| Patent Number |
Title Of Patent |
Date Issued |
| 6733659 |
Reactor for hydrotreating and process for producing ultralow sulfur heavy oils by the use of the |
May 11, 2004 |
| An object is to provide a reactor for hydrotreating which exhibits a total desulfurizing activity higher than that of the reactor according to the prior art, and which is reduced in the rate of lowering of the desulfurizing activity and therefore can keep the high desulfurizing activ |
| 6299758 |
Low sulfur gas oil |
October 9, 2001 |
| Gas oils comprises one or more gas oil bases obtained by subjecting specific fractions from distilled petroleum fractions to hydrogenating treatment under specific conditions and optionally a small amount of a straight kerosene or gas oil. The gas oils have a sulfur concentration of |
| 6264827 |
Manufacturing process of diesel gas oil with high cetane number and low sulfur |
July 24, 2001 |
| A manufacturing process of a diesel gas oil with a high cetane number and a low sulfur, where the cetane number thereof is at least 45, the sulfur content thereof is less than 350 ppm, and the storage stability is superior, from a petroleum distillate oil with a low cetane number and a |
| 6132594 |
Hydrocracking catalyst and hydrocracking method for hydrocarbon oils |
October 17, 2000 |
| A hydrocracking catalyst for hydrocarbon oil, comprising a complex oxide with at least 2 different elements selected from Group 3b, Group 4a, Group 4b and Group 5b of the Periodic Table, zeolite having a solid Al-NMR spectrum wherein the ratio A/B of the peak area A in a chemical shift o |
| 5720661 |
Inversion type ventilating fan |
February 24, 1998 |
| The ventilating fan system comprises an air flow passage including a duct for guiding the air in a room to outside and a ventilating fan arranged in the air flow passage; whereby said ventilating fan is an inversion type ventilating fan, in which opposed rotating blades arranged in a dir |
| 5543041 |
Supply system of petroleum heavy oil containing magnetic fine particles |
August 6, 1996 |
| The present invention relates to a supply system for pre-treating a petroleum distillation residual oil to be fed to a hydrogenation apparatus. In order to remove iron fine particles having a particle size of less than 25.mu. in the feed oil which could be not removed in the prior ar |
| 4898661 |
Method for dewaxing hydrocarbon oil employing crystalline aluminosilicates promoted with a solid |
February 6, 1990 |
| The present invention is directed to a method for dewaxing hydrocarbon oil which is characterized by bringing the hydrocarbon oil into contact with a catalyst which is prepared by mixing specific crystalline aluminosilicate, defined in claim 1, having an SiO.sub.2 /Al.sub.2 O.sub.3 molar |
| 4895822 |
Hydrocracking catalysts |
January 23, 1990 |
| Hydrocracking catalysts are disclosed which comprise specified amounts of selected inorganic oxides and specified amounts of selected metal components carried thereon. The carrier is essentially derived from solid-phase modification with specified amounts of a selected class of fluor |
| 4670614 |
Hydrocarbon conversion process |
June 2, 1987 |
| Provided is a process for producing gasoline having a high octane number or aromatic hydrocarbons by contacting a feed stock containing at least one aliphatic hydrocarbon having 1 to 12 carbon atoms with a catalyst at an elevated temperature said catalyst comprising a zeolite and a fluor |
| 4264654 |
Method of producing a metallic-tone coating on a metal substrate |
April 28, 1981 |
| A method of producing a metallic-tone coating on a metal substrate, wherein the main paint contains not greater than 40% by weight of solvent plus metal scales of regular shape and size having no shape corner edges, and wherein the viscosity of the paint is adjusted to 10 sec to 30 sec F |