B-containing Catalyst Patents (Class 585/525)
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Patent number: 5087789Abstract: In accordance with this invention oligomers are produced by a process comprising contacting propylene, ethylene, or a mixture thereof in a reaction zone, under a reaction temperature within the range of about 130.degree. C. to about 300.degree. C., with a catalyst comprising a chromium component on an aluminophosphate support.Type: GrantFiled: August 23, 1990Date of Patent: February 11, 1992Assignee: Phillips Petroleum CompanyInventors: Max P. McDaniel, M. Bruce Welch, Marvin M. Johnson
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Patent number: 5084259Abstract: The preparation, structure, and properties of solid inorganic materials containing aluminum, boron, oxygen and at least one Group VIII metallo element, selected from the group consisting of cobalt and nickel is described. Also described in the use of such materials in catalytic compositions for the conversion of organic compounds. In particular, the new materials having the general formula:(x) (M.sub.m :M'.sub.n)O.(y)Al.sub.2 O.sub.3.(z)B.sub.2 O.sub.Type: GrantFiled: March 15, 1991Date of Patent: January 28, 1992Assignee: Amoco CorporationInventors: Larry C. Satek, Stephen T. McKenna, Vincent F. Smith, Jr.
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Patent number: 5068487Abstract: A process for making an .alpha.-olefin oligomer comprises contacting an .alpha.-olefin monomer containing from about 6 to 20 carbon atoms with a catalyst comprising boron trifluoride and an alcohol alkoxylate so as to form an oligomer product.Type: GrantFiled: July 19, 1990Date of Patent: November 26, 1991Assignee: Ethyl CorporationInventor: Kevin J. Theriot
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Patent number: 5068490Abstract: Disclosed herein are boron trifluoride etherate complexes in which the ether of the complex has at least one tertiary carbon bonded to an ether oxygen. The etherates are useful for polymerizing a one-olefin or mixtures thereof, preferably comprising isobutylene, whereby the resulting polymer contains a high percentage (80-100%) vinylidene character.Type: GrantFiled: June 6, 1990Date of Patent: November 26, 1991Assignee: Amoco CorporationInventor: Bruce E. Eaton
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Patent number: 5055628Abstract: Alpha-olefin is prepared from internal and/or vinylidene olefin by reacting the internal and/or vinylidene olefin with ethylene in the presence of a catalyst consisting essentially of Re.sub.2 O.sub.7 and B.sub.2 O.sub.3 on Al.sub.2 O.sub.3.Type: GrantFiled: September 11, 1990Date of Patent: October 8, 1991Assignee: Ethyl CorporationInventors: Ronny W. Lin, Marshall B. Nelson, Bruce C. Peters
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Patent number: 5041205Abstract: A crystalline material having, in the dehydrated form, the empirical formula:m(M.sub.2/a O):X.sub.z O.sub.xz/2 :.sub.y YO.sub.2 (I)in which m is 0.5 to 1.5; M is a cation of valency a; X is a metal of valency x, selected from aluminium, boron, gallium, zinc, iron and titanium; z is 2 when x is an odd number, and z is 1 when x is an even number; y is at least 5; and Y is silicon or germanium; and having, in the calcined hydrogen form, an X-ray diffraction pattern including significant peaks substantially as shown in Table I herein. The material has been designated SUZ-2, and is used in the conversion of hydrocarbons or oxygenates.Type: GrantFiled: September 13, 1990Date of Patent: August 20, 1991Assignee: The British Petroleum Company p.l.c.Inventor: Sami A. I. Barri
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Patent number: 5017279Abstract: A multistep process is disclosed for the manufacture of synthetic lubricants from the C.sub.8 to C.sub.24 linear olefin components of below liquid fuel value petroleum distillate fractions derived via the high temperature thermal cracking of petroleum residua. Such feeds contain major amounts of 1-n-olefins, n-paraffins and greater than 0.1% concentration of sulfur mostly in the form aromatic, thiophene type sulfur compounds.In the first step of the present process such feeds are enriched in the straight chain aliphatic hydrocarbon components by one or more separation processes, preferably via urea adduction or by crystallization. In the second step, the olefin components are oligomerized to sulfur containing C.sub.30 to C.sub.60 polyolefins, preferably in the presence of BF.sub.3 complex catalysts. In the third step, the polyolefins are hydrogenated to novel isoparaffin lubricants in the presence of sulfur resistant catalysts, preferably transition metal sulfides.Type: GrantFiled: February 13, 1990Date of Patent: May 21, 1991Assignee: Exxon Research and Engineering CompanyInventors: Alexis A. Oswald, Frank J. Chen, Ramon L. Espino, Kuo L. Peng
