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| Number | Title | Issue Date |
| 8178696 | Processes for producing N-alkylpyrazole Processes are provided for combining nonsubstituted hydrazine (N2H4), a strong acid, alcohol, and tetraalkoxypropane to produce N-alkylpyrazole. ... | 05/15/2012 |
| 8178692 | Methods for production of 1,2,4-triazol-3-one Novel methods for producing 1,2,4-triazol-3-one from semicarbazide hydrochloride and formic acid are provided. In methods of this invention, ethanol is used in removal of unreacted formic acid to increase yield and purity of produced 1,2,4-triazol-3-one. ... | 05/15/2012 |
| 8178691 | Methods for production of 1,2,4-triazol-3-one Novel methods for producing 1,2,4-triazol-3-one from semicarbazide hydrochloride and formic acid are provided. In methods of this invention, water is used in removal of unreacted formic acid to increase yield and purity of produced 1,2,4-triazol-3-one. ... | 05/15/2012 |
| 8168723 | Brominated styrenic polymers and their preparation Preparing brominated styrenic polymer by maintaining a mixture formed from (i) brominating agent, (ii) a solvent solution of styrenic polymer, and (iii) aluminum halide catalyst, at −20 to +20° C., and terminating bromination in 20 minutes or less. New brominated... | 05/01/2012 |
| 8163969 | Alkylation process using a catalyst comprising rare earth containing zeolites and a hydrogenation metal An improved alkylation process utilizing a solid-acid catalyst comprising a rare earth containing zeolite and a hydrogenation metal is disclosed. ... | 04/24/2012 |
| 8133469 | Processes for conjointly producing bromine and calcium chloride Processes are provided for conjointly producing Br2 and a concentrated aqueous solution containing at least about 5 wt % CaCI2, based on the weight of the concentrated aqueous solution, from an HBr-rich recycle stream and a feed brine dilute in... | 03/13/2012 |
| 8133468 | Processes for conjointly producing bromine, calcium chloride, and chlorine Processes are provided for conjointly producing Br2, a concentrated aqueous solution containing CaCI2, and Cl2 from an aqueous HBr-rich stream and a feed brine dilute in CaCI2 that comprises NaCI. Such processes can compri... | 03/13/2012 |
| 8133467 | Processes for conjointly producing bromine and calcium chloride Processes are provided for conjointly producing Br2 and a concentrated aqueous solution containing at least about 5 wt % CaCI2, based on the weight of the concentrated aqueous solution, from an aqueous HBr rich stream and, optionally, a feed brine dilute in CaCI2. S... | 03/13/2012 |
| 8129325 | Stabilized propyl bromide compositions Certain substituted phenolic compounds when used with or without 1,2-epoxides as the sole stabilizer components are very effective in stabilizing n-propyl bromide (NPB). In a standard commercially important 60° C. stability test, representative substituted phenolic... | 03/06/2012 |
| 8119846 | Separation and/or recovery of propyl bromide Described is a process for separating an organic phase comprising mainly propyl bromide from a crude reaction mixture formed by free-radical catalyzed hydrobromination of propylene with hydrogen bromide. The process comprises (A) feeding cold water into an upper or ... | 02/21/2012 |
| 8071688 | Brominated anionic styrenic polymers and their preparation Concurrently fed into a reaction zone held at about 10° C. or less are brominating agent, aluminum halide catalyst, and a solution of anionic styrenic polymer having a GPC Mn about 2000-30,000. The components are in at least two separate feed streams. The feeds are... | 12/06/2011 |
| 8067331 | Bulk catalyst comprising nickel tungsten metal oxidic particles The invention relates to a nickel tungsten bulk catalyst, to a process for the manufacture of said catalyst and to the use of said catalyst for the hydrotreatment, in particular the hydrodesulphurisation and hydrodenitrogenation of hydrocarbon feedstock. The catalys... | 11/29/2011 |
| 8067088 | Pelletized brominated anionic styrenic polymers and their preparation and use Despite the frangibility of additive-free granules of brominated anionic styrenic polymer, pellets of unadulterated brominated anionic styrenic polymer are provided having 50 wt % or more bromine content, in which 70 wt % or more of the pellets are retained on a US ... | 11/29/2011 |
| 8057763 | Process for recovering group VIB metals from a catalyst The invention relates to a process for recovering Group VIB metals from a catalyst, in particular a spent bulk catalyst, comprising one or more Group VIB metals and one or more Group VIII metals. Further, the invention relates to a solid Group VIB metal compound obt... | 11/15/2011 |
