W. R. GRACE & CO.-CONN Patent applications |
Patent application number | Title | Published |
20160095805 | Cation Compatible Metal Oxides and Oral Care Compositions Containing the Metal Oxides - A cationic compatible metal oxide and oral care compositions containing the metal oxide are disclosed. Preferably, the oral care compositions contain a cationic compatible metal oxide and a cationic ingredient, such as for example, a cationic antibacterial agent such as cetyl pyridinium chloride (“CPC”). The cationic compatible metal oxide, e.g. silica, comprise metal oxide particles having a subtantially negative surface charge and a vitamin deposited onto or reacted with the surface of the metal oxide particles in an amount sufficient to provide a substantially positive surface charge on the metal oxide particle. Processes for making and using the vitamin modified metal oxide in oral care compositions are also disclosed. | 04-07-2016 |
20160083587 | COMPOSITE INORGANIC PARTICLES AND METHODS OF MAKING AND USING THE SAME - Composite inorganic particles and compositions containing silica particles are disclosed. Methods of making silica particles and methods of using composite inorganic particles are also disclosed. | 03-24-2016 |
20160031777 | PROCESS FOR THE SELECTIVE PRODUCTION OF PROPANOLS BY HYDROGENATION OF GLYCEROL - The present invention discloses a process for the selective hydrogenation of glycerol in the liquid phase to produce 1- and 2-propanols in high yields as the major organic products. The process comprises subjecting a glycerol stream having at least 30% by weight water to a combination of low pressure and high temperature hydrogenation conditions in the presence of a promoted or un-promoted skeletal copper catalyst. | 02-04-2016 |
20150375201 | ATTRITION RESISTANT SUPPORTS FOR FISCHER-TROPSCH CATALYST AND PROCESS FOR MAKING SAME - The invention relates to a novel method of preparing attrition resistance spinel supports for Fischer Tropsch catalysts. The process comprises: (a) combining aluminum oxide, metal compound capable of forming spinel phase, and soluble compound of a trivalent aluminum; (b) mixing the combination resulting in (a) in a manner sufficient to form a slurry comprising the aforementioned combination; and (c) processing the mixture of (b) under conditions sufficient to form metal aluminate spinel composition. Metal aluminate spinel, for example, is formed in the last step by calcining the mixture from (b) at a temperature in the range of 700 to 1300° C., but the process is also capable, of producing attrition resistant supports (e.g., having a DI of 5 or less) at a relatively lower temperature in the range of 700 to 1050° C. The invention also produces the attrition resistance with lower metal loadings than that reported for prior attrition resistant spinel supports. | 12-31-2015 |
20150366805 | POROUS SILICA GEL AS A CARRIER FOR LIQUID TECHNOLOGIES - Compositions containing a biologically active ingredient and an inorganic oxide material are disclosed. Methods of making and using compositions containing a biologically active ingredient and an inorganic oxide material are also disclosed. The present invention relates to compositions comprising inorganic oxide porous material containing a biologically active ingredient in liquid form, methods of making such compositions, and methods of using them. | 12-24-2015 |
20150251158 | Functionalized Particulate Support Material and Methods of Making and Using the Same - Functionalized particulate support material suitable for use in chromatography columns or cartridges, such as in a liquid chromatography (HPLC) column, is disclosed. Chromatography columns or cartridges containing the functionalized particulate support material, methods of making functionalized particulate support material, and methods of using functionalized particulate support material, such as a media in a chromatography column or cartridge, are also disclosed. | 09-10-2015 |
20150239841 | PROCESS AND CATALYST FOR THE PRODUCTION OF PYRIDINE AND ALKYL DERIVATIVES THEREOF - A process for increasing the overall yield of pyridine or its alkyl pyridine derivatives during a base synthesis reaction is disclosed. The process comprises reacting a C | 08-27-2015 |
20150210784 | Catalyst on silica clad alumina support - The invention concerns catalysts comprising (i) a clad catalyst support comprising (a) a core which comprises alumina particles and (b) about 1 to about 40 weight percent silica cladding, based on the weight of the clad catalyst support, on the surface of the core; the catalyst support having a BET surface area of greater than 20 m | 07-30-2015 |
20150202602 | MAGNESIUM STABILIZED ULTRA LOW SODA CRACKING CATALYSTS - A rare earth free, ultra low soda, particulate fluid catalytic cracking catalyst which comprises a reduced soda zeolite having fluid catalytic cracking ability under fluid catalytic cracking conditions, a magnesium salt, an inorganic binder, clay and optionally, a matrix material. The catalytic cracking catalyst is useful in a fluid catalytic cracking process to provide increased catalytic activity, and improved coke and hydrogen selectivity without the need to incorporate rare earth metals. | 07-23-2015 |
