Kuperman, CA
Alex Kuperman, Campbell, CA US
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20090202027 | Unidirectional sweep training for an interconnect - In one embodiment, the present invention includes a receiver having a delay lock loop (DLL) to receive a clock signal and to generate a plurality of clock phases therefrom, and an offset controller including a first register set for a first phase interpolator and a second register set for a second phase interpolator. At initiation of a track pre-tune process, both phase interpolators are controlled to generate sampling signals at a common clock phase. Other embodiments are described and claimed. | 08-13-2009 |
Alex Kuperman, Ornida, CA US
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20090107886 | Hydroconversion Processes Employing Multi-Metallic Catalysts and Method for Making Thereof - A catalyst precursor composition and methods for making such a catalyst precursor are disclosed. The catalyst precursor comprises at least a promoter metal selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, having an oxidation state of +2 or +4, at least one Group VIB metal, at least one organic, oxygen-containing ligand, and a cellulose-containing material. In one embodiment, the catalyst precursor is of the formula A | 04-30-2009 |
20090112011 | HYDROCONVERSION PROCESS EMPLOYING MULTI-METALLIC CATALYSTS AND METHOD FOR MAKING THEREOF - A catalyst precursor composition and methods for making such catalyst precursor are disclosed. The catalyst precursor comprises at least a Promoter metal selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, at least one Group VIB metal, at least one organic, oxygen-containing ligand, and a cellulose-containing material. The oxygen-containing ligand is an environmentally friendly/non-toxic material having an LD50 rate of >500 mg/Kg as single oral dose to rats. Catalysts prepared from the sulfidation of such catalyst precursors are used in the hydroprocessing of hydrocarbon feeds. | 04-30-2009 |
Alexander Kuperman, San Ramon, CA US
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20130018199 | CALIXARENE-BOUND IRIDIUM-CONTAINING METAL COLLOIDS - The invention provides complexes in which a calixarene-related compound is coordinated to an iridium-containing metal colloid. The complexes can be immobilized on a substrate. The complexes of the invention are useful as tunable and highly robust isolated metal colloids that find use in binding of molecules and catalysis of chemical reactions. | 01-17-2013 |
Alexander Kuperman, Richmond, CA US
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20140088318 | Synthesis and Characterization of Open Metal Clusters - The present invention is directed to the synthesis of novel stable open metal clusters by selective oxidation of bound ligands. The synthesis comprises, for example, using an amine based oxidant for decarbonylation of specific carbonyl ligands. The synthesis can also comprise further removal of a bound amine group by an acid. The resulting metal cluster contains a coordinatively unsaturated site comprising a carbonyl vacancy. The resulting metal cluster can be used as a catalyst in a variety of chemical transformations. | 03-27-2014 |
20140166541 | HYDROPROCESSING CO-CATALYST COMPOSITIONS AND METHODS OF INTRODUCTION THEREOF INTO HYDROPROCESSING UNITS - A hydroprocessing co-catalyst composition may comprise in an embodiment a first component comprising co-catalyst particles and a liquid carrier, and a second component comprising a dispersant and a dispersant diluent. The co-catalyst particles may be in the micron size range, and the dispersant may promote dispersion of the co-catalyst particles in materials such as the liquid carrier, the dispersant diluent, and combinations thereof. Methods of introducing a hydroprocessing co-catalyst composition into a hydroprocessing system are also disclosed. | 06-19-2014 |
20140171298 | HYDROPROCESSING CO-CATALYST COMPOSITIONS AND METHODS OF INTRODUCTION THEREOF INTO HYDROPROCESSING UNITS - A hydroprocessing co-catalyst composition may comprise in an embodiment a first component comprising co-catalyst particles and a liquid carrier, and a second component comprising a dispersant and a dispersant diluent. The co-catalyst particles may be in the micron size range, and the dispersant may promote dispersion of the co-catalyst particles in materials such as the liquid carrier, the dispersant diluent, and combinations thereof. Methods of introducing a hydroprocessing co-catalyst composition into a hydroprocessing system are also disclosed. | 06-19-2014 |
20140171299 | HYDROPROCESSING CO-CATALYST COMPOSITIONS AND METHODS OF INTRODUCTION THEREOF INTO HYDROPROCESSING UNITS - A hydroprocessing co-catalyst composition may comprise in an embodiment a first component comprising co-catalyst particles and a liquid carrier, and a second component comprising a dispersant and a dispersant diluent. The co-catalyst particles may be in the micron size range, and the dispersant may promote dispersion of the co-catalyst particles in materials such as the liquid carrier, the dispersant diluent, and combinations thereof. Methods of introducing a hydroprocessing co-catalyst composition into a hydroprocessing system are also disclosed. | 06-19-2014 |
Alexander Kuperman, Ornida, CA US
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20090111683 | Hydroconversion Processes Employing Multi-Metallic Catalysts and Method for Making Thereof - A catalyst precursor composition and methods for making such catalyst precursor are disclosed. The catalyst precursor comprises at least a Promoter metal selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, at least one Group VIB metal, at least one organic, oxygen-containing ligand, and a cellulose-containing material. Catalysts prepared from the sulfidation of such catalyst precursors are used in the hydroprocessing of hydrocarbon feeds. In one embodiment, the sulfidation is carried out by contacting the catalyst precursor with hydrogen and a sulfur containing compound, wherein the contacting is carried out ex-situ. Catalysts prepared from such catalyst precursors have a fouling rate of less than 8° F. (4.4° C.) per 1000 hour. | 04-30-2009 |
