McBride; Thomas K., Miller; Richard G. - US Patent Attorneys and Agents

Attorney: McBride; Thomas K., Miller; Richard G.

Number of patents: 40
Last date: March 22, 1994

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Number	Title	Issue Date
5296208	Molecular sieve synthesis In the hydrothermal synthesis of crystalline microporous molecular sieves from a reaction system containing an organic templating agent, it is found that removal of at least some of the organic reagent prior to the time the formation of crystalline produc...	03/22/1994
5281258	Removal of mercury impurity from natural gas In processes for removing mercury vapor from natural gas streams by selective adsorption in fixed adsorbent beds, water is invariably adsorbed along with the mercury impurity. During the periodic purge regeneration of the adsorbent bed it is desirable to ...	01/25/1994
5281259	Removal and recovery of mercury from fluid streams In the purification of natural gas streams to remove mercury by adsorption procedures, environmental pollution is avoided by using a condenser in conjunction with the adsorption beds in a manner such that the mercury vapor contained in the purge gas used ...	01/25/1994
5271760	Recovery of liquid mercury from process streams Mercury is often removed as an impurity from process fluid streams by adsorption in fixed beds using any of several well-known adsorbents having the ability to selectively adsorb mercury. It is also common to reintroduce this sequestered mercury into the ...	12/21/1993
5262141	Insertion of silicon into the crystal framework of a zeolite Silicon is inserted into the crystal lattice of zeolites containing defect sites by reaction with SiCl4 in the presence of oxygen. It has been found that by initially dehydrating the starting zeolite and removing the hydroxyl groups existing in...	11/16/1993
5256173	Process for removing light alcohols from gas streams The light alcohol component of exhaust gases from such commercial operations as paint spraying booths and printing presses is found to be selectively adsorbed, even under high relative humidity conditions, to a surprisingly high degree using bonded high-s...	10/26/1993
5254337	Deodorizing compositions for animal grooming Animal's coats are deodorized and optionally treated in other manners by the application thereto of a composition comprising a crystalline siliceous molecular sieve which has been at least partially activated with respect to organic molecular species and ...	10/19/1993
5248647	Sapo catalysts and use thereof in methanol conversion processes Hydrothermal treatment of silicoaluminophosphate molecular sieves at temperatures in excess of about 700° C. for periods sufficient to destroy a large proportion of their acid sites while retaining at least 80 percent of their crystallinity is found to r...	09/28/1993
5248491	Zeolite LZ-276 and process for preparing same A novel aluminosilicate zeolite molecular sieve, denominated LZ-276, having effective pore diameters in the small to medium size range and possibly being topologically related to zeolite Phi, is synthesized hydrothermally in the TEAOH-Na2 O--Si...	09/28/1993
5248395	Process for purifying aqueous media Ground water which contains heavy metal ions and toxic volatile organic compounds is purified by passing an air stream through it to purge out the organic compounds, adsorbing the displaced organic compounds on a molecular sieve and destroying them using ...	09/28/1993
5233117	Methanol conversion processes using syocatalysts Hydrothermal treatment of silicoaluminophosphate molecular-sieves at temperatures in excess of about 700° C. for periods sufficient to destroy a large proportion of their acid sites while retaining at least 80 percent of their crystallinity is found to r...	08/03/1993
5230790	Hydrocarbon conversion processes using modified zeolite Omega Hydrocarbon conversion reactions are carried out over a catalyst composition containing forms of zeolite Omega synthesized by hydrothermal crystallization from reaction systems containing alkali metal cations and organic templating agents which have been ...	07/27/1993
5223145	Removal of mercury from process streams Mercury is often removed as an impurity from process fluid streams by adsorption in fixed beds using any of several well-known adsorbents having the ability to selectively adsorb mercury. It is also common to reintroduce this sequestered mercury into the ...	06/29/1993