20150113894 | Anti-Snaking Swellable Water-Stops - The invention provides an aqueously-swellable water stop having an elongate body formed by shaping or extruding a composition mixture comprising water swelling fillers and/or polymers (e.g. Bentonite, super absorbent polymers, hydrophilic polymers), at least one elastomer or polymer, and preferably at least one plasticizer, the composition mixture when formed into an elongate water stop body having a Shore A hardness (durometer) of less than 35 and more preferably in the range of 5-35 (measured at 21° C.). The water stop body has at least one major face and a layer of pressure-sensitive adhesive attached to the face for bonding to a concrete substrate. The water stop of the invention does not require use of rigid metal and hard plastic inner cores as in prior water stop designs, and avoids curling and snaking that would allow concrete poured against the water stop to invade between the first substrate and the water stop body, and thereby providing full bonding between the water stop and thus protecting against leakage through concrete construction joints. | 04-30-2015 |
20150065614 | Functionalized Polyamines For Clay Mitigation - The present invention provides methods and compositions for treating clay-bearing aggregates, particularly those used for construction purposes, whereby inclusion of fines is maximized due to minimization of clay washing which tends to remove such fines, and whereby performance of the aggregate-containing construction material is enhanced. Exemplary methods comprise introducing to clay a water-soluble, functionalized polyamine comprising a water-soluble polyamine formed by reacting an amine compound with an epoxy compound, the polyamine thus reacted being functionalized through the use of certain halide, sulfate, or epoxy compounds. | 03-05-2015 |
20140274668 | ENHANCED PROCATALYST COMPOSITION AND PROCESS - Disclosed herein are processes for preparing procatalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present procatalyst compositions improve catalyst selectivity and also increase the bulk density of the formant polymer. | 09-18-2014 |
20140243188 | ALUMINUM SULFATE BOUND CATALYSTS - Alumina binder obtained from aluminum sulfate, the process of preparing the binder and the process of using the binder to prepare catalyst compositions are disclosed. Catalytic cracking catalyst compositions, in particularly, fluid catalytic cracking catalyst composition comprising zeolites, optionally clay and matrix materials bound by an alumina binder obtained from aluminum sulfate are disclosed. | 08-28-2014 |
20140021098 | HIGH MATRIX SURFACE AREA CATALYTIC CRACKING CATALYST STABILIZED WITH MAGNESIUM AND SILICA - Particulate catalytic cracking catalysts which comprise a zeolite having catalytic cracking ability under catalytic cracking conditions, added silica, a magnesium salt, an alumina containing binder, clay and optionally, a matrix material. The catalytic cracking catalyst has a high matrix surface area and is useful in a catalytic cracking process, in particularly, a fluid catalytic cracking process, to provide increased catalytic activity and improved coke and hydrogen selectivity without the need to incorporate rare earth metals. | 01-23-2014 |
20140021097 | SILICA SOL BOUND CATALYTIC CRACKING CATALYST STABILIZED WITH MAGNESIUM - A rare earth free particulate catalytic cracking catalyst which comprises a zeolite having catalytic cracking ability under catalytic cracking conditions, an acidified silica sol binder, magnesium salt, clay and a matrix material. The catalytic cracking catalyst has a high matrix surface area and is useful in a catalytic cracking process, in particularly, a fluid catalytic cracking process, to provide increased catalytic activity and improved hydrogen and coke selectivity without the need to incorporate rare earth metals. | 01-23-2014 |
20130281577 | Stabilized Defoamers For Cementitious Compositions - The present invention discloses additive compositions, cementitious compositions, and methods for controlling air in cementitious compositions in which colloidal nano-particles are used for stabilizing a water-dispersible defoamer within a cement-dispersant-containing aqueous additive formulation for modifying hydratable cementitious compositions such as cement or concrete. | 10-24-2013 |
20130005565 | PROCESS FOR MAKING IMPROVED ZEOLITE CATALYSTS FROM PEPTIZED ALUMINAS - This invention relates to a process of preparing a catalyst from zeolite and peptized alumina. The invention comprises adding a yttrium compound to the zeolite, either prior to, during, or after its combination with the peptized alumina. The yttrium compound can be added to the zeolite via exchange of yttrium onto the zeolite prior to addition of peptized alumina, or the yttrium can be added as a soluble salt during the combination of the zeolite and peptized alumina. In either embodiment, the zeolite catalyst is then formed from the zeolite, yttrium and peptized alumina, optionally containing other inorganic oxide. This invention is suitable for preparing fluid cracking catalysts. | 01-03-2013 |
20130001134 | HIGH LIGHT OLEFINS FCC CATALYST COMPOSITIONS - Catalytic cracking catalyst compositions and processes for cracking hydrocarbons to maximize light olefins production are disclosed. Catalyst compositions comprise at least one zeolite having catalytic cracking activity under catalytic cracking conditions, preferably Y-type zeolite, which zeolite has low amounts of yttrium in specified ratios to rare earth metals exchanged on the zeolite. Catalyst and processes of the invention provide increased yields of light olefins and gasoline olefins during a FCC process as compared to conventional lanthanum containing Y-type zeolite FCC catalysts. | 01-03-2013 |
20120329639 | PROCESS FOR MAKING IMPROVED CATALYSTS FROM CLAY-DERIVED ZEOLITES - This invention relates to a process of preparing an improved catalyst comprising a clay derived zeolite. In particular, the invention comprises combining an yttrium compound with a zeolite produced by treating clay with a silica source and under alkaline conditions. The clay derived zeolite can be further combined with conventional matrix and/or binder precursors to form particulates suitable for use as catalysts in fluid catalytic cracking (FCC). Alternatively, the clay that is treated with the silica source and alkaline conditions can be in particulate form having sizes suitable for use in FCC, and the zeolite is produced in situ within the particulate. Yttrium compound is then combined with the zeolite in the particulate, e.g., via impregnation. It has been shown that the addition of the yttrium compound improves zeolite surface area retention, and zeolite stability in catalysts comprising clay derived zeolites. | 12-27-2012 |
