Patents Examined by Patrick Garvin
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Patent number: 4456695Abstract: A novel component of a catalyst for polymerization of olefins, which is highly active, exhibits high stereoregularity and also provides polymers of very uniform particle sizes. The catalyst component is a contact product of the following component A and component B:Component AA solid product obtained by mixing a solution of the following components (1) and (2) and 0.05 to 5 moles of a titanium tetrachloride precipitant per mol of the component (1) in the copresence of the following component (3), thereby to produce a solid product and then washing the solid product to remove a soluble titanium component; (1) a magnesium compound represented by the formula Mg(OR.sup.1).sub.2-n X.sub.n, wherein R.sup.1 is a hydrocarbyl having 1 to 12 carbon atoms, which is an alkyl, an aryl, an aralkyl or a cycloalkyl, or a halo-derivative thereof, X is a halogen, and n is a number satisfying 0<n.ltoreq.2; (2) a titanium compound represented by the formula Ti(OR.sup.2).sub.4 or a polymer thereof, wherein R.sup.Type: GrantFiled: August 20, 1982Date of Patent: June 26, 1984Assignee: Mitsubishi Petrochemical Company LimitedInventors: Hitoshi Nimura, Makoto Kono, Shinichi Yoshida
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Patent number: 4456697Abstract: Catalysts comprising mixtures of HF and metal alkoxides and mixed metal alkoxides produce a sharply peaked alkoxylation distribution during the alkoxylation of organic materials.Type: GrantFiled: September 23, 1982Date of Patent: June 26, 1984Assignee: Conoco Inc.Inventor: Kang Yang
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Patent number: 4455386Abstract: A catalyst and method in which the catalyst is used in association with an aluminum cocatalyst in the polymerization and interpolymerization of 1-olefins. The catalyst is prepared by (1) reacting a mono- or polyfunctional phosphorus compound with silica, alumina or the like having surface hydroxyl groups, or a mixture thereof, in which the phosphorus compound reacts with these surface hydroxyl groups, followed by (2) reacting the product of this with a Group IIa (e.g. Mg) compound and further (3) reacting this product with a Group IVB, VB or VIB (e.g. Ti) compound. Alternatively, (1) is reacted with (3) and then with (2).Type: GrantFiled: March 29, 1982Date of Patent: June 19, 1984Assignee: Chemplex CompanyInventors: Michael W. Lynch, Thomas J. Pullukat
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Patent number: 4455387Abstract: A process for making mixed dialkylmagnesiums wherein magnesium metal is reacted with ethylene and an alkyl halide in the presence of a hydrocarbon solvent and in a substantially moisture-free and ether-free atmosphere, under relatively high pressure and at a relatively high temperature followed by separation of undissolved solids from the resulting solution. A composition of matter produced by the process comprising dialkylmagnesium compounds having at least four different alkyl groups, a hydrocarbon solvent and a small amount of an alkyl or alkoxy aluminum compound.Type: GrantFiled: September 27, 1982Date of Patent: June 19, 1984Assignee: Ethyl CorporationInventors: Bonnie G. McKinnie, Gene C. Robinson
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Patent number: 4454242Abstract: A catalyst suitable for use in the polymerization of olefins is disclosed. This catalyst contains:[A] a solid catalyst component obtained by calcining (a) a zirconium compound represented by the general formula:Zr(OR.sup.0).sub.n A.sub.4-nwherein R.sup.0 is a hydrocarbon group having 1 to 20 carbon atoms; A is a halogen atom, a carboalkoxy group, a carboxyl group, an acylalkenate, or a hydrocarbon group having 1 through 20 carbon atoms; and n is a number of 0 through 4; and (b) a chromium compound, supported on an inorganic oxide carrier;[B] an organometallic compound component.Type: GrantFiled: May 24, 1982Date of Patent: June 12, 1984Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Tadashi Ikegami, Katsuhiko Takaya