5208197	Octane gasoline catalyst The combination of a steam-stabilized form of zeolite Y, known in the art as Y-85, and a form of zeolite beta which has been modified to maximize the weak acid sites and minimize the strong acid sites, is found to be a uniquely effective acidic component ...	05/04/1993
5207892	Hydrocarbon conversion process employing a modified form of zeolite Y Novel catalyst compositions comprising a metal hydrogenation component and a modified form of zeolite Y are found to be highly effective in the hydrocarbon conversion processes carried out in the presence of added hydrogen and involving hydrogenation as a...	05/04/1993
5192522	Zeolite LZ-277 and process for preparing same A novel aluminosilicate zeolite, denominated LZ-277 is synthesized hydrothermally from aqueous gels in the Na2 O--Al2 O3 --SiO2 system and in the absence of an organic templating agent. The as-synthesized LZ-277...	03/09/1993
5192727	Process for modifying the pore system of zeolite LZ-202 Zeolite LZ-202 and other zeolites synthesized in the absence of organic templating agents and having a crystal structure isotypic with the mineral mazzite are subjected to a three-step treatment to greatly increase their surface area, catalytic activity a...	03/09/1993
5184630	Hair deodorizing compositions and process for using Treatment of human or animal hair for purposes of waving, straightening or softening using compositions containing thioglycolic acid compounds commonly leave an undesirable odor due to the presence of residual trace amounts of the thio compound. The compo...	02/09/1993
5174979	Mixed ion-exchanged zeolites and processes for the use thereof in gas separations Lithium/alkaline earth metal X zeolites in which the lithium:alkaline earth metal equivalent ratio is from about 95:5 to about 50:50 and lithium/alkaline earth metal A zeolites in which the lithium:alkaline earth metal equivalent ratio is from about 10:90...	12/29/1992
5160033	Octane gasoline catalyst and process using same in a hydrocracking process The combination of a steam-stabilized form of zeolite Y, known in the art as Y-85, and a form of zeolite beta which has been modified to maximize the weak acid sites and minimize the strong acid sites, is found to be a uniquely effective acidic component ...	11/03/1992
5139759	Synthesis of zeolite beta Zeolite beta is synthesized hydrothermally from an aqueous reaction mixture containing the conventional reactive sources of SiO2, Al2 O3 and Na2 O tetraethylammonium halide as the source of the crystallization d...	08/18/1992
5139761	Modified zeolite omega and processes for preparing and using same Forms of zeolite Omega synthesized by hydrothermal crystallization from reaction systems containing alkali metal cations and organic templating agents, modified by calcination in air, ion-exchange, steam calcination and treatment with a low-pH aqueous amm...	08/18/1992
5139782	Facial cleansing mineral compositions A composition for the cosmetic treatment of human skin, particularly facial skin, to remove retention products from the skin surface and sebaceous follicles, is disclosed. The composition comprises a high-silica zeolite, the principal adsorbent constituen...	08/18/1992
5120693	Bonded adsorbent agglomerates Agglomerates of zeolitic molecular sieves which are bonded with particles of generally spherical amorphous colloidal-sized silica particles having nominal diameters in the range of 40 to 800 nanometers are found to have increased adsorption capacity for m...	06/09/1992
5114563	Hydrocarbon conversions using catalysts silicoaluminophosphates The catalytic conversion of hydrocarbon feedstocks is affected under effective conversion process conditions in the presence of silicoaluminophosphate-based catalyst compositions....	05/19/1992
5100644	Process for inserting silicon into zeolite frameworks The removal of aluminum and silicon atoms from the framework of crystalline zeolites and the reinsertion of at least some of the removed silicon atoms into the sites vacated by extracted aluminum atoms is accomplished by the process of contacting the zeol...	03/31/1992
5095163	Methanol conversion process using SAPO catalysts Hydrothermal treatment of silicoaluminophosphate molecular sieves at temperatures in excess of about 700° C. for periods sufficient to destroy a large proportion of their acid sites while retaining at least 80 percent of their crystallinity is found to r...	03/10/1992
