| Patent application number | Description | Published |
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| 20100004422 | PROCESS FOR THE SYNTHESIS OF ETHERS OF AROMATIC ACIDS - Ethers of aromatic acids are produced from halogenated aromatic acids in a reaction mixture containing a copper (I) or copper (II) source and an amino acid ligand that coordinates to copper. | 01-07-2010 |
| 20100016540 | PROCESS FOR THE SYNTHESIS OF ETHERS OF AROMATIC ACIDS - Ethers of aromatic acids are produced from halogenated aromatic acids in a reaction mixture containing a copper (I) or copper (II) source and a diketone ligand that coordinates to copper. | 01-21-2010 |
| 20100048856 | PROCESS FOR THE SYNTHESIS OF ETHERS OF AROMATIC ACIDS - Ethers of aromatic acids are produced from halogenated aromatic acids in a reaction mixture containing a copper (I) or copper (II) source and a Schiff base ligand that coordinates to copper. | 02-25-2010 |
| 20100056750 | PROCESS FOR THE SYNTHESIS OF HALOGENATED AROMATIC DIACIDS - The production of high-purity halogenated aromatic diacids from halogenated dimethylbenzene by oxidation with an oxygen-containing gas is conducted using a four-component catalyst system and a two-stage temperature process. | 03-04-2010 |
| 20100076212 | METHOD FOR THE PURIFICATION OF TRIORGANOPHOSPHITES BY TREATMENT WITH A BASIC ADDITIVE - The invention provides a method for separating one or more triorganophosphite components from a crude phosphite mixture containing acidic hydrolysis products, the method comprising:
| 03-25-2010 |
| 20100099922 | PROCESS FOR MAKING 2-SECONDARY-ALKYL-4,5-DI-(NORMAL-ALKYL)PHENOLS - The invention relates to the preparation of alkylated phenols. More specifically, the invention relates to an improved process for the manufacture of 2-secondary-alkyl-4,5-di-normal-alkylphenols. | 04-22-2010 |
| 20100105860 | PROCESS FOR THE SYNTHESIS OF ETHERS OF AROMATIC ACIDS - Ethers of aromatic acids are produced from halogenated aromatic acids in a reaction mixture containing a copper (I) or copper (II) source and a diamine ligand that coordinates to copper. | 04-29-2010 |
| 20100160596 | PROCESS FOR THE PREPARATION OF HIGHLY PURE MONOMERS FOR POLYBENZIMIDAZOLE MATERIALS - Highly pure 2,3,5,6-tetraminotoluene species are produced by chemically reducing undesirable oxidation byproducts. The 2,3,5,6-tetraminotoluene species are then used in the manufacture of superior high-performance polybenzimidazole polymers. | 06-24-2010 |
| 20100160675 | INTEGRATED PROCESS FOR THE PREPARATION OF POLYBENZIMIDAZOLE PRECURSORS - An integrated process is provided for preparing complexes of 2,3,5,6-tetraminotoluene with an aromatic diacid starting with nitration of 2,6-dihalotoluene. The process design eliminates costly intermediate drying and recrystallization steps. Handling of solid materials with possible skin sensitizing properties and toxicity is avoided, thereby eliminating human and environmental exposure. | 06-24-2010 |
| 20100160676 | PROCESS FOR THE PREPARATION OF MONOMERS FOR POLYBENZIMIDAZOLE MATERIALS - Complexes of 2,3,5,6-tetraminotoluene with an aromatic diacid are prepared by reaction with a divalent salt of the aromatic diacid while maintaining the pH of the reaction solution between 3 and 10. The resulting complexes are suitable for making high molecular weight polybenzimidazole polymers for high-performance fibers. | 06-24-2010 |
| 20100160678 | PROCESS FOR THE SYNTHESIS OF 2,6-DIAMINO-3,5-DINITROTOLUENE - An improved process is provided for the preparation of 2,6-diamino-3,5-dinitrotoluene by amination of 2,6-dichloro-3,5-dinitrotoluene. The presence of water unexpectedly results in a highly pure product, free of glycol ether impurities. This product can be used to make highly pure 2,3,5,6-tetraaminotoluene, which in turn can be used to make high molecular weight polybenzimidazoles for high strength fibers. | 06-24-2010 |