| 8034986 | Processing of solid brominated aromatic organic compounds containing occluded bromine Solid-state highly brominated compounds such as solid brominated flame retardants with bromine contents of at least about 60 wt % often contain occluded bromine. Because of their high bromine contents, such compounds have relatively low solubility in common organic ... | 10/11/2011 |
| 8012343 | Heavy feed HPC process using a mixture of catalysts The present invention pertains to a process for the hydroprocessing of heavy hydrocarbon feeds, preferably in an ebullating bed process, by contacting the feed with a mixture of two hydroprocessing catalysts meeting specified pore size distribution requirements. The... | 09/06/2011 |
| 7994373 | Preparation and provision of high assay decabromodiphenylethane High assay, reaction-derived decabromodiphenylethane product is prepared by feeding (i) diphenylethane or (ii) partially brominated diphenylethane having an average bromine number less than about two, or (iii) both of (i) and (ii), into the liquid confines of a reac... | 08/09/2011 |
| 7964528 | Process for the preparation of a shaped bulk catalyst The invention relates to a process for the preparation of a shaped bulk catalyst comprising metal oxide particles comprising one or more Group VIII metals and two or more Group VIB metals which process comprises the steps of providing first metal oxidic particles co... | 06/21/2011 |
| 7956000 | Process for activating a hydrotreating catalyst The invention pertains to a process for activating an hydrotreating catalyst comprising a Group VIB metal oxide and a Group VIII metal oxide which process comprises contacting the catalyst with an acid and an organic additive which has a boiling point in the range o... | 06/07/2011 |
| 7951741 | Mixed metal catalyst comprising a combustible binder, its process of preparation and use The present invention pertains to a catalyst composition comprising at least one non-noble Group VIII metal component, at least two Group VIB metal components, and at least about 1 wt. % of a combustible binder material selected from combustible binders and precurso... | 05/31/2011 |
| 7922894 | HPC process using a mixture of catalysts The present invention pertains to a process for hydroprocessing a heavy hydrocarbon oil, comprising contacting a heavy hydrocarbon oil in the presence of hydrogen with a mixture of hydroprocessing catalyst I and hydroprocessing catalyst II. The process of the invent... | 04/12/2011 |
| 7887618 | Methods and sorbents for utilizing a hot-side electrostatic precipitator for removal of mercury from combustion gases Methods are provided for reducing emission of mercury from a gas stream by treating the gas with carbonaceous mercury sorbent particles to reduce the mercury content of the gas; collecting the carbonaceous mercury sorbent particles on collection plates of a hot-side... | 02/15/2011 |
| 7871547 | Halide reduction in dihydrocarbylmagnesium mixtures This invention provides a process for reducing the amount of soluble halide in a solution comprising a liquid organic medium, at least one viscosity reducing agent, at least one dihydrocarbylmagnesium compound, and an initial amount of soluble halide. The process co... | 01/18/2011 |
| 7862749 | Flame retardant polyurethanes and additives therefor A free-flowing, stable liquid flame retardant mixture comprised of or formed by mixing together components comprised of: A) at least one organic halogen-containing reactive flame retardant in which the halogen is bromine, chlorine or both; and B) a liquid additive t... | 01/04/2011 |
| 7851662 | Preparation and provision of high assay decabromodiphenylethane High assay reaction-derived decabromodiphenylethane product is produced and provided. The process comprises feeding diphenylethane, a partially brominated diphenylethane, or both subsurface into the liquid phase of a reaction mixture formed from components comprisin... | 12/14/2010 |
| 7781619 | Process for the decarboxylation of fatty acids A process for the production of a ketone having a carbon number between about 20 and about 40 comprising contacting fatty acids containing from about 10 to about 21 carbons atoms with a hydrotalcite catalyst under conditions effective to decarboxylate said acids. Mo... | 08/24/2010 |
| 7750197 | Alkylation process using a catalyst comprising a solid acid and a hydrogenation metal The invention relates to a process for alkylating a hydrocarbon feed which comprises contacting the hydrocarbon feed to be alkylated with an alkylation agent in the presence of a catalyst comprising a solid acid, a hydrogenation metal, and 1.5-6 wt % of water, measu... | 07/06/2010 |