5084427	Aqueous suspensions of aluminosilicate molecular sieves Stable aqueous suspensions of crystalline aluminosilicate molecular sieve particles, particularly hydrophobic crystalline siliceous molecular sieves, are provided in compositions having a consistency ranging from thin lotions to semi-solid "stick" formula...	01/28/1992
5057152	Surface cleaner/polish compositions and a process for the preparation thereof This invention relates to surface cleaner/polish compositions comprising (i) a volatile liquid carrier selected from water, a monohydroxy alcohol having from 1 to 5 carbon atoms and mixtures thereof, and (ii) a crystalline aluminosilicate selected from Ze...	10/15/1991
5047139	Catalyst for mid-barrel hydrocracking and process using same This invention pertains to a hydrocracking process for mid-distillate products and to hydrocracking catalysts having improved selectivity, activity and stability for use in the production of mid-distillate products from heavy gas oil feedstocks boiling ab...	09/10/1991
5045515	Process for preparing zeolitic adsorbents Natural clinoptilolites which have been ion-exchanged with particular proportions of metal cations such as lithium, sodium, potassium, calcium, magnesium, barium, strontium, zinc, copper, cobalt, iron and manganese, are novel and useful for the removal of...	09/03/1991
5019240	Hydrocracking process Process for hydrocracking a crude oil feed, hydrocracking catalyst employed therein and the process for its preparation....	05/28/1991
5013699	Novel zeolite compositions derived from zeolite Y Novel catalyst bases are described which are prepared by hydrothermally treating an ammonium ion exchanged sodium Y zeolite followed by low pH ammonium ion exchange to produce highly crystalline zeolite catalyst base. Catalysts incorporating such novel ze...	05/07/1991
5013535	Stabilized aluminophosphate compositions and process for preparing same Aluminophosphate-based molecular sieve compositions having the crystal structure of AlPO4 -54 are stabilized against framework collapse or conversion to other crystal structures by treatment in their hydrated state with boric acid or salts ther...	05/07/1991
5013335	Process for sequestering ammonia and the odor associated therewith Ammonia, particularly aqueous ammonia is sequestered in unexpected large amounts on zeolite molecular sieves having high proportions of silica with respect to alumina in their crystal frameworks. While conventional adsorption mechanisms are to some degree...	05/07/1991
5000931	Halogen modification of aluminophosphate molecular sieves A process for treating crystalline aluminophosphates to provide aluminophosphates having modified catalytic properties. The crystalline aluminophosphates are contacted with a halogen-derived compound at an effective temperature and for an effective time t...	03/19/1991
4996034	Process for preparing silicon substituted zeolite compositions In the process for inserting extraneous silicon atoms into lattice sites of zeolite crystals from which aluminum atoms have been extracted, it has been found that the use of more concentrated fluorosilicate salt solutions and shorter contact times between...	02/26/1991
4971682	Recovery of co-adsorbed hydrocarbons from molecular sieve adsorption units In the purification of light hydrocarbons to remove carbonyl sulfide impurity by selective adsorption thereof on molecular sieve adsorbents, significant losses of the hydrocarbon are incurred by its coadsorption on the adsorbent with the COS impurity. Con...	11/20/1990
4935580	Process for purification of hydrocarbons using metal exchanged clinoptilolite to remove carbon dioxide Clinoptilolites, including both natural clinoptilolites and those which have been ion-exchanged with metal cations such as lithium, sodium, potassium, calcium, magnesium, barium, strontium, zinc, copper, cobalt, iron and manganese, are useful for the remo...	06/19/1990
4904518	Multiphase composite and processes for preparing same This invention relates to multi-compositional, multiphase composite compositions comprising as phases thereof (i) an electronically conducting or semi-conducting substrate, (ii) an inorganic oxide composition layer in proximity to at least a portion of th...	02/27/1990

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Attorney: McBride; Thomas K., Miller; Richard G.