A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 8148593 | Process for hydrocarbon conversion with on-line solid particulate material removal This invention relates to a process for converting a hydrocarbon feedstock, comprising the steps of (A) feeding the feedstock to a reactor or adsorption unit; (B) contacting the feedstock in the reactor or adsorption unit with a solid particulate material useful for... | 04/03/2012 |
| 7638673 | Process for hydrocarbon conversion with on-line solid particulate material removal This invention relates to a process for converting a hydrocarbon feedstock, comprising the steps of (A) feeding the feedstock to a reactor or adsorption unit; (B) contacting the feedstock in the reactor or adsorption unit with a solid particulate material useful for... | 12/29/2009 |
| 7485768 | Processes for making higher octane motor fuels having a low reid vapor pressure from naphtha boiling range feedstocks Pentanes are separated from a naphtha boiling range feedstock to provide a gasoline stock having a high RON and low RVP. The isopentane is isomerized to make normal pentane and normal pentane is withdrawn as a feed, preferably for a steam cracker. ... | 02/03/2009 |
| 7439410 | Integrated alkylation-isomerization process An integrated isomerization-alkylation process is disclosed that uses a common distillation zone. The process can comprise halogen removal. The process is suitable for the production of motor fuels from isoparaffins and olefins using solid alkylation and isomerizati... | 10/21/2008 |
| 7439409 | Process for para-xylene production from light aliphatics Low-value mixed butanes are processed to obtain a high yield of high-purity para-xylene. Processing steps may comprise fractionation to recover isobutane, dehydrogenation of the isobutane to isobutene, dimerization of the isobutene to obtain C8 iso-olefin... | 10/21/2008 |
| 7435865 | Method for separating hydrocarbons and use of a zeolite therefor A method for separating a mixture of hydrocarbons into fractions enriched in linear, mono-branched, or multi-branched hydrocarbons is disclosed. In particular, mono-branched alkanes are separated from a mixture of alkanes containing multi-branched, mono-branched and... | 10/14/2008 |
| 7405339 | Catalyst composition comprising a heteropoly acid, zinc, and a support component and processes therefor and therewith A process of contacting at least one isoparaffin and at least one C5 olefin in the presence of a catalyst composition under conversion conditions to provide for converting the at least one isoparaffin and the at least one C5 olefin is provided.... | 07/29/2008 |
| 7384538 | Catalyst combination for the hydroisomerization of waxy feeds at low pressure A process for the hydroisomerization of a waxy feed having a major portion boiling above 650° F. to produce a lubricating base oil having a lower pour point, said process comprising (a) passing the waxy feed along with hydrogen gas through a hydroisomerization zone... | 06/10/2008 |
| 7365939 | Dynamic-pressure bearing device and disk drive An ionic liquid is utilized as the dynamic-pressure fluid charged inside a bearing space formed in the gap where an axial bushing (axial component) [21] and a bearing sleeve (bearing component) [13] oppose. Designing a dynamic-pressure bearing device i... | 04/29/2008 |
| 7357836 | Crystalline membranes In certain aspects, the invention features methods for forming crystalline membranes (e.g., a membrane of a framework material, such as a zeolite) by inducing secondary growth in a layer of oriented seed crystals. The rate of growth of the seed crystals in the plane... | 04/15/2008 |
| 7354507 | Hydroprocessing methods and apparatus for use in the preparation of liquid hydrocarbons The present invention is generally related towards enhancing the yield and/or cold-flow properties of certain hydrocarbon products, increasing the degree of isomerization in a diesel product and/or increasing the production rate of a diesel product. The embodiments ... | 04/08/2008 |
| 7348462 | Process for preparing branched olefins from a paraffinic wax A process for preparing branched alkyl aromatic hydrocarbons, which process comprises contacting branched olefins with an aromatic hydrocarbon under alkylating conditions, which branched olefins have been obtained by a process which comprises dehydrogenating an isop... | 03/25/2008 |
| 7332072 | Process to prepare a waxy raffinate A process to prepare a waxy raffinate product by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch derived feed, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-Tr... | 02/19/2008 |
