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Patent Searching and Data


Matches 551 - 600 out of 756

Document Document Title
JP2507214B2  
JPH0823024B2  
JPH07108981B2  
JPH07179867A
PURPOSE: To obtain a synthesis-, reducing- or fuel gas cleaned with low energy consumption by partially oxidizing a hydrocarbon to give a hot raw gas, quenching the gas with water, and then subjecting it to processings comprising a funct...  
JPH0762354A
PURPOSE: To provide a process for sweetening a mercaptan-contg. petroleum fraction wherein a sudden decrease in activity does not occur even in treating a relatively mercaptan-poor feedstock and wherein the continuous addition of an aq. ...  
JPH0712412B2  
JPH0712411B2  
JPH074529B2  
JPH06510231A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH0692584B2  
JPH0649872B2  
JPH0649871B2  
JPH0643587B2  
JPH0643586B2  
JPH0643588B2  
JPH05286869A
PURPOSE: To obtain a method for recovering an industrially useful organosulfur compound from a mineral oil obtained from petroleum, oil sand, oil shell and coal in a state where an original chemical structure contained in a mineral oil i...  
JPH05247472A
PURPOSE: To remove heavy metals from a hydrocarbon oil efficiently by a simple means. CONSTITUTION: A hydrocarbon oil containing heavy metals is mixed with a chelating agent in an amount 1-100 times by mole the weight of the contained he...  
JPH0586373A
PURPOSE: To remove a heavy metal from a hydrocarbon oil at good efficiency by a simple means. CONSTITUTION: A hydrocarbon oil containing a heavy metal is mixed with 1-100mol, per mol of the heavy metal, of a chelating agent and the resul...  
JPH05501578A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH0512025B2  
JPH04328196A
PURPOSE: To provide a process for sweetening a sour hydrocarbon fraction by selectively hydrogenolyzing tert-mercaptans in this fraction and reacting prim- and sec-mercaptans with an oxidizing agent under specified conditions to industri...  
JPH04296392A
PURPOSE: To simply and efficiently remove mercury (compound) in an oil by mixing a mercury (compound)-containing hydrocarbon oil into contact with an organic peroxide, then bringing the resultant mixture into contact with an acidic inorg...  
JPH0448938B2  
JPH0472387A
PURPOSE: To separate and remove a sulfur content effectively, economically and simply, by treating a fuel oil such as gasoline or fuel oil with any of various oxidizing agent and raising the boiling point and the melting point of organic...  
JPH03123531U  
JPH0377235B2  
JPH03220293A
PURPOSE: To accelerate the oxidation of mercaptan by bringing a hydrocarbon fraction, a metal chelate and a basic soln. containing a specified bipolar compd. into contact with each other in the presence of an oxidizing agent. CONSTITUTIO...  
JPH03174493A
PURPOSE: To provide a method for fixed bed sweetening of a mineral oil blend which can eliminate the need to use a base and to dry a carrier by solvent and can enhance the productivity by regulating the water content of a carrier and the...  
JPH0334369B2  
JPH03115392A
PURPOSE: To sweeten mercaptan-containing sour hydrocarbon by bringing the above mentioned hydrocarbon into contact with a metal chelate catalyst in the presence of an oxidizing agent, ammonium hydroxide and quaternary ammonium salt. CONS...  
JPH03103491A
PURPOSE: To catalytically reactively sweeten a sour hydrocarbon fraction by bringing a mercaptan-containing hydrocarbon fraction into contact with an alkali soln. containing a metal chelate and having a quaternary ammonium compd. added t...  
JPH0323588B2  
JPH02281095A
PURPOSE: To improve the cetane number of directly distilled diesel fuel by bringing the oil into contact with hydrogen peroxide in the presence of a carboxylic acid or bringing it into contact with a peroxycarboxylic acid. CONSTITUTION: ...  
JPH02269193A
PURPOSE: To soften a petroleum fraction in a fixed bed while periodically washing the catalyst support to convert it into a disulfide by catalytically oxidizing the mercaptans in a petroleum fraction in a fixed bed in the absence of any ...  
JPH02240195A
PURPOSE: To improve the cetane number of a visbreaking gas oil to such a value that it directly enters the application fields of a gas oil by bringing the oil into contact with H2O2 in the presence of a carboxylic acid or into contact wi...  
JPH0237959B2  
JPH0237386B2  
JPH0237386A
PURPOSE: To vary the luminance of a luminous body with a constitution whose number of parts is small, and also, whose cost is low by providing the light emitting body for emitting a light beam in accordance with the input of a driving si...  
JPH021876B2  
JPH01252695A
PURPOSE: To convert hydrocarbon by simultaneously letting occur dehydrogenation and oxidative reheating while contacting both steam and O2-containing gas with dehydrogenatable hydrocarbon in the presence of a specified single catalyst. C...  
JP01188589A
PURPOSE: To selectively and effectively remove extremely small quantities of mercury in a hydrocarbon base oil containing mercury, by adding a copper compound into the oil. CONSTITUTION: (A) Hydrocarbon base oil containing preferably ≤...  
JPH1188589A
To supply an image obtained by an image diagnosing device to a computer network by receiving the image from the image diagnosing device, converting the received image into image data of a prescribed format and outputting the converted im...  
JPH1176452A
To effectively absorb a shock so as to effectively prevent an injury or the like by providing a structure for emitting air from a large hole of a center sheet when a shock is received, and giving resistance to a flow of air to absorb a s...  
JP01176452A
PURPOSE: To improve the dehydrogenatability of hydrocarbons by depositing a platinum group metal component and a metal component selected from a group of Sn, Ge and Re on solid heat resistant oxide support particles of a specific diamete...  
JPH0132277B2  
JPH0121198B2  
JPS6470592A
PURPOSE: To inexpensively sweeten petroleum distillate by a catalyst with high activity and stability by separating and recirculating an alkaline phase containing the catalyst at a separation region after passing petroleum through a reac...  
JPH0113754B2  
JPS63503547A  
JPS6332836B2  

Matches 551 - 600 out of 756