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Patent number: 4982046Abstract: Olefin oligomerization employing as a catalyst(a) a ferrierite of the following approximate formula:M.sub.x/n (T.sup.III O.sub.2).sub.x (Si.sup.IV O.sub.2).sub.36-xwhereT.sup.III represents at least one element selected from the group of boron (B.sup.III), aluminum (Al.sup.III), gallium (Ga.sup.III) and iron (Fe.sup.III);x ranges from 0.05 to 6.6;M is a compensation cation; andn is the valence of M;(b) an X-ray diffraction diagram shown in Table 1 of the description;(c) a fluorine content after synthesis ranging from about 0.01 to 1.6% by weight; and(d) a Si.sup.IV /T.sup.III molar ratio of at least about 4.75.Type: GrantFiled: June 28, 1989Date of Patent: January 1, 1991Assignee: Institut Francais Du PetroleInventors: Jean-Louis Guth, Anne-Catherine Faust, Francis Raatz
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Patent number: 4982042Abstract: A process for the manufacture of an olefin oligomer, comprising the steps of polymerizing an olefin monomer in the presence of boron trifluoride and a boron trifluoride-alcohol complex as catalysts, to prepare a first oligomerization product, and then carrying out one of following steps (a) to (c): (a) removing boron trifluoride from the above first product by (i) placing the product under a reduced pressure, (ii) blowing an inert gas into the product, or (iii) heating the product at a relatively low temperature, to thereby prepare a second oligomerization product, and then subjecting the second product to a precipitation treatment to separate the boron trifluoride-alcohol complex therefrom, (b) heating the above first product at a relatively elevated temperature to recover boron trifluoride, or (c) centrifuging the above first product to recover the boron trifluoride-alcohol complex. These steps allow the catalysts to be recovered while maintaining the activity thereof at a desired level.Type: GrantFiled: October 12, 1989Date of Patent: January 1, 1991Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Makoto Akatsu, Tatsuya Kawamura
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Patent number: 4981578Abstract: BF.sub.3 is removed from a promoted BF.sub.3 catalyzed olefin oligomer reaction product by contacting the reaction product with either solid or aqueous KF to form a solid KBF.sub.4 precipitate. Solid NaF or NH.sub.4 F can also be used.Type: GrantFiled: December 7, 1989Date of Patent: January 1, 1991Assignee: Ethyl CorporationInventors: Lindsay T. Tycer, Everett M. Marlett
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Patent number: 4973789Abstract: A process for preparing a lower alkene polymer from a lower alkene feedstream, including the steps of: (A) contacting the lower alkene monomer with a catalyst system comprising boron trifluoride and at least one acid selected from the group consisting of sulfuric acid, sulfurous acid, phosphoric acids and strong acid resins and (B) polymerizing the lower alkene monomer in the presence of the catalyst system at a temperature of about -3.degree. C. to about -30.degree. C. thereby obtaining a lower alkene polymer having a molecular weight of about 250 to about 500.Type: GrantFiled: July 30, 1987Date of Patent: November 27, 1990Assignee: The Lubrizol CorporationInventors: Jack L. Karn, Willis P. Nichols
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Patent number: 4962261Abstract: Methane is upgraded to higher molecular weight hydrocarbons in a process using a novel catalyst comprising boron, tin and zinc. The feed admixture also comprises oxygen. The novel catalyst may comprise one or more Group I-A or II-A elements, preferably potassium.Type: GrantFiled: June 20, 1988Date of Patent: October 9, 1990Assignee: UOPInventors: Hayim Abrevaya, Tamotsu Imai
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Patent number: 4956512Abstract: In producing lubricants by oligomerizing alpha-olefins with the aid of a catalyst of a BF.sub.3 and alcohol or carboxylic acid cocatalyst, the utilized catalyst complex can be recovered by distillation and reused as catalyst in a similar oligomerizing process.Type: GrantFiled: November 14, 1988Date of Patent: September 11, 1990Assignee: Neste OyInventors: Fredrik Nissfolk, Salme Koskimies, Peter Idelman, Matti Nurminen, Salla Roni
