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| Number | Title | Issue Date |
| 6583256 | Weatherable block copolyestercarbonate compositions Block copolyestercarbonates may be prepared by first conducting a reaction between at least one of resorcinol or an alkyl- or haloresorcinol and at least one aromatic dicarboxylic acid dichloride, preferably isophthaloyl dichloride, terephthaloyl dichlori... | 06/24/2003 |
| 6576718 | Powder coating of thermosetting resin(s) and poly(phenylene ethers(s)) Powder coating compositions comprising at least one thermosetting resin and at least one poly(phenylene ether) are disclosed.... | 06/10/2003 |
| 6572796 | Method of predicting optimal injection molding cycle time A method of predicting optimal injection molding cycle time includes the steps of performing a thermal analysis through a thickness of a part made using an injection mold, calculating shrinkage as a function of cooling time, calculating friction forces be... | 06/03/2003 |
| 6559270 | Weatherable block copolyestercarbonates and blends containing them, and method Block copolyestercarbonates may be prepared by first conducting a reaction between at least one of resorcinol or an alkyl- or haloresorcinol and at least one aromatic dicarboxylic acid dichloride, preferably isophthaloyl dichloride, terephthaloyl dichlori... | 05/06/2003 |
| 6552133 | Method for making carboxy-functionalized polyphenylene ethers, and blends containing them Carboxy-functionalized polyphenylene ethers containing structural units with a carboxyalkyl group in the 2-position are prepared by redistribution of a polyphenylene ether with a 2-carboxyalkylphenol such as 2-(3-carboxypropyl)phenol (melilotic acid), or ... | 04/22/2003 |
| 6538065 | Method for preparing copolyestercarbonates and articles therefrom Block copolyestercarbonates substantially free of anhydride linkages linking at least two mers of the polymer chain may be prepared by a method which comprises the steps of: (A) preparing a hydroxy-terminated polyester intermediate in a molten reaction mi... | 03/25/2003 |
| 6537636 | Data storage media containing clear polycarbonate blends Polymer blends suitable for use in optical article. The polymer blends comprise a first and second polycarbonate and have properties particularly suited for use in high density optical data storage media.... | 03/25/2003 |
| 6521777 | Process for the production of diaryl carbonates A process for catalytic production of diaryl carbonates by oxidative carbonylation of aromatic hydroxy compounds with carbon monoxide and oxygen achieves water removal during reaction by a process comprising the steps of: removing a liquid stream from an ... | 02/18/2003 |
| 6512134 | Method and catalyst system for producing aromatic carbonates A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds is disclosed. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least one aro... | 01/28/2003 |
| 6507049 | Encapsulants for solid state devices A packaged solid state device having a package, a chip, and an encapsulate having an epoxy resin, a boron containing catalyst that is essentially free of halogen. A LED device having a package, a LED chip, a encapsulate having a cycloaliphatic epoxy resin... | 01/14/2003 |
| 6506924 | Method for recovery of catalyst components A method is disclosed for recovering a substantially water-soluble solvent from a reaction mixture comprising at least about 35% by weight aromatic hydroxy compound, which comprises the steps of: (i) extracting a reaction mixture at least once with aqueou... | 01/14/2003 |
| 6500984 | Method for producing phosgene A method is disclosed for producing phosgene which in one embodiment comprises contacting in at least one reactor a mixture comprising carbon monoxide and chlorine sequentially with a first catalyst followed by contacting the resulting gaseous reaction mi... | 12/31/2002 |
| 6498271 | 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... | 12/24/2002 |
| 6472551 | Process for the production of diaryl carbonates A process for catalytic production of diaryl carbonates by oxidative carbonylation of aromatic hydroxy compounds with carbon monoxide and oxygen achieves water removal during reaction by a process comprising the steps of: removing a liquid stream from an ... | 10/29/2002 |
| 6469205 | Method for oxidation of xylene derivatives Xylene derivatives, such as chloro-ortho-xylene, are oxidized in the absence of solvent or added promoter in the presence of at least one metal catalyst. The primary products are chlorophthalic anhydride and chlorotoluic acid.... | 10/22/2002 |
| 6465685 | Method for oxidation of xylene derivatives Xylene derivatives, such as chloro-ortho-xylene, are oxidized in a solvent in the presence of at least one metal catalyst with addition of promoter after the reaction has proceeded to an intermediate stage of conversion to product mixture. The product com... | 10/15/2002 |
| 6465675 | Method and catalyst system for producing aromatic carbonates A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least one aromatic hydroxy... | 10/15/2002 |
| 6465101 | Multilayer plastic articles Multilayer plastic composite articles comprise at least one poly (alkylene naphthalate) surface layer which is adherent to at least one surface of a substrate which is formed of a thermoplastic resin. Decorative layers can be located between the substrate... | 10/15/2002 |
| 6462217 | Oxidative carbonylation of hydroxyaromatic compounds Organolead compounds such as tetraethyllead are useful in catalyst compositions for the oxidative carbonylation of hydroxyaromatic compounds to diaryl carbonates. They are employed in combination with a Group 8, 9, or 10 metal such as palladium, or a comp... | 10/08/2002 |
| 6462168 | Weatherable polycarbonates comprising oxanilide structural units, method, and articles made therefrom In one embodiment the present invention is a polycarbonate comprising structural units derived from at least one dihydric phenol, a carbonate precursor, and at least one member selected from the group consisting of an oxanilide-comprising compound, an oxa... | 10/08/2002 |