| 20100160679 | INTEGRATED PROCESS FOR THE PREPARATION OF POLYBENZIMIDAZOLE PRECURSORS - Processes are provided for preparing complexes of 2,3,5,6-tetraaminotoluene with an aromatic diacid where the aromatic diacid is insoluble in water under ambient conditions. An integrated process design starting with nitration of 2,6-dihalotoluene eliminates costly intermediate drying and recrystallization steps. Handling of solid materials with possible skin sensitizing properties and toxicity is avoided, thereby eliminating human and environmental exposure. | 06-24-2010 |
| 20100160685 | INTEGRATED PROCESS FOR THE PREPARATION OF POLYBENZIMIDAZOLE PRECURSORS - An integrated process is provided for preparing 2,3,5,6-tetraminotoluene and salts thereof starting with nitration of 2,6-dihalotoluene. The process design eliminates costly intermediate drying and recrystallization steps. Handling of solid materials with possible skin sensitizing properties and toxicity is avoided, thereby eliminating human and environmental exposure. | 06-24-2010 |
| 20100160686 | Process for the Preparation of Monomers for Polybenzimidazole Materials - A process is provided to produce 2,3,5,6-tetraaminotoluene. Highly pure salts of 2,3,5,6-tetraaminotoluene are produced via reduction of 2,6-diamino-3,5-dinitrotoluene. The 2,3,5,6-tetraaminotoluene salt is precipitated as a clean (>99% purity) product. The salt is a precursor for monomers to make a polybenzimidazole for high performance fibers. | 06-24-2010 |
| 20100160695 | PROCESS FOR THE SYNTHESIS OF DIHALODINITROTOLUENE - An improved process is provided for the preparation of 2,6-dihalo-3,5-dinitrotoluene by the nitration of 2,6-dihalotoluene. The direct isolation of highly pure 2,6-dihalo-3,5-dinitrotoluene is accomplished without a water or ice quench, by providing at least one equivalent of SO | 06-24-2010 |
| 20100261851 | Recoverable polymer-bound homogeneous catalysts for catalytic chain transfer process - Disclosed herein are novel polymer-tethered ligands, metal complexes comprising these ligands, and the use of these complexes as chain transfer catalysts to control the molecular weight of oligomeric and polymeric materials produced in a radical polymerization process. The materials made by the processes disclosed herein have significantly reduced color, making them suitable for a wide range of color-critical end-uses, including automotive coatings. | 10-14-2010 |
| 20100267990 | HIGHLY SELECTIVE PROCESS FOR PRODUCING ORGANODIPHOSPHITES - Disclosed is a method for making a diphosphite of Structure I, | 10-21-2010 |
| 20100267991 | HIGHLY SELECTIVE PROCESS FOR PRODUCING ORGANODIPHOSPHITES - Disclosed is a method for making a diphosphite of Structure I, | 10-21-2010 |
| 20110054219 | PROCESS FOR THE NITRATION OF O-XYLENE AND RELATED COMPOUNDS - Aromatic compounds such as o-xylene are selectively nitrated by nitric acid in the presence of polyphosphoric acid and a large pore, acidic zeolite or a large pore, hydrophobic molecular sieve. This is an environmentally friendly, commercially viable, high conversion process for the selective nitration of aromatic compounds in the para position. | 03-03-2011 |
| 20110060116 | PROCESS FOR THE SYNTHESIS OF FLUORINATED ETHERS OF AROMATIC ACIDS - New fluorinated ethers of aromatic acids and diesters are disclosed. These compositions can be applied to, e.g., fibers, yarns, carpets, garments, films, molded parts, paper and cardboard, stone, and tile to impart soil, water and oil resistance. By incorporating the fluorinated ethers of aromatic acids, or diesters thereof, into polymer backbones, more lasting soil, water and oil resistance, as well as improved flame retardance, can be achieved. | 03-10-2011 |
| 20110060117 | PROCESS FOR THE SYNTHESIS OF FLUORINATED ETHERS OF AROMATIC ACIDS - Fluorinated ethers of aromatic acids are produced from halogenated aromatic acids in a reaction mixture containing a copper (I) or copper (II) source and a diamine ligand that coordinates to copper. The fluorinated ethers of aromatic acids made using the process described herein can be applied to, e.g., fibers, yarns, carpets, garments, films, molded parts, paper and cardboard, stone, and tile to impart soil, water and oil resistance. By incorporating the fluorinated ethers of aromatic acids, or diesters thereof, into polymer backbones, more lasting soil, water and oil resistance, as well as improved flame retardance, can be achieved. | 03-10-2011 |