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Patent number: 4956513Abstract: A process for recovering BF.sub.3 from a BF.sub.3 -promoter catalyzed .alpha.-olefin oligomerization process is disclosed wherein the oligomer reaction product is water washed to extract BF.sub.3 as its hydrate and any water soluble promoter and the water extract is distilled to remove components boiling below BF.sub.3 hydrate overhead leaving a residual product which is at least 50 weight percent BF.sub.3 in the form of BF.sub.3 hydrate.Type: GrantFiled: October 17, 1988Date of Patent: September 11, 1990Assignee: Ethyl CorporationInventors: Howard W. Walker, Ronny W. Lin
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Patent number: 4950822Abstract: Unsaturated .alpha.-olefin oligomers are topped to remove monomer and dimer and then distilled to remove a trimer fraction leaving a residue of tetramer, pentamer and higher oligomers. The trimer fraction is hydrogenated to form saturated .alpha.-olefin oligomer suitable for use as a lubricant.Type: GrantFiled: June 27, 1988Date of Patent: August 21, 1990Assignee: Ethyl CorporationInventors: Thomas J. Dileo, Marshall B. Nelson, Matthew J. Lynch
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Patent number: 4940833Abstract: Olefin monomer is recovered from a liquid polymerization reaction mixture comprising olefin monomer, catalyst residue, and catalyst deactivation compounds by washing the mixture with water and then separating the organic phase and aqueous phase. The liquid mixture can also comprise soluble olefin polymer.Type: GrantFiled: November 29, 1988Date of Patent: July 10, 1990Assignee: Phillips Petroleum CompanyInventors: Charles A. Drake, William R. Parrish, Roy C. Lee
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Patent number: 4935570Abstract: Synlubes having a consistently low pour point are made by feeding a promoter (e.g. water, alcohol) at a controlled rate over an extended time period to an .alpha.-olefin (e.g. 1-decene) in contact with boron trifluoride.Type: GrantFiled: June 27, 1988Date of Patent: June 19, 1990Assignee: Ethyl CorporationInventors: Marshall B. Nelson, Matthew J. Lynch, Thomas J. DiLeo
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Patent number: 4929800Abstract: Hydrocarbon conversion processes are disclosed using a catalyst prepared by a method comprising reacting an adsorbent containing surface hydroxyl groups with a Lewis acid in a halogenated organic solvent.Type: GrantFiled: August 9, 1988Date of Patent: May 29, 1990Assignee: University of FloridaInventors: Russell S. Drago, Edward E. Getty
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Patent number: 4910355Abstract: Olefin oligomers having a lower pour point are obtained by forming a mixture of C.sub.8-18 olefins containing 50-90 weight percent .alpha.-olefins and 10-50 weight percent internal olefins and oligomerizing this mixture using a Friedel Crafts catalyst (e.g. BF.sub.3) and a promoter (e.g. n-butanol). The mixture of olefins can be formed from .alpha.-olefins (e.g. 1-decene) by subjecting the .alpha.-olefins to isomerization until 10-50 weight percent of the olefins are internal olefins.Type: GrantFiled: November 2, 1988Date of Patent: March 20, 1990Assignee: Ethyl CorporationInventors: Ronald L. Shubkin, Gerhard O. Kuehnhanss
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Patent number: 4902846Abstract: C.sub.8-14 .alpha.-olefins are oligomerized to a oligomer mixture containing a high content of tetramer by feeding the .alpha.-olefin to a reaction vessel at a controlled rate over an extended period and in the presence of BF.sub.3 and a promoter such as an alcohol.Type: GrantFiled: February 2, 1989Date of Patent: February 20, 1990Assignee: Ethyl CorporationInventors: Thomas J. DiLeo, Matthew J. Lynch, Marshall B. Nelson, Ronny W. Lin
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Patent number: 4849572Abstract: There is provided a process for preparing polybutenes having enhanced reactivity using a BF.sub.3 catalyst and an immediate quench procedure and controlled polymerization times of 12 to 40 minutes in combination with isobutylene conversions of at least 70%.Type: GrantFiled: December 22, 1987Date of Patent: July 18, 1989Assignee: Exxon Chemical Patents Inc.Inventors: Frank J. Chen, Jacob Emert, Robert D. Lundberg, Gregory C. Giffin
