Non-metal Material Is Organic Oxygen-containing Compound Patents (Class 526/142)
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Patent number: 5405924Abstract: An olefin metathesis catalyst system and process for the metathesis polymerization of cyclic olefins, such as dicyclopentadiene, are disclosed. The catalyst system comprises the reaction product of:(a) an imido transition metal halide complex of formula: ##STR1## wherein Ar is C.sub.6-20 aryl, preferably phenyl; M is a transition metal selected from the second and third rows of Groups 5, 6, 7 and 8 of the Periodic Table (IUPAC 1989 convention) and including for example niobium, tantalum, molybdenum, tungsten, rhenium, ruthenium or osmium, preferably tungsten or molybdenum; R is independently halide, C.sub.1-20 alkyl, C.sub.1-12 alkoxy, C.sub.1-12 haloalkyl, C.sub.6-20 aryl, C.sub.6-20 aryloxy, cyano or combinations thereof; L is independently a complexing ligand selected from carbonyl, C.sub.1-12 alkoxy, C.sub.1-12 haloalkoxy, C.sub.1-12 alkyl ethers, including mono-, di- and higher ethers, C.sub.12 alkylnitriles, C.sub.5-20 pyridines, C.sub.Type: GrantFiled: June 22, 1994Date of Patent: April 11, 1995Assignee: Shell Oil CompanyInventor: Donald R. Kelsey
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Patent number: 5403904Abstract: A process is disclosed for preparation of telechelic difunctional unsaturated oligomers and polymers having at least one internal carbon-to-carbon double bond wherein the functional groups are terminal reactive groups. The reactants are acyclic polyenes with terminal carbon-to-carbon double bonds and olefins with at least one functional group. The polymerization process is substantially free of side reactions comprising double bond migration and cyclization. The telechelic difunctional unsaturated oligomers and polymers have a functionality of about 2 and are suitable for preparation of block copolymers, ion exchange resins, adhesives, and flocculants and for further functionalization.Type: GrantFiled: May 27, 1993Date of Patent: April 4, 1995Assignee: Amoco CorporationInventors: Philip O. Nubel, Robert B. Morland, Howard B. Yokelson
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Patent number: 5399637Abstract: Polymerizable compositions having at least one cationically polymerizable monomer; an optional free radically polymerizable monomer; an energy-polymerizable catalyst system wherein the catalyst system comprises an organometallic complex salt; a thermally decomposable ester reaction product of a tertiary alkyl alcohol and an acid that forms a chelation complex with the metal ion of the organometallic complex salt; optionally, a peroxide. The polymerized compositions are useful as cured adhesive films, pressure sensitive adhesives, protective coatings, liquid adhesives, structural and semi-structural adhesives, and free standing films.Type: GrantFiled: July 29, 1993Date of Patent: March 21, 1995Assignee: Minnesota Mining and Manufacturing CompanyInventors: Peggy S. Willett, Janis Robins, Kent S. Tarbutton, Michael A. Kropp
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Patent number: 5391659Abstract: A polymerization catalyst is formed by producing a solution of a halide of scandium, yttrium, or a rare earth metal and an alcohol; contacting the solution with an organometallic compound to form a soluble complex; and contacting the soluble complex with a halide ion exchanging source. Optionally an ester or an anhydride can also be combined with the halide solution or the soluble complex. The catalyst thus produced can be combined with an organometallic cocatalyst.Type: GrantFiled: May 14, 1993Date of Patent: February 21, 1995Assignee: Phillips Petroleum CompanyInventors: Ted M. Pettijohn, Henry L. Hsieh
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Patent number: 5378778Abstract: A liquid catalyst component which can be used as a component of a catalyst system in combination with an organoaluminum compound (B) for producing ethylene-.alpha.-olefin copolymers.Type: GrantFiled: April 29, 1994Date of Patent: January 3, 1995Assignee: Sumitomo Chemical Company, LimitedInventors: Hirofumi Johoji, Hiroyuki Shiraishi, Toshio Sasaki, Kiyoshi Kawai
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Patent number: 5374695Abstract: Process for the preparation of elastomeric copolymers of ethylene, wherein ethylene is copolymerized with an .alpha.-olefin, and possibly with a diene as termonomer, in the presence of a Ziegler-Natta catalyst including a solid component of catalyst based on titanium and aluminium, supported on magnesium chloride and obtained, in accordance with a special procedure, in the form of a spherical granular solid. This process produces elastomeric copolymers having a low crystallinity even with a high content of linked ethylene.Type: GrantFiled: July 9, 1992Date of Patent: December 20, 1994Assignee: Enichem Elastomeri S.r.l.Inventors: Tiziano Tanaglia, Sergio Foschi
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Patent number: 5373071Abstract: A process for the polymerization of actylenically unsaturated compounds by contacting the monomer(s) under polymerization conditions with a catalyst system comprising:a) a source of cations of one or more Group VIII metals;b) a bidentate ligand containing phosphorus, arsenic and/or antimony; andc) a source of anions.Type: GrantFiled: June 14, 1993Date of Patent: December 13, 1994Assignee: Shell Oil CompanyInventors: Eit Drent, Dennis H. L. Pello
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Patent number: 5362416Abstract: Suspensions, in oils, of particles containing a transition metal compound, which are spheroidal and of narrow particle size distribution.These suspensions can be employed in processes for the polymerization of alpha-olefins, carried out in the presence of an organoaluminium activator.Type: GrantFiled: November 19, 1992Date of Patent: November 8, 1994Assignee: Solvay & Cie (Societe Anonyme)Inventor: Jean-Louis Costa