| 7713510 | Processes for oxidation of bromides to produce bromine and catalysts useful therein Methods are provided for producing bromine wherein an aqueous solution is formed from at least a bromide source, an oxidant, and a catalyst comprising a Group 1 cation and an oxide of a transition metal. ... | 05/11/2010 |
| 7666944 | Flame retarded fibers and filaments and process of production therefor A fiber or filament which is formed from ingredients comprising (a) at least one fiber-forming thermoplastic polymer and (b) at least one polybrominated anionic styrenic polymer is provided. The polybrominated anionic styrenic polymer has a bromine content of at lea... | 02/23/2010 |
| 7666943 | Flame retarded fibers and filaments and process of production therefor A fiber or filament which is formed from ingredients comprising (a) at least one fiber-forming thermoplastic polymer, and (b) at least one polybrominated anionic styrenic polymer is provided. The polybrominated anionic styrenic polymer has a bromine content of at le... | 02/23/2010 |
| 7638583 | Brominated anionic styrenic polymers and their preparation Concurrently fed into a reaction zone held at about 10° C. or less are brominating agent, aluminum halide catalyst, and a solution of anionic styrenic polymer having a GPC Mn about 2000-30,000. The components are in at least two separate feed streams. The feeds are... | 12/29/2009 |
| 7632893 | Brominated styrenic polymers and their preparation Preparing brominated styrenic polymer by maintaining a mixture formed from (i) brominating agent, (ii) a solvent solution of styrenic polymer, and (iii) aluminum halide catalyst, at −20 to +20° C., and terminating bromination in 20 minutes or less. New brominated... | 12/15/2009 |
| 7608558 | Hydrotreating catalyst containing a group V metal The present invention pertains to a sulfur-containing catalyst composition suitable for the hydrotreating of hydro-carbon feeds which comprises a Group VIB metal component selected from molybdenum, tungsten, and mixtures thereof, a Group V metal component selected f... | 10/27/2009 |
| 7585443 | Pelletized brominated anionic styrenic polymers and their preparation and use Despite the frangibility of additive-free granules of brominated anionic styrenic polymer, it has been found possible by use of special mechanical processing to provide pellets of unadulterated brominated anionic styrenic polymer having a bromine content of at least... | 09/08/2009 |
| 7576025 | Composition for reducing O emissions in FCC regeneration process A composition comprising FCC catalyst particles and additive particles suitable for the reduction of NOx emissions from a FCC regenerator, said additive particles comprising a Mg and Al-containing anionic clay or solid solution, a rare earth metal oxide, ... | 08/18/2009 |
| 7576024 | Catalyst composition comprising anionic clay and rare earth metals, its preparation and use in FCC The invention relates to a composition comprising anionic clay and rare earth metal hydroxy carbonate. This composition can suitably be used in FCC for the reduction of NOx and/or SOx emissions, the reduction of the S and/or N-content in fuels, and as a metal trap. | 08/18/2009 |
| 7476309 | Two-stage heavy feed hpc process The present invention pertains to a method for hydroprocessing a heavy hydrocarbon oil, comprising bringing a heavy hydrocarbon oil into contact with hydroprocessing catalyst I in the presence of hydrogen in a first stage, after which the effluent of the first stage... | 01/13/2009 |
| 7473663 | Process for the preparation of an additive-containing anionic clay Process for the preparation of an additive-containing anionic clay comprising the steps of (a) preparing a physical mixture of a divalent and a trivalent metal compound, (b) calcining the physical mixture at a temperature in the range 200-800° C. without performing... | 01/06/2009 |
| 7448561 | Process for conversion and size reduction of solid particles A combined process for the conversion of solid starting particles into solid intermediate particles and reducing the median diameter of the intermediate particles to obtain product particles. This process involves flowing a suspension of starting particles through a... | 11/11/2008 |
| 7445936 | Process for small-scale testing of FCC catalysts The present invention pertains to A cyclic process for testing FCC catalysts with resid feedstock on a small scale wherein in a first cycle: a) the feed to be cracked is heated to a temperature between 50 and 500° C., ... | 11/04/2008 |