| 20110060118 | PROCESS FOR THE SYNTHESIS OF FLUORINATED ETHERS OF AROMATIC ACIDS - Fluorinated ethers of aromatic acids are produced from halogenated aromatic acids in a reaction mixture containing a copper (I) or copper (II) source and a Schiff base ligand that coordinates to copper. The fluorinated ethers of aromatic acids made using the process described herein can be applied to, e.g., fibers, yarns, carpets, garments, films, molded parts, paper and cardboard, stone, and tile to impart soil, water and oil resistance. By incorporating the fluorinated ethers of aromatic acids, or diesters thereof, into polymer backbones, more lasting soil, water and oil resistance, as well as improved flame retardance, can be achieved. | 03-10-2011 |
| 20110060161 | PROCESS FOR THE SYNTHESIS OF FLUORINATED ETHERS OF AROMATIC ACIDS - Fluorinated ethers of aromatic acids are produced from halogenated aromatic acids in a reaction mixture containing a copper (I) or copper (II) source and a diketone ligand that coordinates to copper. The fluorinated ethers of aromatic acids made using the process described herein can be applied to, e.g., fibers, yarns, carpets, garments, films, molded parts, paper and cardboard, stone, and tile to impart soil, water and oil resistance. By incorporating the fluorinated ethers of aromatic acids, or diesters thereof, into polymer backbones, more lasting soil, water and oil resistance, as well as improved flame retardance, can be achieved. | 03-10-2011 |
| 20110065892 | PROCESS FOR THE SYNTHESIS OF FLUORINATED ETHERS OF AROMATIC ACIDS - Fluorinated ethers of aromatic acids are produced from halogenated aromatic acids in a reaction mixture containing a copper (I) or copper (II) source and an amino acid ligand that coordinates to copper. The fluorinated ethers of aromatic acids made using the process described herein can be applied to, e.g., fibers, yarns, carpets, garments, films, molded parts, paper and cardboard, stone, and tile to impart soil, water and oil resistance. By incorporating the fluorinated ethers of aromatic acids, or diesters thereof, into polymer backbones, more lasting soil, water and oil resistance, as well as improved flame retardance, can be achieved. | 03-17-2011 |
| 20110213118 | POLYARAMID COMPRISING FLUOROVINYLETHER FUNCTIONALIZED AROMATIC MOIETIES - The invention is directed to polyaramid polymers, comprising repeat units of the condensation product of a fluorovinylether functionalized aromatic diacid chloride and an aromatic diamine, and methods to make said polyaramid polymers. The polymers of this invention are useful as high strength fibers or solution cast films with reduced surface susceptibility to oil. | 09-01-2011 |
| 20110218316 | POLYESTER FILMS WITH IMPROVED OIL REPELLENCY - Provided are films made from copolyesters having improved oil repellency as compared to conventional copolyesters. The copolyesters are derived from certain perfluorinated monomers. | 09-08-2011 |
| 20110218317 | POLYESTERS COMPRISING FLUOROVINYLETHER FUNCTIONALIZED AROMATIC MOIETIES - Disclosed are polyesters, particularly poly(trimethylene terephthalate), comprising fluorovinylether functionalized aromatic repeat units, and methods to make the polyester polymers. The polymers are useful for imparting soil resistance to polyesters, particularly in the form of fibers, fabrics, and carpets. | 09-08-2011 |
| 20110218319 | POLYARAMID FILMS COMPRISING FLUOROVINYLETHER FUNCTIONALIZED AROMATIC MOIETIES - Provided are polyaramid polymers and films made from the polymers, comprising repeat units of the condensation product of a fluorovinylether functionalized aromatic diacid chloride and an aromatic diamine, and methods to make the films. | 09-08-2011 |
| 20110218353 | FLUOROVINYL ETHER FUNCTIONALIZED AROMATIC DIESTERS, DERIVATIVES THEREOF, AND PROCESS FOR THE PREPARATION THEREOF - Disclosed are fluorovinyl ether functionalized aromatic diesters and derivatives thereof. The compounds disclosed have utility as functionalized monomers and comonomers in polyesters, polyamides, and the like. It has been found that incorporation of the monomers into polymers provides improved soil resistance to shaped articles produced from the polymers. | 09-08-2011 |
