Barlay; Andrew E. - US Patent Attorneys and Agents

Attorney: Barlay; Andrew E.

Number of patents: 67
Last date: October 18, 1994

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Number	Title	Issue Date
5356725	Corrosion-resistant aluminum alloy brazing composite A novel aluminum alloy brazing composition is provided consisting of a core alloy consisting of a core alloy and a cladding on at least one side of the core alloy and wherein the core alloy consists essentially of manganese from about 0.8 to about 1.5%, s...	10/18/1994
5102033	Method for improving the fillet-forming capability of aluminum vacuum brazing sheet products The fillet-forming ability of brazeable aluminum alloy materials, such as brazing sheet or heat exchanger components, for example fins, tubes and headers, is significantly improved by treating the material, prior to brazing, with an aqueous acid solution ...	04/07/1992
5031551	Sewing machine attachments Apparatus and method for sewing a length of fabric into seamed tubing that has a consistently uniform diameter and cross-sectional configuration along substantially its entire length, wherein simplified guide means and steps are employed for controlling t...	07/16/1991
5002908	Resin bonded refractory shape and method of making A resin bonded refractory composition of increased pressability and consequently increased density and strength is made by adding potassium borate to prior art refractory compositions....	03/26/1991
4868147	Alumina of high macroporosity and stability A calcined and shaped alumina, exhibiting a stabilized, high pore volume and a low surace area together with high strength, is made from an alumina, such as pseudoboehmite or chi-rho-eta alumina or mixtures of different alumina species. The stabilized pro...	09/19/1989
4861744	Process for preparing a fluorination catalyst and the catalyst prepared by the process A novel catalyst is prepared by codepositing hexavalent chromium oxide and a transition metal compound, preferably titanium trichloride, on alumina, followed by fluorinating the resulting combination. The catalyst is useful in the fluorination of a haloet...	08/29/1989
4792643	Catalyst and process for 1,1,1,2-tetrafluoroethane by vapor phase reaction A novel catalyst is prepared by codepositing hexavalent chromium oxide and a transition metal compound, preferably titanium trichloride, on alumina, followed by fluorinating the resulting combination. The catalyst is useful in the fluorination of a haloet...	12/20/1988
4761266	Controlled addition of lithium to molten aluminum Lithium feed to an aluminum-lithium alloy production system is achieved at a highly controlled rate by advancing a plunger at a predetermined volumetric rate into a body of molten lithium retained in a holding vessel to displace the lithium toward an over...	08/02/1988
4735815	Treatment of impure frying oils Used frying oils are regenerated and made suitable for reuse by treating the used oils with a composition consisting of a mixture of activated clay or magnesium silicate with a gel-derived alumina. The treating composition contains from about 15% by weigh...	04/05/1988
4735867	Corrosion resistant aluminum core alloy A novel aluminum alloy contains vanadium as an alloying element, at a concentration ranging from about 0.02% to about 0.4% by weight. The vanadium imparts corrosion resistance to the alloy, particularly when the alloy is used as a core alloy in a vacuum b...	04/05/1988
4722872	Clad magnetic memory disk substrate A magnetic memory disk substrate which maintains a high degree of surface smoothness together with high yield strength is prepared by cladding a core material with a cladding layer containing a maximum of about 3% magnesium. The core material is aluminum ...	02/02/1988
4701438	Treating compositions for used frying oils Used frying oils are regenerated and made suitable for reuse by treating the used oils with a composition consisting of a mixture of activated clay or magnesium silicate with a gel-derived alumina. The treating composition contains from about 15% by weigh...	10/20/1987
4699672	Method of producing Al-Zn-Mg magnetic memory disk substrates Computer memory disk substrates which can be age hardened to a high yield strength after thermal flattening and yet are essentially free of magnesium silicide constituents detrimental to surface smoothness are prepared by replacing a portion of the magnes...	10/13/1987
4699674	Thermal treatment of brazed products for improved corrosion resistance Corrosion resistance in a brazed aluminum product is improved by subjecting the product to a heat treatment at a temperature of 300° F. to 800° F. for at least about one hour, preferably preceded by cooling the product to a temperaure below the temperat...	10/13/1987
4663133	Removal of high molecular weight organic compounds from Bayer process caustic liquor High molecular weight organic compounds, such as humic acid derivatives, are removed from Bayer process caustic liquors by oxidation of these compounds. The process involves addition of oxygen to the caustic liquor in quantities in the range established b...	05/05/1987
4639259	Promoted scavenger for purifying HCl-contaminated gases HCl-contaminated gas streams are purified by contacting the contaminated gas with an alumina-containing material which has been promoted with an alkaline earth metal salt....	01/27/1987
4635842	Process for manufacturing clad aluminum-lithium alloys A metallurgical bond at the interface between an aluminum-lithium core alloy and a metallic liner is achieved by first forming a mechanical bond along the interface between the core and liner under moderated temperature and reduction conditions, and then ...	01/13/1987
4601112	Liquid edgebead removal device This invention is concerned with an improved apparatus system and method for removing liquid coolant from the side marginal edges of a continuously moving metal strip or sheet after it exits from a rolling mill and subsequent to the prior diversion and co...	07/22/1986
4597792	Aluminum-based composite product of high strength and toughness High strength and high toughness are combined in an aluminum-based metallic product by dispersing particles of an aluminum-based metal having a toughness of at least about 20 foot-pounds through a matrix of aluminum-based metal having a yield strength of ...	07/01/1986
4578255	Purification of Bayer process liquors Bayer process liquors derived from the digestion of bauxites with a caustic solution are purified by removing at least a portion of the organic impurities present in the liquors. Removal of these impurities is accomplished by treating liquor containing di...	03/25/1986