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Patent number: 4788373Abstract: A process for the catalyzed oligomerization of ethylene to a product rich in linear C.sub.4 olefins using a catalyst composition made by incorporating a major amount of HAMS-1B crystalline borosilicate molecular sieve composited in an inorganic matrix or an amorphous, silica-alumina support with minor amounts of a nickel compound and a zinc compound and calcining the result to form a composite containing supported zinc and nickel oxides.Type: GrantFiled: June 30, 1987Date of Patent: November 29, 1988Assignee: Amoco CorporationInventor: Philip O. Nubel
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Patent number: 4777310Abstract: A method for the selective gas-phase equilibration of at least one C.sub.3 or greater monoalkene over a HAMS-1B crystalline borosilicate-based catalyst composition employing operating conditions in which the total butylene and t-amylene C.sub.5 and lower fraction of the product are maximized and the formation of C.sub.1 to C.sub.3 hydrocarbons, total aromatics and total paraffins are minimized. In another aspect of the invention the equilibration product is usefully separated by converting the isobutylene and t-amylene fractions to their methyl ethers by reaction with methanol.Type: GrantFiled: December 30, 1987Date of Patent: October 11, 1988Assignee: Amoco CorporationInventors: David L. Sikkenga, Chander Balakrishnan
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Patent number: 4691072Abstract: The conversion is increased in the preparation of polyisobutylene by polymerization of isobutylene in a polymerization zone at from 0.degree. to -130.degree. C. in the presence of from 0.01 to 1.0% by weight of a boron trifluoride catalyst, from 0.001 to 1.0% by weight of a molecular weight regulator and from 30 to 90% by weight of a low-boiling solvent which is inert under the reaction conditions, by a process in which the content of but-1-ene in the monomeric isobutylene is kept constant at from 1.9 to 2.1, in particular 2.0, % by weight.Type: GrantFiled: July 22, 1986Date of Patent: September 1, 1987Assignee: BASF AktiengesellschaftInventors: Hans Schick, Erich Kolk, Karl-Heinz Fauth, Heinrich Mohr
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Patent number: 4650917Abstract: The viscosity index of synthetic lubricant stocks such as those produced by olefin oligomerization is increased by contacting such stocks with a solid acidic isomerization catalyst such as boron trifluoride at elevated temperatures, say above about 200.degree. C. The high viscosity index fractions of the resulting product may be sorbed by a shape-selective zeolite such as ZSM-5 and recovered to produce a high VI lubricant.Type: GrantFiled: August 19, 1985Date of Patent: March 17, 1987Assignee: Mobil Oil CorporationInventors: Ralph M. Dessau, David H. Olson
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Patent number: 4605808Abstract: This invention relates to a process for producing polyisobutene which has at least 70% of its unsaturation in the terminal position. The process uses a complex of boron trifluoride and alcohol as catalyst and a contact time of at least 8 minutes. The feature of the process is its ability to use longer contact times than used hitherto thereby facilitating its commercial operation and improving the control of such an operation. The high terminal unsaturation improves the reactivity of the polymer.Type: GrantFiled: October 30, 1984Date of Patent: August 12, 1986Assignee: BP Chemicals LimitedInventor: John N. R. Samson
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Patent number: 4605807Abstract: A method for converting normally gaseous olefins (esp., ethylene) to normally liquid hydrocarbons wherein the olefin feed is contacted with a siliceous molecular sieve at elevated temperatures and short olefin contact times under high severity conditions favorable for substantial conversion of olefins with maximized liquids productivity. ZSM-5 type zeolites and crystalline borosilicate molecular sieves are particularly preferred catalysts.Type: GrantFiled: May 6, 1985Date of Patent: August 12, 1986Assignee: Atlantic Richfield CompanyInventor: Harry Mazurek
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Patent number: 4587368Abstract: A process is described for the production of a synthetic hydrocarbon especially useful as a base for high performance motor oils. The material is a oligomer of alpha-olefin monomer having a uniquely selective product distribution emphasizing tetramers and pentamers. This distribution is achieved through a controlled polymerization involving an initial oligomerization step followed by the delayed addition of fresh monomer to improve the yield of the desired tetramers and pentamers.Type: GrantFiled: December 27, 1983Date of Patent: May 6, 1986Assignee: Burmah-Castrol, Inc.Inventor: Robert E. Pratt