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Patent number: 4452914Abstract: Novel titanium compounds or complexes are prepared by reacting a titanium compound such as titanium tetraisopropoxide with a compound containing at least one aromatic hydroxyl group. These compounds and/or complexes are useful as the transition metal component in Ziegler-Natta catalysts.Type: GrantFiled: August 13, 1982Date of Patent: June 5, 1984Assignee: The Dow Chemical CompanyInventors: William M. Coleman, III, Morris S. Edmondson
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Patent number: 4452912Abstract: The invention relates to a process for producing a magnesium-containing supported catalyst for the polymerization and copolymerization of .alpha.-olefins. The magnesium is bound via oxygen to a porous metal oxide; e.g. silicon dioxide and/or aluminum oxide, and has alkoxy groups. This solid is reacted with a transition metal compound and one or more organometallic compounds of Groups I to III of the Periodic Table are added.Type: GrantFiled: November 15, 1982Date of Patent: June 5, 1984Assignee: Ruhrchemie AktiengesellschaftInventors: Mufit Bahadir, Wolfgang Payer
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Patent number: 4451573Abstract: A catalyst suitable for use in the polymerization of olefins is disclosed. This catalyst contains:[A] a solid catalyst component obtained by calcining a reaction product of (a) at least one compound selected from an amine compound, a phosphoric acid amide, a hydrocarbyloxy compound of titanium, vanadium, hafnium or zirconium, and a germanium compound having the general formula:R.sup.1 R.sup.2 R.sup.3 R.sup.4 Gewherein (i) R.sup.1, R.sup.2 and R.sup.3 are each independently a hydrocarbon group having 1 through 10 carbon atoms, and R.sup.4 is a hydrogen atom, a halogen atom, a --OH group, or a --OGeR.sup.1 R.sup.2 R.sup.3 group, or (ii) R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each independently --OR.sup.5 wherein R.sup.5 is a hydrocarbon group having 1 through 10 carbon atoms, or a halogen atom, and a tin compound having the general formula:R.sup.1 R.sup.2 R.sup.3 R.sup.6 Snwherein R.sup.1, R.sup.2 and R.sup.3 are the same as defined above and R.sup.Type: GrantFiled: June 4, 1982Date of Patent: May 29, 1984Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Tadashi Ikegami, Katsuhiko Takaya, Haruyuki Yoneda
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Patent number: 4451574Abstract: Ethylene is homopolymerized or copolymerized with another olefin monomer in the presence of a catalyst system comprising organo metal cocatalyst and a titanium-containing catalyst component, such titanium-containing catalyst component being obtained by reacting together a porous particulate material, an organo magnesium compound, a halogen or interhalogen compound and titanium tetrachloride.Type: GrantFiled: January 31, 1983Date of Patent: May 29, 1984Assignee: Exxon Research & Engineering Co.Inventor: Burnett H. Johnson
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Patent number: 4451684Abstract: Preparation of C.sub.20 -C.sub.40 branched-chain olefins by the co-oligomerization of C.sub.12 -C.sub.18 branched-chain internal olefins with C.sub.5 'C.sub.6 olefins by a process comprising (a) contacting a propylene oligomer feedstock having from 12 to 18 carbon atoms with a C.sub.5 -C.sub.6 olefin feedstock in a reaction zone in the presence of a boron trifluoride-alkanol catalyst; (b) maintaining the temperature in the reaction zone between about 0.degree. C. and 80.degree. C.; and (c) maintaining the pressure in the reaction zone between about 0 psig and 200 psig.Type: GrantFiled: July 27, 1982Date of Patent: May 29, 1984Assignee: Chevron Research CompanyInventor: Joseph Z. Pasky
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Patent number: 4450243Abstract: Provided is a carrier for an olefin polymerization catalyst which carrier comprises a substance obtained by adding a liquid organic compound not dissolving a magnesium halide into a liquid medium having dissolved therein a substance which contains the magnesium halide as at least one component, the liquid medium further containing an oxide of Group II-IV metal or metals in the Periodic Table, followed by cooling to a temperature not higher than 0.degree. C. and subsequent heat treatment at a temperature in the range of 40.degree. to 200.degree. C.Type: GrantFiled: February 2, 1983Date of Patent: May 22, 1984Assignee: Nippon Oil Company, LimitedInventors: Kazuo Matsuura, Nobuyuki Kuroda, Takeichi Shiraishi, Yutaka Shikatani, Mituji Miyoshi
