Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7402716 | Hybrid cubic/hexagonal diamondoids Novel compounds having a hybrid cubic/hexagonal diamond crystal structure are disclosed. Each of the four compounds have the stoichiometric formula C26H32 and a molecular weight of 344. The four compounds are contemplated to have a utility in d... | 07/22/2008 |
| 7351327 | Process for the selective desulfurization of a mid range gasoline cut A process for concurrently fractionating and treating a full range naphtha stream. The full boiling range naphtha stream is first subjected to simultaneous thioetherification and splitting into a light boiling range naphtha, an intermediate boiling range naphtha and... | 04/01/2008 |
| 7291258 | HDS process using selected naphtha streams A process for concurrently fractionating and hydrotreating a full range naphtha stream. The full boiling range naphtha stream is subjected to simultaneous hydrodesulfurization and splitting into a light boiling range naphtha and a heavy boiling range naphtha, which ... | 11/06/2007 |
| 7094937 | Compositions comprising cyclohexamantane Disclosed are compositions comprising C26H30 hexamantane, referred to herein as peri-condensed hexamantane, fully condensed hexamantane, and cyclohexamantane. These enriched cyclohexamantane compositions comprise at least 5 percent by weight cy... | 08/22/2006 |
| 7034194 | Compositions comprising decamantanes and processes for their separation Disclosed are compositions comprising one or more decamantanes. Specifically disclosed are compositions comprising 25 to 100 weight percent of one or more decamantanes. Also disclosed are novel processes for the separation and isolation of decamantane components int... | 04/25/2006 |
| 7015014 | Isolation of carotenoid crystals The present invention relates to a crystalline carotenoid compound, such as β-carotene, with a purity of at least 95% and with substantially no solvent enclosed in the crystal lattice. The present invention further describes a process to prepare such a highly pure ... | 03/21/2006 |
| 6930206 | Process and apparatus for catalytic distillations A process for reacting a first component with itself or a second component to produce a third component in which a first material comprising a first component or said first component and a second component is fed to divided wall column having a catalytic distillatio... | 08/16/2005 |
| 6923915 | Process for the removal of impurities from combustion fullerenes The invention generally relates to purification of carbon nanomaterials, particularly fullerenes, by removal of PAHs and other hydrocarbon impurities. The inventive process involves extracting a sample containing carbon nanomaterials with a solvent in which the PAHs... | 08/02/2005 |
| 6909021 | Method of extracting lutein from green plant materials The present invention provides a method for extracting carotenoids from green plant materials using supercritical fluid extraction. A first and second supercritical fluid extraction is performed on the green plant composition at two different pressures to obtain two... | 06/21/2005 |
| 6861569 | Processes for the purification of higher diamondoids and compositions comprising such diamondoids Disclosed are processes for the recovery and purification of higher diamondoids from a hydrocarbonaceous feedstock. Specifically disclosed is a multi-step recovery process for obtaining diamondoid compositions enhanced in tetramantane components and other higher dia... | 03/01/2005 |
| 6844477 | Processes for the purification of higher diamondoids and compositions comprising such diamondoids Disclosed are processes for the recovery and purification of higher diamondoids from a hydrocarbonaceous feedstock. Specifically disclosed is a multi-step recovery process for obtaining diamondoid compositions enhanced in tetramantane components and higher diamondoi... | 01/18/2005 |
| 6831202 | Compositions comprising octamantanes and processes for their separation Disclosed are compositions comprising one or more octamantanes. Specifically disclosed are compositions comprising 25 to 100 weight percent of one or more octamantanes. Also disclosed are novel processes for the separation and isolation of octamantane components int... | 12/14/2004 |
| 6828469 | Compositions comprising heptamantane and processes for their separation Disclosed are compositions comprising one or more heptamantanes. Specifically disclosed are compositions comprising 25 to 100 weight percent of one or more heptamantanes. Also disclosed are novel processes for the separation and isolation of heptamantane components ... | 12/07/2004 |