4575306	Slurry pump mechanical seal mounting assembly A mechanical seal mounting assembly for a centrifugal high solids concentration slurry pump is disclosed. A rotating seal ring adapter is secured to the pump's impeller drive shaft for rotation with the shaft. A stationary seal ring adapter is secured to ...	03/11/1986
4568527	Utilization of partially calcined alumina as precipitation aid in the Bayer process Finely divided alumina, recovered from the dust recovery systems of alumina hydrate calcination facilities, is employed as seed for the precipitation of alumina hydrate from pregnant Bayer process liquors. The finely divided alumina dust can either be use...	02/04/1986
4559114	Nickel sulfate coloring process for anodized aluminum Anodized aluminum-based metal workpieces are colored in a nickel-based electrolytic coloring process in which the nickel ion is supplied in the form of nickel sulfate in acidic solution. Improvements in both throwing power and coloring rate are observed a...	12/17/1985
4512170	Process and apparatus for strip flatness and tension measurements A process and apparatus for on-line measurement of unflatness of hot or cold rolled strip products, wherein the longitudinal bending of a shape roll over which the strip passes provides a measure of the unflatness of the strip. Actual values of force, dis...	04/23/1985
4512961	Dealumination of faujasite-type zeolites using ion exchange resins Faujasite-type zeolites of high catalytic activity, low coke-forming property and stable crystalline structure are prepared by using a combination of hydrothermal treatment and ion exchange resin removal of aluminum from the crystalline structure of the z...	04/23/1985
4511542	Bayer process production of alumina hydrate An improved precipitation system is provided for the Bayer process production of alumina hydrate. In order to produce coarse and strong alumina hydrate at high yield, supersaturated Bayer process sodium aluminate liquor is seeded with a relatively small s...	04/16/1985
4510784	Rolling mill spray bar A device for applying coolant/lubricant to the surface of the rolls of the rolling mill and/or the workpiece being rolled. The device comprises a housing having a plurality of nozzles associated therewith, a rotating inner manifold having a plurality of a...	04/16/1985
4509580	Bottom block This invention relates to an improved bottom block for vertical DC and EM casting large ingots and billets, particularly ingots having generally rectangularly shaped cross sections which are rolled into sheet and plate. The improved bottom block stably su...	04/09/1985
4477336	Acid dealuminated Y-zeolite and cracking process employing the same Cracking of hydrocarbons with a mixture of acid dealuminated, rare earth metal exchanged Y-zeolite having a SiO2 /Al2 O3 molar ratio of more than about 6 and not more than about 300, and non-dealuminated rare earth metal e...	10/16/1984
4476239	Production of fluid catalytic cracking catalysts Preparation of fluid catalytic cracking catalysts is improved by incorporating a viscosity-reducing agent, having the general formula of Al2 (OH)5 NO3, in the aqueous slurry containing the catalyst components of zeolite, c...	10/09/1984
4459271	Process for the exchange of crystalline zeolites This invention relates to exchanging the sodium contained in a crystalline zeolite by partially removing sodium by exchange with another cation, partially drying the exchanged zeolite and re-exchanging the dried zeolite....	07/10/1984
4443379	Solid bleaching composition for edible oils A composition useful for the adsorptive bleaching of edible oils, particularly of vegetable oils, is disclosed. The composition consists essentially of a major portion of bleaching clay and a minor portion of an alumino-silicate zeolite preferably of the ...	04/17/1984
4443416	Purification of bayer process liquors Sodium oxalate impurity is removed from oxalate-enriched Bayer process caustic liquor by gradual increase of the caustic concentration of the liquor, thus providing a staged precipitation of the sodium oxalate in a well-crystallized and readily filterable...	04/17/1984
4443553	Production of fluid catalytic cracking catalysts In the process of preparing fluid catalytic cracking catalysts where an aqueous slurry, containing a zeolite, or zeolites, an alumina-containing binder, a clay and a silica source, is subjected to drying to form essentially water-free solid catalyst parti...	04/17/1984
4430310	Purification of impure Bayer process liquors Bayer process caustic liquors are purified by treating the liquors with an organic solvent of relatively low boiling point, such as methanol, which causes the precipitation of inorganic carbonate and/or sulfate salt from the treated liquor. The treating s...	02/07/1984
4430719	Calcination control system Nuclear magnetic resonance (nmr) is employed for the control of heat-input or feed rate of calcination and/or drying facilities. The residual volatile material content of the heat-treated material is monitored by nmr and the results obtained from the moni...	02/07/1984
4388222	Ni/Co Mo P On titania-alumina hydrodesulfurizing catalyst This invention relates to improvements in substrates containing alumina and a Group IV-B oxide and in producing the same and in processes of producing hydrodesulfurizing catalysts based on Group VIII and Group VI-B in the catalysts employing such substrat...	06/14/1983
4382854	Ni/Co Mo P on titania-alumina hydrodesulfurizing catalyst and process of hydrodesulfurizing using the same This invention relates to improvements in substrates containing alumina and a Group IV-B oxide and in producing the same and in processes of producing hydrodesulfurizing catalysts based on Group VIII and Group VI in the catalysts employing such substrates...	05/10/1983
4362652	Cracking catalysts containing silica-alumina gels This invention relates to the production of a cracking catalyst derived from hydrothermal treatment of an ammoniated silica-alumina gel, the alumina component of which is formulated from a mixture of anionic and cationic aluminum containing salts....	12/07/1982
4356113	Substrates with calibrated pore size and catalysts employing the same This invention relates to a process for production of catalyst substrates and catalysts of calibrated pore size distribution by incorporation in and removal of particles of determined particle size from substrate or catalyst formulations....	10/26/1982

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Attorney: Barlay; Andrew E.