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Patent number: 4582949Abstract: This invention relates to a two-stage conversion of olefins into aromatic hydrocarbon mixtures by contacting them in the first stage with a crystalline metal silicate and in the second stage with a crystalline gallium silicate.Type: GrantFiled: May 17, 1985Date of Patent: April 15, 1986Assignee: Shell Oil CompanyInventor: Eduard P. Kieffer
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Patent number: 4567307Abstract: A method of synthesizing hydrocarbons from a methane source which includes the steps of contacting a methane with an oxide of a metal which oxide when contacted with methane at between about 500.degree. and 1000.degree. C. is reduced and produces higher hydrocarbon products and water, recovering ethylene from the effluent of the contacting and oligomerizing the ethylene to produce higher hydrocarbon products.Type: GrantFiled: April 16, 1984Date of Patent: January 28, 1986Assignee: Atlantic Richfield CompanyInventors: C. Andrew Jones, John J. Leonard, John A. Sofranko
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Patent number: 4544791Abstract: The invention relates to a process for producing premium gasoline from olefinic C.sub.4 cuts containing 1- and 2-butenes and isobutene, the process consisting of converting at least 97% of the total isobutene content of the charge and at least the major portion of the 1- and 2-butenes thereof to C.sub.4 hyrocarbons dimers and trimers without producing substantial amounts of kerosene, said process being characterized in that, in a first step, the olefinic C.sub.4 cut is treated in a first polymerization catalytic zone so as to convert at least 80% of the isobutene to isobutene dimers and trimers and to convert at most 45% of the mixture of 1- and 2-butenes to dimers and trimers thereof, in that, subsequently, the effluent from said first catalytic polymerization zone is fractionated so as to recover, on the one hand, from the column bottom, essentially the C.sub.Type: GrantFiled: June 22, 1984Date of Patent: October 1, 1985Assignee: Institut Francais du PetroleInventors: Bernard Juguin, Jean Miquel
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Patent number: 4520225Abstract: The invention relates to a process for the pretreatment of a light olefin fraction, or of a mixture of such fractions, for the purpose of selectively removing the isobutene and butadiene present.In accordance with the invention, the olefin fraction is contacted with boron trifluoride in the gas phase, under such conditions and for such a length of time that the isobutene and the butadiene will polymerize selectively, and the boron trifluoride and the isobutene and butadiene polymers obtained are then conventionally separated from the effluent.Type: GrantFiled: November 14, 1983Date of Patent: May 28, 1985Assignee: Compagnie Francaise de RaffinageInventors: Claude Marty, Philippe Engelhard
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Patent number: 4517396Abstract: A process for converting C.sub.2 -C.sub.5 olefins into middle distillates at a temperature of 150.degree.-300.degree. C. over a catalyst which has been prepared by depositing at least 0.1% w Ni or Co by ion exchange onto a crystalline metal silicate having a ZSM-5 structure.Type: GrantFiled: May 15, 1984Date of Patent: May 14, 1985Assignee: Shell Oil CompanyInventors: Arend Hoek, Eduard P. Kieffer
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Patent number: 4503279Abstract: Ethylene is oligomerized to linear, alpha-olefins by reacting ethylene in liquid phase solution in the presence of a catalyst composition produced by contacting in the presence of ethylene (1) a simple divalent nickel salt, (2) a boron hydride reducing agent, and (3) an o-dihydrocarbylphosphinophenyl alcohol or lower alkyl ether.Type: GrantFiled: June 11, 1984Date of Patent: March 5, 1985Assignee: Shell Oil CompanyInventor: David M. Singleton
