V. light screening layer comprising a polymer having in its backbone repeating units of a U.V. light absorbing moiety, or a moiety capable of being transformed by Photo-Fries rearrangement into a U.V. light ... | 02/04/2003 |
| 6476158 | Process for colored polycarbonate-polyester compositions with improved weathering A process for preparing a high gloss retention resin molding formulation comprising a polyester resin and a polycarbonate resin where the process comprises the steps of selecting a desirable colorant which is stable at molding temperatures and has desirab... | 11/05/2002 |
| 6458899 | Tricarboxylic acids, method, and branched polycarbonates prepared therefrom Aliphatic tricarboxylic acids, as exemplified by 9-carboxy-1,18-octadecanedioic acid, may be prepared by the biotransformation of an olefinic monocarboxylic acid such as oleic acid to the corresponding olefinic dicarboxylic acid, preferably 1,18-octa... | 10/01/2002 |
| 6350822 | Modified polyesters A polymer blend comprising a polyester, a polyfunctional acid anhydride wherein said polyfunctional acid anhydride has a functionality as described herein of three or more, and a polyhydric alcohol or precursor thereto wherein said polyhydric alcohol has ... | 02/26/2002 |
| 6316579 | Polycarbonate resin composition containing block copolymer A thermoplastic resin composition can be obtained by adding about 0.1 to 20 parts by weight of a diene-series block copolymer (2) to 100 parts by weight of a resin composition containing a polycarbonate-series resin (1) as a basic component of which the p... | 11/13/2001 |
| 6281299 | Manufacturing method for transparent polyester/polycarbonate compositions A manufacturing method for transparent polyester/polycarbonate compositions using equipment for manufacturing polycarbonates or polyesters by the melt polymerization method comprises a manufacturing method wherein polyester or polycarbonate resin is added... | 08/28/2001 |
| 6245875 | High durometer low structuring heat curable silicone elastomer A silicone elastomer composition which has hardness of 80 durometer Shore A, low structuring and low specific gravity.... | 06/12/2001 |
| 6232398 | Alkali or acid corrodible organic or composite particles in resin matrix A resin matrix with resistances to alkali and acid such as a fluorene-containing epoxy acrylate and/or a benzocyclobutene resin includes at least any one of insulative organic particles and insulative composite particles having an organic component and an... | 05/15/2001 |
| 6107436 | Polyfunctional polymer Polyfunctional ethylenically unsaturated polyureas, polythiocarbamateureas, and polyurethaneureas comprise (a) at least one segment derived from an aspartic ester polyamine; and (b) at least one polycarbonate, polyether, or polyester segment. The polyfunc... | 08/22/2000 |
| 6037420 | Polymer composite material and method for preparing the same The polymer composite material is produced using no solvent and includes a rigid polymer (B) dispersed uniformly into a matrix (A) at the molecular level in a state of a copolymer (A/B and/or A'/B) thereby enhancing the interface bonding of the rigid poly... | 03/14/2000 |
| 6011124 | Blends of bisphenol a polycarbonate and polyesters Disclosed are clear blends comprising: (A) from 1 to 99 percent by weight of a polycarbonate comprising a diol component comprising from 90 to 100 mol percent 4,4'-isopropylidenediphenol units and from 0 to 10 mol percent modifying diol units having 2 to ... | 01/04/2000 |
| 5981661 | Modified weatherable thermoplastic resin molding compositions and articles molded therefrom A flame retarded resin molding compositions with enhanced weatherable properties, which comprise a polyester and polycarbonate blend modified with an organopolysiloxane-polycarbonate and a glycidyl ester impact modifier for enhancing weatherablity and a f... | 11/09/1999 |
| 5856413 | Polycarbonate compositions having mold-release properties A thermoplastic molding composition comprising polycarbonate and a comples ester are disclosed. The ester which conforms to ##STR1## wherein p is an integer of 2 to 8, q is an integer of 7 to 13 and R and R' independently denote a Cx H | 01/05/1999 |
| 5804674 | Mold release agent, cured film obtained from said mold release agent, and molding method using said mold release agent A mold release agent containing (A) a silane compound, (B) a silicon and/or fluorine-containing compound having at least two hydroxyl groups or alkoxy groups in one molecule and (C) a polymer of a perfluoroalkyl group-containing (meth)acrylate ester gives... | 09/08/1998 |
| 5770683 | Preparation process of polyhydroxycarboxylic acid A preparation process of polyhydroxycarboxylic acid comprising conducting dehydration polycondensation of hydroxycarboxylic acid or an oligomer of the same in a reaction mixture containing said hydroxycarboxylic acid or the oligomer of the same and an org... | 06/23/1998 |
| 5723551 | Compatible compositions of poly-phenylene ether) resins and semi-crystalline resins Compatibilized blends of poly(phenylene ether) resins and polyester resins are provided from nucleophile containing poly(phenylene ether) resins and polyester resins and compatibilizer compounds to afford articles having good impact, ductility and tensile... | 03/03/1998 |
| 5693722 | Method for modifying the backbone of polymeric resins A process is disclosed whereby a polymeric resin (containing ester and/or carbonate bonds) is readily converted into a resin having a modified molecular structure. Accordingly, a polycyclic carbonate (a monomer or oligomer) is transesterified with the pol... | 12/02/1997 |
| 5652331 | Method for preparing poly-p-dioxanone polymer Poly-p-dioxanone is prepared in a process comprising: (a) heating a reaction mixture comprising p-dioxanone and an effective amount of a polymerization catalyst under conditions of temperature and pressure effective to produce a reaction product mixture compri... | 07/29/1997 |
| 5623027 | Silicone-modified aliphatic polyester A silicone/polyester adduct comprises between about 5 and about 30 wt % of silicone adducted to between about 70 and about 95% polyester chains formed from polyfunctional acids plus polyfunctional acids and/or anhydrides. At least about 50 mole percent of... | 04/22/1997 |
| 5605979 | Method for modifying the backbone of polymeric resins A process is disclosed whereby a polymeric resin (containing ester and/or carbonate bonds) is readily converted into a resin having a modified molecular structure. Accordingly, a cyclic carbonate (a monomer or oligomer) is transesterified with the polymer... | 02/25/1997 |
| 5508338 | Compatibilized blend of polycarbonate, polyester and liquid crystalline additive A single phase, compatiblized blend comprising a polycarbonate resin, a polyester resin, and no more than about 5%, by weight of the combined weight of polycarbonate and polyester, of a liquid crystalline additive as a compatibilizer.... | 04/16/1996 |
| 5478888 | Preparation process of thermoplastic resin composite The present invention relates to a process for the preparation of a thermoplastic resin composite comprising conducting polycondensation of a monomer material in a solution of an organic solvent containing an organic solvent soluble polymer to form an aro... | 12/26/1995 |
| 5478896 | Thermoplastic molding composition A thermoplastic molding composition comprising an aromatic carbonate polymer and a polyester derived from a cyclohexanedimethanol.... | 12/26/1995 |
| 5455311 | Thermoplastic block copolyesters capable of being composted for use as packaging materials The object of the present invention is the production of thermoplastically workable copolymers capable of being composted, characterized in that they consist of partially crystalline soft segments formed from aliphatic esters and also of amorphous hard se... | 10/03/1995 |
| 5418299 | Blend of flexible coil polymer and themotropic liquid crystalline oligomer Blends can be formed which comprise a flexible coil polymer substrate, e.g., of a poly(alkylene terephthalate), and a thermotropic, essentially liquid crystalline oligomer which comprises aromatic units and at least one linear polyalkylene spacer. These b... | 05/23/1995 |