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Patent number: 4450242Abstract: A novel catalytic system for polymerizing olefins comprises:(a) a cocatalytic component containing an organometallic compound of Groups I-III of the periodic table, and(b) a catalytic component containing titanium obtained by:(i) copulverizing a substantially anhydrous magnesium compound containing halogen or manganese compound containing halogen with: a phenol, an organic polymer containing silicon, a titanium halide, and an electron-donor compound to produce a copulverized product, and(ii) reacting the copulverized product with a liquid titanium compound containing halogen.The invention also encompasses the novel catalytic component, processes for preparing the catalytic component containing titanium, and the use of the novel catalytic system for polyermizing olefins.Type: GrantFiled: August 9, 1982Date of Patent: May 22, 1984Assignee: Stauffer Chemical CompanyInventor: Robert I. Mink
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Patent number: 4450098Abstract: Process for preparing and treating a chromium-containing catalyst so that when the catalyst is activated the risk of explosion is substantially reduced. The catalyst comprises a complex of chromium and optionally other transition metal complexes reacted with one or more organometallic compounds of a metal of group II or III of the periodic table, which metal contains hydrocarbyl groups of 1-20 carbon atoms. The reaction product is applied to an inert inorganic support to form the catalyst component which is deactivated by treatment with oxygen or an alcohol to modify or replace residual hydrocarbyl groups. The catalyst component may be activated to form the catalyst by heating in the range 200.degree.-1200.degree. C. The catalyst is used to catalyze a polymerization of alpha-olefins.Type: GrantFiled: August 5, 1982Date of Patent: May 22, 1984Assignee: Stamicarbon B.V.Inventors: Lambertus J. M. A. van de Leemput, Godefridus A. H. Nooijen
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Patent number: 4448668Abstract: Crushed, retorted shale particles recovered from a shale oil retort but still containing combustible materials are burned under oxidizing conditions in a fluidized combustor to remove substantially all of the hydrocarbonaceous materials. Hot combustion flue gases are recovered, divided, and delivered to two heat exchangers, the first for indirectly preheating recycled retort education gases and the second for indirectly heating water. Also recovered from the combustor are shale particles, which are introduced into a fluidized cooling vessel and therein cooled by indirectly exchanging heat with water while traces of residual hydrocarbons burn from the shale.Type: GrantFiled: December 20, 1982Date of Patent: May 15, 1984Assignee: Union Oil Company of CaliforniaInventor: Roland F. Deering
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Patent number: 4447311Abstract: A dewaxing process for reducing the pour point of waxy oils in which the oil is cooled by direct contact with a liquid autorefrigerant such as propane. The wax which separates upon cooling is removed by flotation assisted by the bubbles of vaporized autorefrigerant which rise through the oil to form a frothy slurry of wax which can be decanted and the wax recovered from it. A dewaxing solvent such as methyl ethyl ketone may be used to assist separation of the wax.Type: GrantFiled: July 22, 1982Date of Patent: May 8, 1984Assignee: Mobil Oil CorporationInventors: Patrick E. Fowles, Gerald L. Shoemaker, Tsoung-Yuan Yan