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Patent number: 4503282Abstract: A process to convert a substantially linear alkene, such as n-butene, to isomerized products comprises contacting such alkene under conversion conditions comprising a temperature of above 300.degree. C. to about 650.degree. C. and an alkene reactant partial pressure of less than about 0.4 atmospheres with an AMS-1B borosilicate catalyst composition containing at least 50 wt. % hydrogen from AMS-1B incorporated in an inert binder.Type: GrantFiled: September 24, 1982Date of Patent: March 5, 1985Assignee: Standard Oil Company (Indiana)Inventor: David L. Sikkenga
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Patent number: 4499326Abstract: A process to convert a normal butene to isomerized products comprises contacting such alkene under conversion conditions with a hydrogen form AMS-1B borosilicate catalyst composition at a conversion temperature below 250.degree. C.Type: GrantFiled: September 24, 1982Date of Patent: February 12, 1985Assignee: Standard Oil Company (Indiana)Inventor: John L. Melquist
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Patent number: 4499325Abstract: A process to convert an alkene to oligomerized, aromatized and isomerized products comprises contacting such alkene under conversion conditions with an AMS-1B borosilicate catalyst composition.Type: GrantFiled: September 24, 1982Date of Patent: February 12, 1985Assignee: Standard Oil Company (Indiana)Inventors: Marvin R. Klotz, Edwin F. Peters
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Patent number: 4490571Abstract: An oligomerization process is effected by treating olefinic hydrocarbons containing from 2 to about 6 carbon atoms in the presence of a catalyst comprising boron fluoride composited on an alumina support. The catalyst is treated with an additive comprising an oxygen or nitrogen-containing compound either prior to or during the process whereby the product which is obtained from the reaction will contain oligomer isomers possessing minimal branching.Type: GrantFiled: October 5, 1983Date of Patent: December 25, 1984Assignee: UOP Inc.Inventors: Mark J. O'Hara, Tamotsu Imai
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Patent number: 4479023Abstract: A process for the oligomerization of olefin fractions where boron trifluoride in the gas phase is contacted with such a fraction, in the absence of a catalyst carrier, under such conditions and for such a length of time that the isobutene and/or butadiene present will polymerize; the boron trifluoride and the isobutene and/or butadiene polymers obtained are then conventionally separated from said fraction; and the olefins of the fraction so purified are oligomerized in the presence of a boron trifluoride catalyst comprising a catalyst carrier.Type: GrantFiled: December 8, 1983Date of Patent: October 23, 1984Assignee: Compagnie Francaise de RaffinageInventors: Claude Marty, Philippe Engelhard
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Patent number: 4469912Abstract: A process is provided whereby the dimer fraction obtained from a boron trifluoride catalyzed oligomerization process is reacted with an .alpha.-olefin in the presence of a phosphoric acid-modified boron trifluoride catalyst to produce higher oligomeric products typically having viscosities (210.degree. F.) in the 4 to 8 centistoke range.Type: GrantFiled: August 15, 1983Date of Patent: September 4, 1984Assignee: National Distillers and Chemical CorporationInventors: Charles W. Blewett, Stephen W. Turner
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Patent number: 4463212Abstract: Olefinic hydrocarbons containing from 2 to about 6 carbon atoms may be oligomerized to provide selective olefins by treatment with a catalyst comprising a metal halide intercalated in a carbon matrix. The oligomerization may be effected at temperatures ranging from about 50.degree. to about 350.degree. C. and a pressure in the range of from about 500 to about 2000 psig in the presence of a catalyst such as antimony fluoride intercalated in graphite.Type: GrantFiled: December 10, 1982Date of Patent: July 31, 1984Assignee: UOP Inc.Inventor: Tamotsu Imai
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Patent number: 4454366Abstract: Spent boron trifluoride catalyst is removed from organic liquids by contacting the liquid with polyvinyl alcohol. For example, boron trifluoride catalyst is removed from 1-olefin oligomer product by passing the liquid oligomer through a bed of granular polyvinyl alcohol. The boron trifluoride is recovered from the polyvinyl alcohol and is recycled for use as a catalyst.Type: GrantFiled: December 15, 1982Date of Patent: June 12, 1984Assignee: Gulf Research & Development CompanyInventors: Roger F. Vogel, Ajay M. Madgavkar, Harold E. Swift
