Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8158841 | Hydrotreating method To provide a method for hydrotreating a synthetic hydrocarbon oil, which removes olefins and oxygen-containing compounds by hydrotreatment with the gasification rate restrained and can efficiently convert the synthetic hydrocarbon oil generated by the FT process to ... | 04/17/2012 |
| 7700818 | Process for producing liquid hydrocarbon with hydrocracking catalyst Provided is a process and catalyst for hydrocracking paraffinic hydrocarbons which provides satisfactorily high cracking activity and middle distillate yield as well as the low pour point of the resulting gas oil all together. The catalyst of the present invention c... | 04/20/2010 |
| 7442365 | Process for preparing molecular sieve beads A process for preparing beads of various compositions has been developed. The process involves preparing a reaction mixture of sources of framework elements of a molecular sieve. The reaction mixture can optionally contain molecular sieve seeds. Additional sources o... | 10/28/2008 |
| 7345214 | Modified PT/RU catalyst for ring opening and process using the catalyst A catalyst for opening naphthenic rings has been developed. The catalyst comprises ruthenium and platinum as the active catalytic metals and a modifier with cerium being a preferred modifier. At least 50% of the platinum and ruthenium components are present as parti... | 03/18/2008 |
| 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 |
| 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 |
| 7037422 | Process for producing high RON gasoline using CFI Zeolite A process for producing a high RON naphtha which comprises contacting a hydrocarbon feed stream comprising a mixture of the isomers of C5 and C6 paraffins with a CFI zeolite, such as CIT-5, in an adsorption zone, whereby the branched isomers of... | 05/02/2006 |
| 7029572 | Process for producing high RON gasoline using ATS zeolite A process for producing a high RON naphtha which comprises contacting a hydrocarbon feed stream comprising a mixture of the isomers of C5 and C6 paraffins with ATS zeolite, such as SSZ-55, in an adsorption zone, whereby the branched isomers of ... | 04/18/2006 |
| 6908602 | Hydrocarbon conversion process Method for producing hydrogen and a hydroprocessed product from a hydrocarbonaceous feedstock by subjecting it to a catalytic hydrocracking treatment using hydrogen which has been at least partly produced from hydrocracked feedstock and subjecting at least pan of th... | 06/21/2005 |
| 6858769 | Lithium aluminate layered catalyst and a selective oxidation process using the catalyst A catalyst for the selective oxidation of hydrogen has been developed. It comprises an inert core such as cordierite and an outer layer comprising a lithium aluminate support. The support has dispersed thereon a platinum group metal and a promoter metal, e.g. platin... | 02/22/2005 |
| 6734331 | Process for producing olefins and diolefins A process for producing olefins and diolefins. A flow of gas is compressed with a prime mover in a near adiabatic path. Resistance to the flow within the adiabatic path causes a temperature rise with respect to its pressure, where it enters a near adiabatic tunnel. ... | 05/11/2004 |
| 6410814 | Process for synthesis of lower isoparaffins from synthesis gas A process for synthesis of lower isoparaffins from synthesis gas that is a mixture of hydrogen and carbon monoxide, wherein straight chain hydrocarbons are synthesized while isoparaffins and isoolefins are also produced through decomposition of hydrocarbo... | 06/25/2002 |
| 6359018 | Process for upflow fixed-bed hydroprocessing of fischer-tropsch wax An integrated process for producing a liquid hydrocarbon stream from Fischer-Tropsch hydrocarbon product without having to remove particulate contaminants such as catalyst fines from hot Fischer-Tropsch wax is disclosed. The process involves performing Fi... | 03/19/2002 |
| 6350394 | Method and apparatus for total energy fuel conversion systems An independent and conserved source of fuel and/or power comprises a top stage rocket engine firing up to 5000 F. at very high pressures, delivering jet flows up to transonic velocities into a near adiabatic tunnel for mixing in general and/or for transfo... | 02/26/2002 |