| 20110300594 | PROCESS FOR MAKING LINEAR DICARBOXYLIC ACIDS FROM RENEWABLE RESOURCES - This invention provides a process of making a linear dicarboxylic acid of C | 12-08-2011 |
| 20120318136 | HOT GAS FILTRATION MEDIA AND FILTERS - A nonwoven felt for hot gas filtration. The fibers have a polyarylene sulfide (PAS) component that contains a zinc compound. In one embodiment, the PAS comprises at least one zinc(II) salt of an organic carboxylic acid. Also a method for filtering hot gases employing a bag made from a PAS component that contains a zinc or a zinc based additive. | 12-20-2012 |
| 20130005889 | POLYARYLENE SULFIDE-CONTAINING POLYMER MELT - This invention relates to methods for decreasing the complex viscosity of a polyarylene sulfide polymer melt while maintaining the molecular weight of the polyarylene sulfide with time. This invention also relates to polymer melt compositions comprising a polyarylene sulfide, wherein the complex viscosity of the composition is decreased relative to the complex viscosity of the native polyarylene sulfide measured under the same conditions, and the weight average molecular weight of the polyarylene sulfide is maintained. The methods of decreasing the complex viscosity of a polyarylene sulfide-containing polymer melt, and the polymer melt compositions so obtained, are useful in processes to produce fibers, films, nonwovens, and molded parts from polyarylene sulfides. | 01-03-2013 |
| 20130005890 | THERMAL STABILIZATION OF POLYARYLENE SULFIDE COMPOSITIONS - Provided are novel compositions comprising a polyarylene sulfide and at least one tin additive comprising a branched tin(II) carboxylate selected from the group consisting of Sn(O | 01-03-2013 |
| 20130009333 | PROCESS FOR MAKING NONWOVEN WEBS - A nonwoven web comprising bicomponent fibers. The fibers have continuous phases each of a first polyarylene sulfide (PAS) component and a polymer component. The polymer component may also be a second polyarylene sulfide. The first polyarylene sulfide component contains a tin or a zinc additive or both, and the first polyarylene sulfide component of any given fiber is at least partially exposed to the external surface of that fiber. | 01-10-2013 |
| 20130011544 | STABILIZATION OF POLYMERIC STRUCTURES - A method for stabilizing a polymeric structure against thermo-oxidative degradation is described. A polymeric core structure is provided with a skin layer that contains a skin resin in which the skin resin at least partially envelops a portion of the core structure. The skin structure then provides a barrier that thereby stabilizes the portion of the structure that is enveloped. The skin resin is made from a treated polyarylene sulfide. | 01-10-2013 |
| 20130012092 | STABILIZATION OF POLYMERIC STRUCTURES - A nonwoven web comprising bicomponent fibers. The fibers have continuous phases each of a first polyarylene sulfide (PAS) component and a polymer component. The polymer component may also be a second polyarylene sulfide. The first polyarylene sulfide component contains a tin or a zinc additive or both, and the first polyarylene sulfide component of any given fiber is at least partially exposed to the external surface of that fiber. | 01-10-2013 |
| 20130012637 | IMPROVED PROCESS FOR FORMING POLYARYLENE SULFIDE FIBERS - An improved process for forming polyarylene sulfide fibers is provided. The process comprises forming at least one fiber from a polymer melt comprising a polyarylene sulfide and at least one tin additive comprising a branched tin(II) carboxylate. Using such a melt, the fiber forming continuity is improved compared to that of the native polyarylene sulfide melt processed under the same conditions. | 01-10-2013 |
