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Patent Searching and Data


Matches 651 - 700 out of 917

Document Document Title
JPH0237386B2  
JPH0236157B2  
JPH0236158B2  
JPH0225952B2  
JPH0275698A
PURPOSE: To improve an octane value of gasoline and a smoke point of kerosene by using light gravity gasoline as an aromatic hydrocarbon re-extraction assisting solvent. CONSTITUTION: A hydrocarbon feed material with a final boiling poin...  
JPH0260943A
PURPOSE: To profitably recover silicon oil from a mixture of silicon oil, a polybiphenyl chloride, and chlorobenzene by flashing the mixture to a distillation area and a chlorobenzene to a tower top. CONSTITUTION: In the recovery of sili...  
JPH0247191A
PURPOSE: To economically provide aromatic concentrate suitable for component for a fuel of a carburetor, by separating component which is in charging hydrocarbon mixture and has a specific boiling point, providing it with extracting dist...  
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...  
JPH0214714A
PURPOSE: To efficiently remove org. sulfur compds. by absorbing and removing mainly CS2 in a first stage from a gas contg. CS2 and COS, then decomposing COS in a second stage, and absorbing in a third stage H2S generated in the second st...  
JPH0153318B2  
JPH0141676B2  
JPH0133518B2  
JP01142382A
PURPOSE: To enhance recovery efficiency of C3 hydrocarbon by cooling a first quantity of vapor subjected to phase separation after partial condensation through a dephlegmeter exchanging heat indirectly with a first light gas flow expande...  
JP01113492A
PURPOSE: To improve the thermal stability of jet fuel sweetened by catalytic oxidation by washing the fuel with an aq. caustic alkali, then washing with water and drying the same. CONSTITUTION: The jet fuel is sweetened by prewashing the...  
JPH01104690A
PURPOSE: To efficiently separate and recover heavy hydrocarbon and a high purity hydrogen product by purifying and dehydrogenating a hydrogen-hydrocarbon feed gaseous stream, then separating this flow to light duty gaseous fuel, heavy hy...  
JPS6438494A
PURPOSE: To partially condense a hydrocarbon gas mixture while improving its characteristics of thermal conductivity and separating properties by heat-exchanging between a first and a second part of the condensate of the hydrocarbon gas ...  
JPS6436688A
PURPOSE: To obtain a large amount of the titled colorless oil, useful as an oil for refrigerator and an electrically insulating oil, having excellent low- temperature fluidity, solubility and stability in high yield, by treating an extra...  
JPS6424892A
PURPOSE: To effect fine desulfurization with an excellent operability without need of a reducing column and a Claus reactor column, by contacting a high-temp. crude gas generated in a gasification furnace with a first desulfurizing agent...  
JPS63291618A  
JPS63213593A  
JPS63200804A  
JPS6337195A
PURPOSE: To carry out fractional distillation of hydrocarbon efficiently without danger of explosion, by sending a hydrocarbon blend to a distillation device having a low-pressure first column and a high-pressure second column, circulati...  
JPS6315888A
PURPOSE: To prevent the gummy and resinous matter from blocking intra-plant piping etc.; and to recover a high-quality fuel oil and a lubricant raw material, by adding a polyhydric alcohol to a distillate obtd. by thermal distillation of...  
JPS62292886A
PURPOSE: To run off a low-boiling oil component etc. at a low cost without using steam or a coke oven gas as a run-off agent, by providing a reboiler on the bottom of a run-off column and conducting distillation while maintaining the ope...  
JPS62292885A
PURPOSE: To efficiently recover a low-boiling oil and naphthalene contained in a coke oven gas, by distilling off naphthalene together with a low-boiling oil from the run-off column head, feeding the distillate into a low-boiling oil col...  
JPS62285985A  
JPS62279854A
PURPOSE: To enhance the quality of fuel oil, by a method wherein the fuel oil, especially, the fuel oil used in a diesel engine is allowed to pass through a purifying action process due to a purifying apparatus such as a decanter type ce...  
JPS62273289A  
JPS6253040B2  
JPS62253690A  
JPS62250092A  
JPS62249936A  
JPS62250091A  
JPS62249937A  
JPS6251318B2  
JPS62243685A  
JPS62232490A  
JPS62232489A  
JPS62220585A  
JPS62220586A
PURPOSE: To desulfurize a methylnaphthalene oil of tar type in high desulfurization ratio and in high yield, by heating at a specific temperature the methylnaphthalene oil of tar type from which nitrogen-containing compounds are removed ...  
JPS62184097A  
JPS62164790A  
JPS6232731B2  
JPS6295387A  
JPS62500791A  
JPS6214600B2  
JPS6268895A  
JPS6158110B2  
JPS6155009B2  
JPS6154078B2  

Matches 651 - 700 out of 917