| 6299759 | Hydroprocessing reactor and process with gas and liquid quench A method and reactor system for catalytic hydrotreating and hydrocracking liquid hydrocarbon feedstock for producing a cracked liquid feedstock having a reduced contaminant level involves introducing the feedstock into the first reaction zone of a reactor... | 10/09/2001 |
| 6184430 | Hydrocracking and hydroisomerization of long-chain alkanes and polyolefins over metal-promoted anion-modified transition metal oxides A method of cracking a feedstock by contacting the feedstock with a metal-promoted anion-modified metal oxide catalyst in the presence of hydrogen gas. The metal oxide of the catalyst is one or more of ZrO2, HfO2, TiO2 and... | 02/06/2001 |
| 6175046 | Method of hydrogenating aromatic hydrocarbons in hydrocarbon oil There is provided a catalyst that is highly resistant to sulfur and nitrogen compounds and active for hydrogenation and shows a low hydrocracking rate and a long service life as well as a method of converting aromatic hydrocarbons in hydrocarbon oil conta... | 01/16/2001 |
| 6156809 | Multiple reactor system and method for fischer-tropsch synthesis A Fischer-Tropsch process is provided for synthesizing hydrocarbons, involving multiple Fischer-Tropsch reactor stages (110) arranged in series, and characterized by very low carbon monoxide conversion per Fischer-Tropsch reactor stage (110) and intermedi... | 12/05/2000 |
| 6113874 | Thermochemical regenerative heat recovery process A furnace is provided having at least two regenerator beds for heat recovery. While a first bed is being heated by hot flue gases produced by combusting a fuel and an oxidant in the furnace, a second bed, heated during a previous cycle, is cooled through ... | 09/05/2000 |
| 6036846 | Catalyst based on modified NU-87 zeolite and a process for improving the pour point of feeds containing paraffins The invention concerns a process for improving the pour point of a feed comprising paraffins containing more than 10 carbon atoms, in which process the feed to be treated is brought into contact with a catalyst comprising an NU-87 zeolite comprising silic... | 03/14/2000 |
| 5954945 | Fluid hydrocracking catalyst precursor and method A method for converting a hydrocarbonaceous feedstock to a lower boiling temperature product is described which comprises suspending metal sulfide particles and oxide particles in a reaction zone including hydrogen and the hydrocarbonaceous feedstock at h... | 09/21/1999 |
| 5938975 | Method and apparatus for total energy fuel conversion systems Process of producing power comprising: providing a turbine adapted to generate shaft work, said turbine having a combustor; and a rocket engine having a nozzle and a compressor means; feeding fuel and oxidant to the rocket engine and the rocket engine compress... | 08/17/1999 |
| 5914029 | High efficiency desulfurization process Economies in capital cost and operation of a hydrocarbon refining unit for desulfurization of diesel fuel are provided by a heat exchange sequence which eliminates the need for a fired heater on the product fractionation zone. The feed to the fractionatio... | 06/22/1999 |
| 5853566 | Zeolite-beta containing catalyst compositions and their use in hydrocarbon conversion processes for producing low boiling point materials The present invention provides a catalyst composition, and a hydrocarbon conversion process in which it is used, comprising as first cracking component a zeolite beta having a silica to alumina molar ratio of at least 20 which is in the form of crystals l... | 12/29/1998 |
| 5833839 | High purity paraffinic solvent compositions, and process for their manufacture Discloses high purity solvent compositions constituted of n-paraffins and isoparaffins, with the isoparaffins containing predominantly methyl branches, and having an isoparaffin:n-paraffin ratio sufficient to provide superior low temperature properties an... | 11/10/1998 |
| 5770040 | MTW zeolite for cracking feedstock into olefins and isoparaffins The present invention relates to a zeolite catalyst, a process for using the catalyst for conversion of hydrocarbons, especially naphtha and LPG feedstock, and a process for preparing the catalyst.... | 06/23/1998 |
| 5763724 | Method of manufacturing chemical products The present invention relates to a method of manufacturing one or more chemical products in which a chemical reaction is performed by causing one or more reagents to flow along the inside of a tube disposed in a radiation zone of a furnace. In the method,... | 06/09/1998 |