| 20130012638 | METHODS OF DECREASING VISCOSITY OF A POLYARYLENE SULFIDE-CONTAINING POLYMER MELT - This invention relates to methods for decreasing the complex viscosity of a polyarylene sulfide polymer melt while maintaining the molecular weight of the polyarylene sulfide with time. This invention also relates to polymer melt compositions comprising a polyarylene sulfide, wherein the complex viscosity of the composition is decreased relative to the complex viscosity of the native polyarylene sulfide measured under the same conditions, and the weight average molecular weight of the polyarylene sulfide is maintained. The methods of decreasing the complex viscosity of a polyarylene sulfide-containing polymer melt, and the polymer melt compositions so obtained, are useful in processes to produce fibers, films, nonwovens, and molded parts from polyarylene sulfides. | 01-10-2013 |
| 20130012671 | CURE ACCELERATION OF POLYMERIC STRUCTURES - A method for accelerating the curing of a polyarylene sulfide. The polyarylene sulfide is blended with a cure accelerator to form a mixture where the weight percentage of accelerator is between 0.2% and 15.0% of the total weight of the blend. The mixture is cured at 320° C. or above for at least 20 minutes. The cure accelerator is a compound selected from the group consisting of ionomers, hindered phenols, polyhydric alcohols, polycarboxylates, and mixtures of the foregoing. | 01-10-2013 |
| 20130012679 | 2,4,5-TRIAMINOPHENOLS AND RELATED COMPOUNDS - New triaminophenol compositions and related compounds are disclosed, as are processes for their preparation and for the preparation of novel salts and diacid complexes from such compounds. Polymers prepared from these compositions can be made into high strength fiber, film, and tape and are useful in applications such as protective apparel, aircraft, automotive components, personal electronics, and sports equipment. | 01-10-2013 |
| 20130012681 | 2,4,5-TRIAMINOPHENOLS AND RELATED COMPOUNDS - New triaminophenol compositions and related compounds are disclosed, as are processes for their preparation and for the preparation of novel salts and diacid complexes from such compounds. Polymers prepared from these compositions can be made into high strength fiber, film, and tape and are useful in applications such as protective apparel, aircraft, automotive components, personal electronics, and sports equipment. | 01-10-2013 |
| 20130012741 | 2,4,5-TRIAMINOPHENOLS AND RELATED COMPOUNDS - New triaminophenol compositions and related compounds are disclosed, as are processes for their preparation and for the preparation of novel salts and diacid complexes from such compounds. Polymers prepared from these compositions can be made into high strength fiber, film, and tape and are useful in applications such as protective apparel, aircraft, automotive components, personal electronics, and sports equipment. | 01-10-2013 |
| 20130018135 | THERMOOXIDATIVE STABILIZATION OF POLYARYLENE SULFIDE COMPOSITIONS - Provided are novel compositions comprising a polyarylene sulfide and at least one tin additive comprising a branched tin(II) carboxylate selected from the group consisting of Sn(O | 01-17-2013 |
| 20130035512 | 2,4,5-TRIAMINOPHENOLS AND RELATED COMPOUNDS - New triaminophenol compositions and related compounds are disclosed, as are processes for their preparation and for the preparation of novel salts and diacid complexes from such compounds. Polymers prepared from these compositions can be made into high strength fiber, film, and tape and are useful in applications such as protective apparel, aircraft, automotive components, personal electronics, and sports equipment. | 02-07-2013 |
| 20130046109 | INTEGRATED PROCESSES FOR THE PREPARATION OF POLYBENZIMIDAZOLE PRECURSORS - An integrated process is provided for efficiently preparing 2,4,5-triaminaphenol, starting with nitration of 2,6-dihalobenzene; high purity salts thereof; and complexes of 2,4,5-triaminophenol aromatic diacids, which are precursors for making polybenzimidazole polymer for high performance fibers. The process design eliminates several costly intermediate drying and recrystallization steps. The handling of solid materials with possible skin sensitizing properties and toxicity is avoided, thereby eliminating human and environmental exposure. | 02-21-2013 |