20090111686 | Hydroconversion Processes Employing Multi-Metallic Catalysts and Method for Making Thereof - A catalyst precursor composition and methods for making such catalyst precursor are disclosed. The catalyst precursor comprises at least a metal compound selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, at least one Group VIB metal, at least one organic, oxygen-containing ligand, and a cellulose-containing material. Catalysts prepared from the sulfidation of such catalyst precursors are used in the hydroprocessing of hydrocarbon feeds. In one embodiment, the sulfidation is carried out by contacting the catalyst precursor with hydrogen and a sulfur containing compound in a “slow” process with the sulfidation taking place over a few days up to two weeks, e.g., for at least over 96 hours. In another embodiment, the sulfidation is in a “quick” process with the sulfidation taking place in less than 72 hours. The catalyst prepared from the slow sulfidation process gives a 700° F.+ conversion rate of at least 25% higher than the 700° F.+ conversion rate of a catalyst prepared from a quick sulfidation process. | 04-30-2009 |
Alexander Kuperman, Orinda, CA US
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20120193296 | Method for Treating Acid Mine Drainage - A process for treating acid mine drainage containing heavy metals and soluble contaminants is provided. In one embodiment, at least a metal cation is added to the acid mine drainage at a pre-select pH to form insoluble heavy metal complexes. In one embodiment, the metal cation is a trivalent metal ion, e.g., ferric iron such as in ferric sulfate. In another embodiment, a divalent metal ion such as in ferrous sulfate is used. After the removal of the heavy metal complexes, the effluent water is treated with at least a phosphate additive to remove remaining soluble contaminants, thus producing a treated water stream with reduced levels of contaminants. | 08-02-2012 |
20140206915 | PARAFFINIC JET AND DIESEL FUELS AND BASE OILS FROM VEGETABLE OILS VIA A COMBINATION OF HYDROTREATING, PARAFFIN DISPROPORTIONATION AND HYDROISOMERIZATION - The present invention relates to a new process which comprises the steps of hydrotreating, paraffin disproportionation and hydroisomerization to convert biological hydrocarbonaceous oxygenated oils comprising triglycerides into biologically-derived paraffinic jet/diesel fuels, solvents and base oils. A combination of conventional hydrogenation/dehydrogenation catalysts, such as Pt/Al | 07-24-2014 |
Alexander E. Kuperman, San Ramon, CA US
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20150119308 | PROCESS FOR PREPARING A PARA-LINEAR ALKYL-SUBSTITUTED HYDROXYAROMATIC COMPOUND - Disclosed herein is a process for preparing an isomeric mixture comprising a major amount of a para-linear mono-alkyl-substituted hydroxyaromatic compound. The process involves the steps of: (a) providing an isomeric mixture comprising a major amount of a para-di(alkyl-substituted)aromatic compound; wherein a first alkyl substituent is a C | 04-30-2015 |
20150119309 | PROCESS FOR PREPARING A PARA-BRANCHED ALKYL-SUBSTITUTED HYDROXYAROMATIC COMPOUND - Disclosed herein is a process for preparing an isomeric mixture comprising a major amount of a para-branched mono-alkyl-substituted hydroxyaromatic compound. The process involves the steps of: (a) providing an isomeric mixture comprising a major amount of a para-di(alkyl-substituted)aromatic compound; wherein a first alkyl substituent is a C | 04-30-2015 |
Alexandria E. Kuperman, Orinda, CA US
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20090111682 | Hydroconversion Processes Employing Multi-Metallic Catalysts and Method for Making Thereof - A process for making a catalyst precursor is disclosed. In one embodiment, the process comprises co-precipitating at reaction conditions forming a precipitate or cogel: at least a promoter metal compounds selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, at least one of Group VIB metal compounds, at least an organic oxygen-containing ligand L. The precursor is represented by the formula A | 04-30-2009 |
Leon Kuperman, Encino, CA US
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20090076926 | Method For Selling Multiple Like-Items In A Single Auction - An on-line auction method enables a seller to sell multiple like-items with a single auction by (a) offering an item for auction that is to be sold to the winning bidder at the end of the auction, (b) promptly communicating a post-auction offer to non-winning bidders and non-bidding viewers to purchase an additional quantity of like-items within a short first acceptance period following the auction, (c) upon the expiration of the first acceptance period, extending a second offer to non-winning bidders to purchase a like-item within a longer second acceptance period; and (d) extending a third offer to purchase an additional quantity of like-items to bidders and non-bidding viewers who have accepted a post-auction offer. | 03-19-2009 |
20100318433 | System and Method For Attracting Motivated Bidders To On-Line Auction Site - A system for diverting motivated bidders from a publisher's webpage to an on-line auction site comprises an auction website server hosting an on-line auction and having an xml file with which a potential bidder's web browser can communicate via a banner ad displayed at a publisher's website to request a list of authorized domains having access rights to communicate with the on-line auction server. Means are provided for permitting the potential bidder's web browser to open a channel of communication to the auction website's webpage in http or https format to obtain a listing from the on-line auction website of at least one auction at the on-line auction website that is ending soon and which meets search criteria specific to the publisher's webpage as previously selected by one or both of the on-line website and the publisher. The listing is in http or https format and is displayed as real-time content within the banner ad. | 12-16-2010 |