| Patent Number |
Title Of Patent |
Date Issued |
| 6806296 |
Process of producing liquid hydrocarbon oil or dimethyl ether from lower hydrocarbon gas contain |
October 19, 2004 |
| A process for the production of a liquid hydrocarbon oil from a gas feed containing a lower hydrocarbon and CO.sub.2, wherein the gas feed is mixed with H.sub.2 O to obtain a mixed gas having specific CO.sub.2, H.sub.2 O and lower hydrocarbon contents. The mixed gas is contacted with a R |
| 6656978 |
Process of producing liquid hydrocarbon oil or dimethyl ether from lower hydrocarbon gas contain |
December 2, 2003 |
| A process for the production of a liquid hydrocarbon oil from a gas feed containing a lower hydrocarbon and CO.sub.2, wherein the gas feed is mixed with H.sub.2 O to obtain a mixed gas having specific CO.sub.2, H.sub.2 O and lower hydrocarbon contents. The mixed gas is contacted with a R |
| 6652819 |
Production of high purity vanadium compound from vanadium-containing carbonaceous residues |
November 25, 2003 |
| A process for the production of a vanadium compound from carbonaceous residues containing vanadium, which includes the steps of: (a) combusting the carbonaceous residues at a temperature of 500-690.degree. C. in an oxygen-containing gas to form vanadium-containing combustion residues; |
| 5767303 |
Process of producing carbonic diester |
June 16, 1998 |
| A process for the production of a carbonic diester, wherein an alcohol is reacted in a reaction zone with carbon monoxide and oxygen in the presence of (a) metallic copper or a copper compound, (b) a heterocyclic compound containing one or more nitrogen atoms in the cyclic skeleton and ( |
| 5364963 |
Supported rhodium catalyst, method of preparing same and process of producing acetic acid by met |
November 15, 1994 |
| A methanol carbonylation catalyst includes a rhodium complex supported on a porous, cross-linked vinylpyridine resin, wherein the vinylpyridine resin has a cross-linking degree of 30-60%, a pore volume of 0.1-0.4 ml/g and an average pore diameter of 20-100 nm. The catalyst may be prepare |
| 5334755 |
Process for the production of acetic acid from methanol and carbon monoxide using supported rhod |
August 2, 1994 |
| A liquid feed containing methanol, carbon monoxide, an alkyl iodide and a solvent is contacted with a supported rhodium catalyst to produce acetic acid at a temperature of 140.degree.-250.degree. C. and a pressure of 15-60 kg/cm.sup.2 G with a partial pressure of carbon monoxide of 7-30 |
| 5316821 |
Partition plate for multiple-stage adsorption separator |
May 31, 1994 |
| A partition plate for multiple-stage adsorption separator includes a planar body member having opposing external surfaces and a peripheral edge with conduits providing fluid communication between the opposing surfaces and different points on the peripheral edge. Each of the opposing surf |
| 5200075 |
Separator |
April 6, 1993 |
| An adsorbent is charged into a horizontal type packed column having a multiplicity of packed vessels each of which is composed of a partition plate and a cylindrical body and which are connected through the partition plates, from an opening formed on the upper wall of each cylindrical bo |
| 5193581 |
Selector valve |
March 16, 1993 |
| A selector valve used for distributing and combining process flow. This valve comprises an open-ended cylindrical casing, a valve seat secured to the casing, an inlet hole extending coaxially with the casing through the valve seat, a plurality of outlet holes extending through the valve |
| 5055612 |
Process for the preparation of naphthalene carboxylic acids |
October 8, 1991 |
| A process for the preparation of naphthalene mono or polycarboxylic acids, such as 2,6-naphthalene dicarboxylic acid, is disclosed which includes oxidizing a naphthalene compound such as 2,6-diisopropylnaphthalene in a specific solvent with molecular oxygen in the presence of a catalyst |
| 4992622 |
Method of separating 2,6-diisopropylnaphthalene from a mixture containing diisopropylnaphthalene |
February 12, 1991 |
| A method of separating 2,6-diisopropylnaphthalene from a mixture containing 2,6-diisopropylnaphthalene and structural isomers thereof including the 2,7-isomer is disclosed, wherein the mixture is first subjected to a selective adsorption and desorption treatment using a zeolite absorbent |
| 4950824 |
Process for the production of 2,6-diisopropylnaphthalene |
August 21, 1990 |