| 20130053573 | 2,4,5-TRIAMINOPHENOLS AND RELATED COMPOUNDS - New triaminophenol compositions and related compounds are disclosed, as are processes for their preparation and for the preparation of novel salts and diacid complexes from such compounds. Polymers prepared from these compositions can be made into high strength fiber, film, and tape and are useful in applications such as protective apparel, aircraft, automotive components, personal electronics, and sports equipment. | 02-28-2013 |
| 20130158296 | PROCESS FOR THE SYNTHESIS OF 1-AMINO-3-HALO-4,6-DINITROBENZENE - A process is provided for the preparation of 1-amino-3-halo-4,6-dinitrobenzene and related compounds by monoamination of dihalodinitrobenzenes by ammonia in the presence of solvent and water. Using glycol as a solvent for the dihalodinitrobenzene and feeding ammonia at a rate at which it is consumed allows for the synthesis of high purity product, such as 1-amino-3-chloro-4,6-dinitrobenzene, at high yields. | 06-20-2013 |
| 20130172578 | PROCESS FOR PREPARING 1, 6-HEXANEDIOL - Disclosed are processes for preparing 1,6-hexanediol and synthetic intermediates useful in the production of 1,6-hexanediol from renewable biosources. In one embodiment, a process comprises contacting levoglucosenone with hydrogen in the presence of a first hydrogenation catalyst at a first temperature to form product mixture (I); and heating product mixture (I) in the presence of hydrogen and a second hydrogenation catalyst at a second temperature to form product mixture (II) which comprises 1,6-hexanediol. | 07-04-2013 |
| 20130172579 | PROCESS FOR THE PRODUCTION OF HEXANEDIOLS - Disclosed are processes for preparing 1,2-cyclohexanediol, and mixtures of 1,2-cyclohexanediol and 1,6-hexanediol, by hydrogenating 1,2,6-hexanetriol. | 07-04-2013 |
| 20130172580 | PRODUCTION OF HYDROXYMETHYLFURFURAL FROM LEVOGLUCOSENONE - Disclosed are processes comprising contacting an aqueous reaction mixture having an initial pH between about 3 and about 6 and comprising levoglucosenone with a catalyst, and heating the reaction mixture to form a product mixture comprising 5-hydroxymethyl-2-furfural. The processes may further comprise heating the product mixture comprising 5-hydroxymethyl-2-furfural in the presence of hydrogen and a hydrogenation catalyst to form a second product mixture comprising one or more of 2,5-furandimethanol, tetrahydrofuran 2,5-dimethanol, 1,2,6-hexanetriol, 2-hydroxymethyltetrahydropyran, and 1,6-hexanediol. | 07-04-2013 |
| 20130172586 | PRODUCTION OF TETRAHYDROFURAN-2, 5-DIMETHANOL FROM ISOSORBIDE - Disclosed herein are processes comprising contacting isosorbide with hydrogen in the presence of a first hydrogenation catalyst to form a first product mixture comprising tetrahydrofuran-2,5-dimethanol. The processes can further comprise heating the first product mixture in the presence of hydrogen and a second hydrogenation catalyst to form a second product mixture comprising 1,6-hexanediol. The first and second hydrogenation catalysts can be the same or different. | 07-04-2013 |
| 20130172621 | INTEGRATED PROCESSES FOR THE PREPARATION OF POLYBENZIMIDAZOLE PRECURSORS - An integrated process is provided for efficiently preparing 2,4,5-triaminophenol, starting with nitration of 2,6-dihalobenzene; high purity salts thereof; and complexes of 2,4,5-triaminophenol aromatic diacids, which are precursors for making polybenzimidazole polymer for high performance fibers. The process design eliminates several costly intermediate drying and recrystallization steps. The handling of solid materials with possible skin sensitizing properties and toxicity is avoided, thereby eliminating human and environmental exposure. | 07-04-2013 |