| 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 |
| 6441215 | Method for reducing carbonate decomposition in reaction mixtures The present invention is directed to a method for reducing the percent decomposition of an aromatic carbonate in a first reaction mixture comprising the aromatic carbonate, the method comprising the step of adding at least one decomposition-reducing addit... | 08/27/2002 |
| 6440892 | Method and catalyst composition for producing aromatic carbonates The present invention provides a method and catalyst composition for carbonylating aromatic hydroxy compounds, comprising the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation cata... | 08/27/2002 |
| 6433127 | Copolyestercarbonates derived from dimer acids and method for their preparation Copolyestercarbonates comprising carbonate structural units derived from at least one dihydroxyaromatic compound, preferably bisphenol A, and ester units derived from a dihydroxyaromatic compound and a composition comprising at least one C36 di... | 08/13/2002 |
| 6433046 | Flame retardant resin compositions containing phosphoramides, and method of making The present invention provides resin compositions comprising a thermoplastic resin, at least one phosphoramide having a glass transition point of at least about 0° C. preferably of at least about 10° C., and most preferably of at least about 20° C.; an... | 08/13/2002 |
| 6420589 | Process for the production of diaryl carbonates A process for catalytic production of diaryl carbonates by oxidative carbonylation of aromatic hydroxy compounds with carbon monoxide and oxygen achieves water removal during reaction by a process comprising the steps of: removing a liquid stream from an ... | 07/16/2002 |
| 6420587 | Catalyst system for producing aromatic carbonates A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least one aromatic hydroxy... | 07/16/2002 |
| 6417253 | Color stable compositions containing arylate-comprising polymers The color stability of thermoplastic polymers comprising structural units derived from at least one 1,3-dihydroxybenzene and at least one organodicarboxylic acid is enhanced by combination with at least one photobleachable 4-aminocinnamic compound such as... | 07/09/2002 |
| 6414058 | Color stable compositions containing arylate-comprising polymers The color stability of thermoplastic polymers comprising structural units derived from at least one 1,3-dihydroxybenzene and at least one organodicarboxylic acid is enhanced by combination with at least one photobleachable 4-aminocinnamic compound such as... | 07/02/2002 |
| 6410805 | Method and composition for hydroxylation of aromatic substrates A method and composition are disclosed for the hydroxylation of aromatic substrates in the presence of oxygen, hydrogen, and a catalyst. In a preferred embodiment, benzene is oxidized to phenol in the presence of oxygen, a vanadium catalyst, and hydrogen.... | 06/25/2002 |
| 6410620 | Color stable compositions containing arylate-comprising polymers The color stability of thermoplastic polymers comprising structural units derived from at least one 1,3-dihydroxybenzene and at least one organodicarboxylic acid is enhanced by combination with at least one photobleachable 4-aminocinnamic compound such as... | 06/25/2002 |
| 6407027 | Catalyst composition and method for producing diaryl carbonates, using bisphosphines Hydroxyaromatic compounds such as phenol are carbonylated with oxygen and carbon monoxide in the presence of a catalyst system comprising a Group VIII metal, preferably palladium; at least one bromide or chloride salt, preferably sodium bromide or a tetra... | 06/18/2002 |
| 6403821 | Catalyst composition and method for producing diaryl carbonates using nitrile as promoter Hydroxyaromatic compounds such as phenol are carbonylated with oxygen and carbon monoxide in the presence of a catalyst system comprising a Group VIIIB metal, preferably palladium; an alkali metal or alkaline earth metal halide, preferably sodium bromide;... | 06/11/2002 |
| 6403229 | Cyanate ester based thermoset compositions Laminate structures, for example for use in circuit boards, comprise a metal foil and at least one cured composition layer disposed on at least one surface of the metal foil, wherein the cured composition layer comprises (a) at least one compound selected... | 06/11/2002 |
| 6399823 | Method for producing phosgene A method is disclosed for producing phosgene which in one embodiment comprises contacting in at least one reactor a mixture comprising carbon monoxide and chlorine sequentially with a first catalyst followed by contacting the resulting gaseous reaction mi... | 06/04/2002 |
| 6399790 | Method for oxidation of xylene derivatives Xylene derivatives, such as chloro-ortho-xylene, are oxidized in a solvent in the presence of at least one metal catalyst and optionally at least one promoter. The product comprises chlorophthalic acid or chlorophthalic anhydride.... | 06/04/2002 |
| 6395922 | Compounds based on dibenzoylresorcinol and related compositions and articles A method for preparing novel dibenzoylresorcinol-based compounds is disclosed, wherein the dibenzoylresorcinol is bonded to a substituted or unsubstituted aryl group which does not include a pendent hydroxyl group. The groups attached to the dibenzoylreso... | 05/28/2002 |
| 6388046 | Flame retardant resin compositions containing phosphoramides, and method for making The present invention provides resin compositions comprising a thermoplastic resin and at least one phosphoramide having a glass transition point of at least about 0° C., preferably of at least about 10° C., and most preferably of at least about 20° C.... | 05/14/2002 |
| 6384262 | Process for the production of diaryl carbonates A process for catalytic production of diaryl carbonates by oxidative carbonylation of aromatic hydroxy compounds with carbon monoxide and oxygen achieves water removal during reaction by a process comprising the steps of: removing a liquid stream from an ... | 05/07/2002 |
| 6369170 | 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... | 04/09/2002 |