| A process for the production of 2,6-diisopropylnaphthalene is disclosed wherein an isopropylation reaction mixture containing isopropylated naphthalenes is subjected to transalkylation with a triisopropylnaphthalene-containing mixture to obtain a mixture containing mono-, di- and tri |
| 4530754 |
Process for the conversion of heavy hydrocarbon oils into light hydrocarbon oils |
July 23, 1985 |
| Heavy hydrocarbon oils are converted into light hydrocarbon oils by two-stage process wherein, in the first stage, a heavy hydrocarbon oil is subjected to thermal cracking conditions and, in the second stage, the product of the thermal cracking is subjected to a hydrotreatment in the |
| 4530753 |
Method of converting heavy hydrocarbon oils into light hydrocarbon oils |
July 23, 1985 |
| Heavy hydrocarbon oils are converted into light hydrocarbon oils by two-stage process wherein, in the first stage, a heavy hydrocarbon oil is subjected to thermal cracking conditions and, in the second stage, the product of the thermal cracking is subjected to a hydrotreatment in the |
| 4444655 |
Hydrotreatment of heavy hydrocarbon oils containing asphaltenes, and catalysts therefor |
April 24, 1984 |
| A catalyst for hydrotreating a heavy hydrocarbon oil containing asphaltenes comprises a porous carrier composed of one or more inorganic oxides of at least one element selected from among those of Groups II, III and IV of the Periodic Table, and at least one catalytic metal component com |
| 4424142 |
Catalyst for hydrotreatment of heavy hydrocarbon oils |
January 3, 1984 |
| A catalyst for the hydrotreatment of heavy hydrocarbon oils, which is prepared by supporting more than 2% by weight of VS.sub.x, wherein x represents about 1.1-1.59 in terms of an atomic ratio of S/V, on a substrate composed of a clay mineral which consists of magnesium silicate as a |
| 4422960 |
Catalysts for hydrotreatment of heavy hydrocarbon oils containing asphaltenes |
December 27, 1983 |
| A catalyst for hydrotreating a heavy hydrocarbon oil containing asphaltenes comprises a porous carrier composed of one or more inorganic oxides of at least one element selected from among those of Groups II, III and IV of the Periodic Table, and at least one catalytic metal component com |
| 4399026 |
Process for hydrotreating heavy hydrocarbon oils, catalysts therefor, and a method of preparing |
August 16, 1983 |
| A catalyst for hydrotreating heavy hydrocarbon oils comprises a carrier which is a calcined composite of a mixture of a clay mineral consisting mainly of magnesium silicate having a double-chain structure and at least one oxide-forming substance selected from the group consisting of the |
| 4367165 |
Catalyst for hydrotreating heavy hydrocarbon oils and method of preparing same |
January 4, 1983 |
| A catalyst for hydrotreating a heavy hydrocarbon oil comprises a carrier which is a calcined composite of a mixture of a clay mineral consisting mainly of magnesium silicate having a double-chain structure and a pseudoboehmite which shows a powder X-ray diffraction spectrum obtained by |
| 4367164 |
Catalysts for hydrotreating heavy hydrocarbon oils and a method of preparing such catalysts |
January 4, 1983 |
| A catalyst for hydrotreating heavy hydrocarbon oils comprises a carrier which is a calcined composite of a mixture of a clay mineral consisting mainly of magnesium silicate having a double-chain structure and at least one oxide-forming substance selected from the group consisting of the |
| 4326991 |
Process for preparing a catalyst for hydrotreatment of heavy hydrocarbon oils |
April 27, 1982 |
| A catalyst for the hydrotreatment of heavy hydrocarbon oils, which is prepared by supporting more than 2% by weight of VS.sub.x, wherein x represents about 1.1-1.59 in terms of an atomic ratio of S/V, on a substrate composed of a clay mineral which consists of magnesium silicate as a |
| 4191636 |
Process for hydrotreating heavy hydrocarbon oil |
March 4, 1980 |
| This invention relates to a process for continuously converting a heavy oil into an asphaltene-metal-free oil by hydrotreating said heavy oil to crack asphaltenes selectively and remove heavy metals such as vanadium and nickel from said heavy oil simultaneously (hereinafter briefly refer |
| 4166026 |
Two-step hydrodesulfurization of heavy hydrocarbon oil |
August 28, 1979 |
| A process for hydrodesulfurization of heavy hydrocarbon oil containing asphaltenes and heavy metals in large amounts is disclosed. The heavy oil is hydrotreated in a continuous 2-step process. In the first step the heavy oil is subjected to hydrodemetallization and selective cracking of |