| 6815569 | Compositions comprising tetramantanes and processes for their separation Disclosed are compositions comprising one or more tetramantanes. Specifically disclosed are compositions comprising 10 to 100 weight percent of one or more tetramantanes. Also disclosed are novel processes for the separation and isolation of tetramantane components ... | 11/09/2004 |
| 6812001 | Isolation of carotenoid crystals from microbial biomass A process for the isolation of crystalline carotenoid compound from microbial biomass comprising disrupting the microbial cell walls, separating cellular debris from the carotenoid-containing residue, washing one member of the group consisting of the microbial bioma... | 11/02/2004 |
| 6812370 | Compositions comprising hexamantanes and processes for their separation Disclosed are compositions comprising one or more hexamantanes. Specifically disclosed are compositions comprising 25 to 100 weight percent of one or more hexamantanes. Also disclosed are novel processes for the separation and isolation of hexamantane components int... | 11/02/2004 |
| 6812371 | Compositions comprising nonamantanes and processes for their separation Disclosed are compositions comprising one or more nonamantanes. Specifically disclosed are compositions comprising 25 to 100 weight percent of one or more nonamantanes. Also disclosed are novel processes for the separation and isolation of nonamantane components int... | 11/02/2004 |
| 6805800 | Method for recovering pigments from algal cultures A method and apparatus (101) for the recovery of fat soluble compounds, such as beta carotene, is described. In one embodiment of the invention a solution (102) containing a fat soluble compound is passed through a fluidised bed (104) of crystal... | 10/19/2004 |
| 6737552 | Method for extracting lutein from green plant materials The present invention provides a method for extracting carotenoids from green plant materials using supercritical fluid extraction. A first and second supercritical fluid extraction is performed on the green plant composition at two different pressures to obtain two... | 05/18/2004 |
| 6576805 | Cat cracker gas plant process for increased olefins recovery The invention relates to a new process for more efficient separation and recovery of light olefins such as ethylene and propylene from a fluid catalytic cracking unit. The new process invention for recovering olefins from a mixture of cracked hydrocarbons... | 06/10/2003 |
| 6353144 | Process for chromatographic separation of a C5-C8 feed or an intermediate feed into three effluents, respectively rich in straight chain, mono-branched and multi-branched paraffins For producing three effluents which are respectively rich in straight chain paraffins, in mono-branched paraffins, and in di-branched and tri-branched paraffins possibly with naphthenic and/or aromatic compounds, from C5-C8 cuts or intermediate cuts (C5-C... | 03/05/2002 |
| 6271433 | Cat cracker gas plant process for increased olefins recovery The invention relates to a new process for more efficient separation and recovery of light olefins such as ethylene and propylene from a fluid catalytic cracking unit. The new process invention for recovering olefins from a mixture of cracked hydrocarbons... | 08/07/2001 |
| 6187903 | Method of preparing dimeric fatty acids and/or esters thereof containing low residual interesters and the resulting dimeric fatty acids and/or dimeric fatty esters A dimeric fatty acid and/or dimeric fatty ester product having a low residual content of interesters is obtained by hydrolyzing the interesters to provide monomeric unsaturated fatty acids and alcohols as the hydrolysates and thereafter removing the hydro... | 02/13/2001 |
| 6153804 | Production of cyclopentane and/or cyclopentene from partially hydrogenated pyrolysis gasoline A process for producing cyclopentane and cyclopentene by fractional distillation of partly hydrogenated pyrolysis gasoline, in which (a) partly hydrogenated pyrolysis gasoline is fractionally distilled in a first distillation column, (b) a C5 hydroc... | 11/28/2000 |
| 6011192 | Membrane-based conditioning for adsorption system feed gases A process for treating gas streams containing hydrogen and hydrocarbons. The process includes a membrane conditioning step to remove C5 -C8 hydrocarbons, followed by a selective adsorption or membrane separation step to separate hydr... | 01/04/2000 |
| 5965785 | Amine blend neutralizers for refinery process corrosion This invention relates to inhibiting corrosion in systems of condensing hydrocarbons which contain water and chlorides, and, more particularly, in the overhead of crude oil atmospheric pipestills, with blends of amines. Preferred blends are 2-amino-1-meth... | 10/12/1999 |