20120180872 | AUTOMATED YIELD MONITORING AND CONTROL - A system is adapted to automatically maintain a desired yield level for a slurry flow. Measurements of the electrical conductivity of a slurry are taken and corrected for the effects of temperature and pressure. The corrected conductivity measurements are used to arrive at a value for system yield. The system automatically determines if the yield is too high or too low relative to a desired level, and controls the rate at which accelerator is added to the slurry in order to increase or decrease yield. | 07-19-2012 |
20110284588 | SYSTEM AND PROCESS FOR INJECTING CATALYST AND/OR ADDITIVES INTO A FLUIDIZED CATALYTIC CRACKING UNIT - A preferred embodiment of a system for loading catalyst and/or additives into a fluidized catalytic cracking unit includes a bin for storing at least one of the catalyst and/or additives, and a loading unit in fluid communication with the storage bin and the fluidized catalytic cracking unit on a selective basis. The loading unit is capable of being evacuated so that a resulting vacuum within the loading unit draws the catalyst and/or additive from the bin. The loading unit is also capable of being pressurized so that the catalyst and/or additive is transferred from the loading unit to the fluidized catalytic cracking unit. | 11-24-2011 |
20110278330 | PROCESSES AND SYSTEMS FOR TRANSFERRING PARTICULATE SUBSTANCES FROM CONTAINERS - Preferred processes are provided for unloading a particulate substance from a container using a cover system comprising a cover and a wand extending through the cover. The processes can include installing the cover system on the container so that the cover mates with the container and the wand extends into the particulate substance, connecting a pipe or a hose to the wand, and drawing the particulate substance through the wand and the pipe or hose. | 11-17-2011 |
20110277876 | PROCESSES AND SYSTEMS FOR TRANSFERRING PARTICULATE SUBSTANCES FROM CONTAINERS - Preferred processes are provided for unloading a particulate substance from a container using a cover system comprising a cover and a wand extending through the cover. The processes can include installing the cover system on the container so that the cover mates with the container and the wand extends into the particulate substance, connecting a pipe or a hose to the wand, and drawing the particulate substance through the wand and the pipe or hose. | 11-17-2011 |
20110005305 | LIQUID CHROMATOGRAPHY DETECTOR AND FLOW CONTROLLER THEREFOR - A flow controller for use with a liquid chromatography detector. The flow controller includes a flow channel comprising an inlet portion, a control channel portion in communication with the inlet portion, and an outlet portion in communication with said control channel portion. The control channel portion has a cross-sectional area smaller than a cross-sectional area of a drift tube of the liquid chromatography detector for channeling the flow of droplets through the smaller cross-sectional area. The flow controller is shaped and sized to reduce pressure fluctuations and turbulence in the droplet stream of the liquid chromatography detector. | 01-13-2011 |
20100294794 | SOLIDS INJECTION PROCESS FOR ADDING PREDETERMINED AMOUNTS OF SOLIDS - A method is disclosed for controlling or monitoring the injection of one or more solids in a system, process, unit or apparatus by mathematically modeling the independent injection of the solids to maintain a determined or pre-determined ratio, percentage, fraction or relative amounts of total solids injected. The model uses historical process data, current process data and/or data from an external source to adjust set points in the master controller to maintain a predetermined amount of solids to be injected within a given period of time. In accordance with the process of the invention, new set-points are generated in the master controller using variables other than a unit or system response variable as input into the model. | 11-25-2010 |
20100294168 | Transparent Coatings - An inorganic oxide coating produced by preparing a coating composition comprising inorganic oxide particles and a polymer, applying the composition on a substrate to form a coating, and heating the substrate to remove the polymeric component, wherein the resulting coating is transparent. | 11-25-2010 |
20100133145 | Gasoline Sulfur Reduction Catalyst for Fluid Catalytic Cracking Process - A catalytic cracking catalyst composition is disclosed that is suitable for reducing the sulfur content of catalytically cracking liquid products, in particularly gasoline products, produced during a catalytic cracking process. Preferably, the catalytic cracking process is a fluidized catalytic cracking (FCC) process. The composition comprises zeolite, zinc and at least one rare earth element having an ionic radii of less than 0.95 Å at a coordination number of 6. Preferably, zinc and the rare earth element are present as cations that have been exchanged on the zeolite. The zeolite is preferably a Y-type zeolite. | 06-03-2010 |
20090148692 | ALUMINA PARTICLES AND METHODS OF MAKING THE SAME - Alumina particles and compositions containing alumina particles are disclosed. Methods of making alumina particles and methods of using alumina particles are also disclosed. | 06-11-2009 |