| 20130172629 | PROCESS FOR PREPARING 1, 6-HEXANEDIOL - Disclosed are processes for preparing 1,6-hexanediol from levoglucosenone. In one embodiment, the process comprises contacting levoglucosenone with hydrogen in the presence of a hydrogenation catalyst comprising palladium, platinum/tungsten, nickel/tungsten, rhodium/rhenium, or mixtures thereof at a first temperature between about 50° C. and 100° C. and at a first reaction pressure between about 50 psi and 2000 psi for a first reaction period, and at a second temperature between about 120° C. and 250° C. and at a second pressure between about 500 psi and 2000 psi for a second reaction period to form a product mixture comprising 1,6-hexanediol, wherein the first reaction period is the amount of time in which the levoglucosenone has a conversion of at least about 95%. | 07-04-2013 |
| 20130204041 | 2,4,5-TRIAMINOPHENOLS AND RELATED COMPOUNDS - New triaminophenol compositions and related compounds are disclosed, as are processes for their preparation and for the preparation of novel salts and diacid complexes from such compounds. Polymers prepared from these compositions can be made into high strength fiber, film., and tape and are useful in applications such as protective apparel, aircraft., automotive components, personal electronics, and sports equipment. | 08-08-2013 |
| 20130210307 | POLYARYLENE SULFIDE COMPOSITIONS - Provided are novel compositions comprising a polyarylene sulfide and at least one tin additive comprising a branched tin(II) carboxylate selected from the group consisting of Sn(O | 08-15-2013 |
| 20130231505 | PROCESS FOR PREPARING 1,6-HEXANEDIOL - Disclosed are processes for preparing 1,6-hexanediol from levoglucosenone. In one embodiment, the process comprises contacting levoglucosenone with hydrogen in the presence of a hydrogenation catalyst comprising palladium, platinum/tungsten, nickel/tungsten, rhodium/rhenium, or mixtures thereof at a first temperature between about 50° C. and 100° C. and at a first reaction pressure between about 50 psi and 2000 psi for a first reaction period, and at a second temperature between about 120° C. and 250° C. and at a second pressure between about 500 psi and 2000 psi for a second reaction period to form a product mixture comprising 1,6-hexanediol, wherein the first reaction period is the amount of time in which the levoglucosenone has a conversion of at least about 95%. In one embodiment, the 1,6-hexanediol is converted to 1,6-diaminohexane. | 09-05-2013 |
| 20130289311 | PRODUCTION OF ALPHA, OMEGA-DIOLS - Disclosed herein are processes for preparing an α,ω-C | 10-31-2013 |
| 20130289312 | PRODUCTION OF ALPHA, OMEGA-DIOLS - Disclosed herein are processes for preparing an α,ω-C | 10-31-2013 |
| 20130289318 | PRODUCTION OF ALPHA, OMEGA-DIOLS - Disclosed herein are processes for preparing an α,ω-C | 10-31-2013 |
| 20130289319 | PRODUCTION OF ALPHA, OMEGA-DIOLS - Disclosed herein are processes for preparing an α,ω-C | 10-31-2013 |
| 20140081065 | PROCESS FOR MAKING LINEAR LONG CHAIN ALKANES USING RENEWABLE FEEDSTOCKS - A hydrodeoxygenation process for producing a linear alkane from a feedstock comprising a saturated or unsaturated C | 03-20-2014 |
| 20140087117 | POLYPHENYLENE SULFIDE COMPOSITIONS - Provided are polyphenylene sulfide compositions having improved thermo-oxidative stability, methods for obtaining them, and articles comprising the compositions. The compositions comprise polyphenylene sulfide and a bismuth additive. The bismuth additive comprises a bismuth halide, an inorganic bismuth salt, a bismuth carboxylate, an oxide comprising bismuth and a transition metal, bismuth metal, or a mixture thereof. Optionally, the compositions further comprise at least one zinc(II) compound. | 03-27-2014 |
| 20140097134 | SOLUTION PHASE PROCESSING OF POLYARYLENE SULFIDE - Provided are methods for obtaining modified polyarylene sulfide compositions having improved thermal and thermo-oxidative stability, the compositions so obtained, and articles comprising the compositions. The method comprises the steps of contacting, in the presence of a suitable solvent, a polyarylene sulfide with at least one reducing agent and at least base to form a first mixture. The reducing agent comprises zinc(0), tin(0), tin(II), bismuth (0), bismuth(III), or a combination thereof. The first mixture is heated to form a second mixture in which the polyarylene sulfide is dissolved. The polyarylene sulfide is then precipitated to obtain a modified polyarylene sulfide. | 04-10-2014 |