| 5962756 | Natural carotenoid concentrates from plant material and a process for preparing the same Chromoplasts and/or chloroplasts are isolated from plant material. This wet mass is digested in aqueous medium with pectin- and/or protein-cleaving enzymes, insoluble substances are removed, and a carotinoid-rich sediment is obtained after acidifying the ... | 10/05/1999 |
| 5789647 | Process for the extraction of natural carotenoid dyes A process for the extraction of carotenoid dyes from pre-dried natural starting materials is described using compressed gases such as propane and/or butane in which organic entraining agents can be additionally added in order to facilitate and complete th... | 08/04/1998 |
| 5714658 | Process for the extraction of carotenes from natural sources For the extraction of carotenes, in particular of ଲ-carotene, from natural sources, these are stirred for several hours at at least 30° C. in a solvent mixture composed of acetic esters of C1 -C4 alcohols as well as a portion ... | 02/03/1998 |
| 5714664 | Process using amine blends to inhibit chloride corrosion in wet hydrocarbon condensing systems The disclosure is a process for inhibiting corrosion in condensing systems comprising wet hydrocarbons and chloride which comprises feeding a mixture of amines to the condensing system to elevate the pH profile of condensed water above the range in which ... | 02/03/1998 |
| 5659106 | Catalytic distillation process for mercaptan and olefin removal Mercaptans and olefins are removed from paraffin-rich feed streams through the use of dual zone catalytic distillation in the substantial absence of hydrogen. The mercaptans are reacted with the olefins using a first catalyst such as a sulphonated resin t... | 08/19/1997 |
| 5461184 | Method for diamondoid extraction using a solvent system A method for extracting diamondoid compounds from a hydrocarbonaceous fluid such as natural gas, that contains diamondoid compounds is disclosed. The hydrocarbonaceous fluid is mixed with a first solvent in which diamondoids are at least partially soluble... | 10/24/1995 |
| 5458741 | Separation of benzene from close boiling hydrocarbons by extractive distillation Benzene is difficult to separate from cyclohexane or cyclohexene by conventional distillation or rectification because of the close proximity of their boiling points. Benzene can be readily separated from cyclohexane or cyclohexene by using extractive dis... | 10/17/1995 |
| 5434329 | Treatment of spent refinery caustic A hydrocarbon stream is washed with caustic solution to reactively remove hydrogen sulfide and produce a spent caustic solution containing sulfide reaction products. The spent caustic solution is stripped with concentrated carbon dioxide to reactively rem... | 07/18/1995 |
| 5401891 | Production of polymerization grade dicyclopentadiene A process for purifying crude dicyclopentadiene which comprises the steps of: cracking the crude dicyclopentadiene to form a monomeric-containing effluent which comprises at least one monomer selected from the group consisting of: C4 acyclic di... | 03/28/1995 |
| 5245095 | Extraction of carotenoids from natural sources A carotenoid-enriched fraction is extracted from natural sources, such as carrots, by (i) separating the carotenoid-containing natural source into a carotenoid-containing liquid fraction and a pulp fraction, (ii) adding a carotenoid precipitation agent in... | 09/14/1993 |
| 5245104 | Method and apparatus for producing and separating diamondoid compounds from natural gas streams A method and apparatus are disclosed for recovering and separating diamondoid compounds from a produced natural gas stream containing dissolved diamondoids.... | 09/14/1993 |
| 5191062 | Steam purging of granular EPDM resins A process for substantially removing and recovering unreacted diene monomer from ethylene propylene diene monomer resin produced in a fluidized bed reactor by purging the resin with steam in a purging zone, the resin being introduced in the purging zone a... | 03/02/1993 |
| 5157200 | Process for the fractionation of a gaseous mixture containing hydrogen light aliphatic hydrocarbons and light aromatic hydrocarbons A process for the fractionation of a gaseous mixture containing hydrogen, light aliphatic hydrocarbons and light aromatic hydrocarbons wherein following compression of the mixture and separation of one or more light fractions, a gas is contacted with ligh... | 10/20/1992 |
| 5126274 | Method and apparatus for measuring diamondoid compound concentration in hydrocarbonaceous gas streams The diamondoid compound content of a hydrocarbon gas sample stream is measured in a process and apparatus for the controlled precipitation and collection of diamondoid compounds.... | 06/30/1992 |