| 5730858 | Process for converting wax-containing hydrocarbon feedstocks into high-grade middle distillate products The wax-containing hydrocarbon feedstocks are pre-treated by contacting them with a homogeneous solution containing 1-5 vol. % of an acid diluted in an alcohol/water mixture (preferably containing 60-90 vol. % alcohol). The pre-treated feedstock is then c... | 03/24/1998 |
| 5728909 | Method of cracking polymeric materials catalyzed by copper The present invention is a method for depolymerizing or "cracking" polymeric materials. The method of the present invention may be used in the disposal and/or recycling of such materials. Products of the degradation of polymeric materials using the presen... | 03/17/1998 |
| 5641393 | High-silica zeolite SSZ-37 and methods of making and using same A crystalline zeolite high-silica SSZ-37 is prepared using a N,N-dimethyl-4-azoniatricyclo [5.2.2.0.sup.(2,6) ] undec-8-ene cation as a template wherein said zeolite is used in hydrocarbon conversion processes.... | 06/24/1997 |
| 5614079 | Catalytic dewaxing over silica bound molecular sieve A molecular sieve catalyst is composited with an inert binder derived from an organic silicon source and organic polymer. The catalyst is used in dewaxing of petroleum chargestocks.... | 03/25/1997 |
| 5536894 | MCM-56 as sorbent and catalyst component This invention relates to use of synthetic layered material MCM-56 as a sorbent and as a catalyst component in catalytic conversion of organic compounds. Examples of sorbent use include rapid sorption of hydrocarbons and separating at least one hydrocarbo... | 07/16/1996 |
| 5498810 | Selective isoparaffin synthesis from naphtha A process combination is disclosed to selectively upgrade naphtha to obtain products suitable for further upgrading to reformulated fuels. A naphtha feedstock is hydrogenated to saturate aromatics, followed by selective isoparaffin synthesis to yield ligh... | 03/12/1996 |
| 5475178 | Supported heteropoly acid catalysts There is provided a catalyst comprising a heteropoly acid, such as phosphotungstic acid, supported on a mesoporous crystalline material, such as M41S. A particular form of this M41S support is designated as MCM-41. There is also provided a method for prep... | 12/12/1995 |
| 5414184 | Alkane disproportionation C4 -C15 alkanes (preferably C4 -C8 alkanes) are disproportionated in the presence of at least one alkylaluminum chloride (preferably isobutylaluminum dichloride), at least one chloroalkane (preferably carbon tet... | 05/09/1995 |
| 5397457 | Hydrocarbon conversion process A hydrocarbon fraction, preferably in the kerosene boiling range containing a substantial proportion of C9 + hydrocarbons is contacted with an n-paraffin fraction, such as n-pentane, over a catalyst of acidic functionality, such as Pd/zeolite b... | 03/14/1995 |
| 5386076 | Regeneration of HF-based alkylation catalyst The present invention provides a method for separating conjunct polymers which are formed as byproducts of acid catalyzed isoparaffin-olefin alkylation and sulfolane from a mixture containing conjunct polymers, sulfolane, and hydrofluoric acid, which meth... | 01/31/1995 |
| 5382730 | Combined paraffin isomerization/ring opening process There is provided a process for ring opening of aromatics and cycloaliphatics, as well as isomerization of aliphatics. The feedstream to this process comprises hydrocarbons having 6 carbon atoms. The process involves the use of at least two reactors conne... | 01/17/1995 |
| 5371309 | Vacancy titanates intercalated with cationic hydroxy aluminum complexes There is provided a vacancy titanate intercalated with a cationic hydroxy aluminum complex, such as a Keggin ion. A method for making this material and a process for using this material as a catalyst are also provided.... | 12/06/1994 |
| 5364999 | Organic conversion with a catalyst comprising a crystalline pillared oxide material There is provided a process for converting organic compounds using a catalyst comprising a pillared, layered crystalline oxide material. This material may be prepared by intercepting a swellable layered oxide before calcination. The intercepted material i... | 11/15/1994 |