| 7326819 | High-activity isomerization catalyst and process A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component of... | 02/05/2008 |
| 7319178 | Molecular sieve compositions, catalysts thereof, their making and use in conversion processes The invention relates to a catalyst composition, a method of making the same and its use in the conversion of a feedstock, preferably an oxygenated feedstock, into one or more olefin(s), preferably ethylene and/or propylene. The catalyst composition comprises a mole... | 01/15/2008 |
| 7304199 | Solid acid catalyst and method of using same A catalyst composition includes an oxygen compound of an element selected from Group IVB or Group IVA of the Periodic Table of the Elements; an oxygen compound of an element selected from Group VIB or Group VIA of the Periodic Table of the Elements; and at least abo... | 12/04/2007 |
| 7300565 | Process to prepare a microcrystalline wax and a middle distillate fuel The invention relates to a process to prepare a microcrystalline wax and a middle distillate fuel by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product, wherein the weight ratio of compounds having at least 60 or more carbon atoms and compound... | 11/27/2007 |
| 7285206 | Process to prepare a lubricating base oil and a gas oil A process to prepare a lubricating base oil and a gas oil by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-T... | 10/23/2007 |
| 7285693 | Process to prepare a catalytically dewaxed gas oil or gas oil blending component A process to prepare a catalytically dewaxed gas oil or gas oil blending component by performing the following steps: (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product; (b) separating the product of step (a) into at least one or more fuel fr... | 10/23/2007 |
| 7282137 | Process for preparing basestocks having high VI A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreating step is under conditions such that the amount of conversion to 343° C. minus is less than 5 wt. % of the feedstock an... | 10/16/2007 |
| 7267758 | Flexible method for producing oil bases and middle distillates with hydroisomerization-conversion followed by catalytic dewaxing For producing very high quality base stock and for simultaneously producing high quality middle distillates, successive hydroisomerisation and catalytic dewaxmg steps are employed wherein the hydroisomerisation is carried out in the presence of a catalyst containing... | 09/11/2007 |
| 7256152 | Composition of catalyst and solvent and catalysis processes using this composition A composition defined: either as comprising at least one Broensted acid, designated HB, dissolved in a liquid medium with an ionic nature of general formula Q+A−, in which Q+ represents an organic cation and A− represents an an... | 08/14/2007 |
| 7252754 | Production of biodegradable middle distillates This invention relates to a process for production of middle distillates having biodegradability properties. More particularly, this invention relates to a process for production of middle distillates produced from a mainly paraffinic synthetic crude which is produc... | 08/07/2007 |
| 7252753 | Dielectric fluids and processes for making same Dielectric fluids comprising oil fractions derived from highly paraffinic wax are provided. Further provided are processes for making these dielectric fluids comprising oil fractions derived from highly paraffinic wax. The dielectric fluids are useful as insulating ... | 08/07/2007 |
| 7250107 | Flexible method for producing oil bases and distillates from feedstock containing heteroatoms For producing basic oils and in particular very high quality oils, i.e. oils possessing a high viscosity index (VI), a low aromatics content, good UV stability and a low pour point, from oil cuts having an initial boiling point higher than 340° C., possibly with si... | 07/31/2007 |
| 7241375 | Heavy hydrocarbon composition with utility as a heavy lubricant base stock A heavy hydrocarbon composition with utility as a heavy hydrocarbon base stock comprising at least 95 wt % paraffin molecules, of which at least 90 wt % are isoparaffin, containing hydrocarbon molecules having consecutive numbers of carbon atoms, is a liquid at 100Â... | 07/10/2007 |
| 7235684 | Process for preparing (branched-alkyl) arylsulfonates and a (branched-alkyl) arylsulfonate composition A process for preparing branched alkyl aromatic hydrocarbons, which process comprises contacting branched olefins with an aromatic hydrocarbon under alkylating conditions, which branched olefins have been obtained by a process which comprises dehydrogenating an isop... | 06/26/2007 |