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Patent number: 4447557Abstract: C.sub.4 compounds including n-butanol and n-butanal are produced by reacting methanol, hydrogen, and carbon monoxide, in the presence of a cobalt catalyst selected from the group consisting of (a) a cobalt carbonyl, (b) a hydrido cobalt carbonyl and (c) a cobalt-containing material convertible to a cobalt carbonyl or a hydrido cobalt carbonyl, an iodine promotor and a thiol defined by the formula:RSHwherein R is selected from the group consisting of saturated or unsaturated, straight or branched chain alkyl radicals having from one to 24 carbon atoms, cycloalkyl radicals having from three to 40 carbon atoms, aryl radicals having from six to 20 carbon atoms, aralkyl and alkaryl radicals having from six to 40 carbon atoms and halogen substituted derivatives thereof. A high degree of selectivity towards the formation of butanol and butanal is provided by using the cobalt entity and the thiol in a molar ratio in the range of about 2:1 to about 10:1, based on elemental cobalt and sulfur.Type: GrantFiled: March 1, 1982Date of Patent: May 8, 1984Assignee: Gulf Research & Development CompanyInventors: Wayne R. Pretzer, Thaddeus P. Kobylinski, John E. Bozik
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Patent number: 4447665Abstract: A method is disclosed for dehydrogenating a parafinic or naphthenic compound and for dehydrocyclizing a paraffinic compound comprising a straight chain of at least 5 carbon atoms, comprising: contacting an aforesaid compound under dehydrogenation conditions comprising a temperature in the range of from about 465.degree. C. to about 650.degree. C. with an active carbon catalyst having a cage-like structure and a BET surface area of at least 800 square meters per gram and a bulk density of at least 0.1 gram per cubic centimeter and comprising a substantially uniform dispersion of a metal, metal-containing material, or both in a porous carbon matrix, wherein the dispersed metal and metal in the dispersed metal-containing material are each a transition metal and wherein the total concentration of dispersed metal and dispersed metal-containing material is from about 0.001 to about 30 weight percent, calculated as the elemental metal and based on the weight of the catalyst.Type: GrantFiled: March 30, 1983Date of Patent: May 8, 1984Assignee: Standard Oil Company (Indiana)Inventor: Arnold N. Wennerberg
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Patent number: 4446243Abstract: Zeolite supported, organometallic derived catalyst compositions are provided which are especially suitable for the polymerization of 1-olefins such as ethylene. Organotitanium and organochromium compounds such as tributylchromium and tetrabutyltitanium are reacted with ZSM-5 type zeolites to produce such novel catalysts.Type: GrantFiled: December 20, 1982Date of Patent: May 1, 1984Assignee: Mobil Oil CorporationInventors: Arthur W. Chester, James G. Murray
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Patent number: 4446246Abstract: Disclosed are novel catalyst systems and method for curing a peroxide-curable ethylenically unsaturated (e.g. acrylic or vinyl) composition wherein the catalyst system is a combination of the peroxide curing agent and a Cu.sup.+1 activator or a combination of a peroxide curing agent and an activator system comprising a furfuryl alcohol and an acid catalyst. Also disclosed is a new catalyst system for curing ring compounds (e.g. epoxides) which comprises a combination of ferrocene and a diazonium salt of a Lewis acid. Preferred curable compositions are adhesives and especially acrylic adhesives and epoxy adhesives.Type: GrantFiled: September 9, 1982Date of Patent: May 1, 1984Assignee: Three Bond Co., Ltd.Inventor: Vincent D. McGinniss
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Patent number: 4444903Abstract: An improved process is described for preparing conjugate diolefin polymers or copolymers having a high content of 1,4-cis units and high chain linearity, the process using a particular catalytic system prepared from a compound of a metal chosen from those of Group III B of the Periodic System which have an atomic number of between 21 and 103, preferably neodymium, an organic halogen derivative, and an aluminium alkylhydride or trialkyl.Type: GrantFiled: September 2, 1982Date of Patent: April 24, 1984Assignee: Enoxy Chimica, S.p.A.Inventors: Antonio Carbonaro, Domenico Ferraro, Mario Bruzzone