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Patent number: 4451689Abstract: Preparation of high molecular weight, branched-chain olefins by the co-dimerization of C.sub.9 -C.sub.21 branched-chain internal olefins by a process comprising (a) contacting a propylene oligomer feedstock having from 9 to 21 carbon atoms in a reaction zone with a catalyst selected from the group consisting of hydrogen fluoride, boron trifluoride-alkanol and aluminum chloride; (b) maintaining the temperature in the reaction zone between about 0.degree. C. and 75.degree. C.; and (c) maintaining the pressure in the reaction zone between about 0 psig and 100 psig.Type: GrantFiled: July 27, 1982Date of Patent: May 29, 1984Assignee: Chevron Research CompanyInventor: Joseph Z. Pasky
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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: 4451685Abstract: A process to convert propylene to gasoline blending stock products comprises contacting C.sub.2 -C.sub.3 olefins under conversion conditions with an AMS-1B crystalline borosilicate catalyst composition.Type: GrantFiled: April 15, 1983Date of Patent: May 29, 1984Assignee: Standard Oil Company (Indiana)Inventors: Thomas D. Nevitt, Norman F. Jerome
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Patent number: 4436947Abstract: Olefin oligomers suitable as lubricants are prepared with a catalyst comprising boron trifluoride and a mixture of an alcohol, a polyol and a ketone. 1-Decene is oligomerized to a liquid product having a high trimer to tetramer ratio using boron trifluoride and a mixture of n-butanol, ethylene glycol and methylethyl ketone.Type: GrantFiled: September 11, 1981Date of Patent: March 13, 1984Assignee: Gulf Research & Development CompanyInventors: Neal E. Morganson, Adam V. Vayda
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Manufacture of synthetic lubricant additives from internal olefins using boron trifluoride catalysis
Patent number: 4434308Abstract: An improved process for the manufacture of synthetic lubricant additives from internal olefins is described. The process utilizes boron trifluoride catalysis with a promoter to produce oligomer mixtures that have surprisingly low viscosities at low temperatures and surprisingly high viscosity indexes as compared with the oligomers found in other methods. It is important that internal olefins be used almost exclusively in the method of this invention.Type: GrantFiled: April 28, 1982Date of Patent: February 28, 1984Assignee: Texaco Inc.Inventors: John M. Larkin, Lewis W. Watts, Jr., Edward T. Marquis -
Patent number: 4434309Abstract: A mixture of predominantly low molecular weight alpha olefins may be oligomerized over a boron trifluoride catalyst and a protonic promoter. When the oligomers are hydrogenated they provide a synthetic lubricant base stock having excellent properties. The alpha olefins may be derived from ethylene polymerization or wax pyrolysis. An inert organic solvent may be present. Preferably, the olefin mixture is made up of greater than 50 weight weight percent of at least one low molecular weight alpha olefin having 4 to 6 carbon atoms and less than 50 weight percent of at least one higher molecular weight alpha olefin having 8 to 18 carbon atoms.Type: GrantFiled: June 18, 1982Date of Patent: February 28, 1984Assignee: Texaco Inc.Inventors: John M. Larkin, Walter H. Brader, Jr.
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Patent number: 4433197Abstract: Boron trifluoride is removed from coordination compounds contaminating organic liquids by contacting the contaminated liquid with silica. For example, boron trifluoride is removed from a boron trifluoride-n-butanol coordination compound contaminating a 1-olefin oligomer product by passing the contaminated liquid oligomer through a bed of silica.Type: GrantFiled: July 8, 1982Date of Patent: February 21, 1984Assignee: Gulf Research & Development CompanyInventors: Roger F. Vogel, Ajay M. Madgavkar, Harold E. Swift
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Patent number: 4433190Abstract: A process to convert an alkane, such as n-butane, to dehydrogenated and isomerized products comprises contacting such alkane under conversion conditions with an AMS-1B crystalline borosilicate catalyst composition containing an ion or molecule of a catalytically active element, such as a noble metal.Type: GrantFiled: September 24, 1982Date of Patent: February 21, 1984Assignee: Standard Oil Company (Indiana)Inventors: David L. Sikkenga, Thomas D. Nevitt, Norman F. Jerome