| 7223898 | Isomerization process A process for the isomerization of a feedstream comprising C5–C6 hydrocarbons where the process involves charging hydrogen and a feedstream comprising at least normal C5–C6 hydrocarbons into an isomerization zone and c... | 05/29/2007 |
| 7220350 | Wax isomerate yield enhancement by oxygenate pretreatment of catalyst A waxy hydrocarbon feed is catalytically treated with a dewaxing catalyst that has been selectively activated. The selective activation of the catalyst involves treating the catalyst with at least one oxygenate. The selectively activated catalyst can then be used to... | 05/22/2007 |
| 7217852 | Process for producing middle distillates and middle distillates produced by that process This invention relates to middle distillates having good cold flow properties, such as the Cold Filter Plugging Point (CFPP) measured in accordance with the IP method (309), and a high Cetane number, as well as to a process for production of such distillates. More p... | 05/15/2007 |
| 7201838 | Oxygenate treatment of dewaxing catalyst for greater yield of dewaxed product Fischer-Tropsch hydrocarbon synthesis using a cobalt catalyst is used to produce waxy fuel and lubricant oil hydrocarbons from synthesis gas derived from natural gas. The waxy hydrocarbons are hydrodewaxed, with reduced conversion to lower boiling hydrocarbons, by c... | 04/10/2007 |
| 7189269 | Fuel composition comprising a base fuel, a fischer tropsch derived gas oil, and an oxygenate A fuel composition is provided containing (i) a base fuel, (ii) a Fischer-Tropsch derived gas oil and (iii) an oxygenate. The components (ii) and (iii) can be used in a tertiary fuel blend with a base fuel (i) for the purpose of achieving for the composition (a) a n... | 03/13/2007 |
| 7151199 | Hydrocarbon conversion processes using non-zeolitic molecular sieve catalysts Hydrocarbon or oxygenate conversion process in which a feedstock is contacted with a non zeolitic molecular sieve which has been treated to remove most, if not all, of the halogen contained in the catalyst. The halogen may be removed by one of several methods. One m... | 12/19/2006 |
| 7148392 | Separation of 1-butene from Cfeed streams In a process for selectively separating 1-butene from a C4 feed stream comprising at least 1-butene, cis-2-butene and trans-2-butene, the feed stream is passed through a first bed of an adsorbent comprising a crystalline microporous material to form a sub... | 12/12/2006 |
| 7132042 | Production of fuels and lube oils from fischer-tropsch wax Dewaxed fuel and lubricant base stocks are made by (a) producing a synthesis gas from natural gas, (b) reacting the H2 and CO in the gas in the presence of a cobalt Fischer-Tropsch catalyst, at reaction conditions effective to synthesize a waxy hydrocarbo... | 11/07/2006 |
| 7125818 | Catalyst for wax isomerate yield enhancement by oxygenate pretreatment A dewaxing catalyst is selectively activated by treatment with an oxygenate. Selective activation is accomplished by treated the dewaxing catalyst with a carrier feed containing oxygenate. The selectively activated dewaxing catalyst when used to dewax waxy hydrocarb... | 10/24/2006 |
| 7119240 | Method for converting natural gas to olefins A process for converting natural gas to an olefin includes heating the gas to a selected range of temperature to convert a fraction of the gas stream to reactive hydrocarbons, primarily ethylene or acetylene, and reacting with hydrogen in the presence of a catalyst ... | 10/10/2006 |
| 7087777 | Process for preparing a branched olefin, a method of using the branched olefin for making a surfactant, and a surfactant A process for preparing branched olefins comprising 0.5% or less quaternary aliphatic carbon atoms, which process comprises dehydrogenating an isoparaffinic composition over a suitable catalyst which isoparaffinic composition comprises paraffins having a carbon numb... | 08/08/2006 |
| 7087152 | Wax isomerate yield enhancement by oxygenate pretreatment of feed A waxy hydrocarbon feed is catalytically dewaxed with a catalyst that has been selectively activated. The selective activation of the catalyst involves contacting the dewaxing catalyst with a feed mixture containing waxy hydrocarbon and at least one oxygenate. The p... | 08/08/2006 |
| 7077947 | Process for preparing basestocks having high VI using oxygenated dewaxing catalyst A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreated feedstock is hydrodewaxed using a dewaxing catalyst that has been selectively activated by oxygenate treatment. The hyd... | 07/18/2006 |