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Patent number: 5362823Abstract: In a transition metal catalyst system, the improvement comprising including in the catalyst system an autoacceleration inhibitor, which (i) at about the temperature at which the catalyst system autoaccelerates, decomposes into a poison for the catalyst system; (ii) is present in the catalyst system in an amount sufficient to provide the quantity of poison required to inhibit the autoacceleration of the catalyst system at the autoacceleration temperature; and (iii) is either essentially inert at the normal operating temperature of the catalyst system or will cause substantially less inhibition of the catalyst system at the normal operating temperature than at the autoacceleration temperature.Type: GrantFiled: March 6, 1990Date of Patent: November 8, 1994Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Frederick J. Karol, Kao Sun-Chueh, James S. Drage
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Patent number: 5349033Abstract: It is possible to obtain globular polymers in the polymerization of alpha-olefins by means of a highly active, spherical Ziegler catalyst. The polymers have a high bulk density and can be processed very easily.Type: GrantFiled: September 7, 1993Date of Patent: September 20, 1994Assignee: Hoechst AktiengesellschaftInventor: Gerhard Thum
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Patent number: 5349034Abstract: A catalyst for production of 1,4-polybutadiene which comprisesas the catalyst component (A) a transition metal compound represented by the formula M(R)l(OR')m X.sub.n-(l+m), wherein M denotes a transition metal atom, R and R' each denote a hydrocarbon group of 1-20 carbon atoms, X denotes a halogen atom, and l, m and n denote numerals satisfying the equations l.gtoreq.0, m.gtoreq.0 and n-(l+m).gtoreq.0, n corresponding to the valence of the transition metal,as the catalyst component (B) an organoaluminum compound represented by the formula AlR.sup.1.sub.a X'.sub.3-a, wherein R.sup.1 denotes a hydrocarbon group of 1-20 carbon atoms, X denotes a halogen atom, and a denotes a numeral satisfying the equation 1.ltoreq.a.ltoreq.3, or an aluminoxane obtained by the reaction of said organoaluminum compound with water, andas the catalyst component (C) an organic compound having at least two hydroxyl groups.Type: GrantFiled: July 22, 1993Date of Patent: September 20, 1994Assignee: Sumitomo Chemical Company, LimitedInventors: Masahiro Kakugo, Tatsuya Miyatake, Koozi Mizunuma, Yoshio Yagi, Kazuhiro Watanabe
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Patent number: 5348925Abstract: A solid component of catalyst, active in the polymerization of propylene and other .alpha.-olefins in stereoregular polymers, is obtained:(i) by treating a non-activated silica support in particles with a tin tetrahalide, to at least partially block the hydroxylic groups of the silica and to obtain a blocked silica;(ii) by impregnating the blocked silica with magnesium dialkyl or magnesium alkyl halide to make the magnesium compound react with the tin compound and with possible residual hydroxylic groups of the silica and to obtain a support;(iii) by halogenating the support by contact with a halogenating agent selected from the halides of tin, antimonium or silicon to obtain a halogenated support;(iv) by titanating the halogenated support with an excess of a titanium tetrahalide to obtain a titanated support;(v) by putting the titanated support in contact with a Lewis base, to obtain a solid component of catalyst.Type: GrantFiled: February 22, 1993Date of Patent: September 20, 1994Assignee: ECP Enichem Polimeri S.r.l.Inventors: Federico Milani, Luciano Luciani, Antonio Labianco
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Patent number: 5346971Abstract: A process for producing polybutadiene essentially consisted of syndiotactic-1,2-polybutadiene in an aqueous medium includes a step off polymerizing diene essentially consisted of 1,3-butadiene in the presence of: (A) a catalyst composition including (a) a transition metal compound, and (b) an organometallic compound which includes a metal selected from the elements consisting off groups 1, 2, 12, and 13 of Periodic Table; (B) an initiator comprising at least one component selected from a group consisting of carbon disulfide, an isothiocyanate compound, and a xanthogenic compound; and (C) an inert organic liquid having a density of at least 1.10, thereby resultant particles of syndiotactic-1,2-polybutadiene have a diameter up to 2 min.Type: GrantFiled: May 11, 1993Date of Patent: September 13, 1994Assignee: UBE Industries, Ltd.Inventors: Kenichi Hongyo, Michinori Suzuki, Kazuhiro Akikawa
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Patent number: 5332793Abstract: A process for the production of EPRs comprising contacting ethylene, propylene, and optionally, a diene, under polymerization conditions, with a catalyst system comprising:(A) a catalyst precursor comprising:(i) a vanadium compound, which is the reaction product of(a) VX.sub.3 wherein each X is independently chlorine, bromine, or iodine; and(b) an electron donor, which is a liquid, organic Lewis base in which VX.sub.3 is soluble;(ii) a modifier having the formula BX.sub.3 or AlR.sub.(3-a) X.sub.Type: GrantFiled: June 28, 1993Date of Patent: July 26, 1994Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventor: Kevin J. Cann
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Patent number: 5319042Abstract: This invention relates to a two component catalyst system for the polymerization of metathesis polymerizable cycloolefins, comprising (a) a tungsten compound of the formula WOX.sub.4-x (OAr).sub.x where X is chlorine, bromine or fluorine, Ar is a hindered phenyl ring having 1-5 specified substituents and x = 1, 2 or 3; and (b) an activator compound.Among the preferred molecules or groups that are substituted on the phenyl ring of the tungsten compound are phenyl, chlorine, bromine, methoxy and isopropyl groups. Ar can also represent a multi-substituted phenyl group such as 2,4-dichloro-6-methylphenyl.Type: GrantFiled: October 18, 1991Date of Patent: June 7, 1994Assignee: Hercules IncorporatedInventor: Andrew Bell
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Patent number: 5298579Abstract: A method of using a catalyst with a suitable cocatalyst in the polymerization or copolymerization of 1-olefins are disclosed. The catalyst is prepared by: a) contacting a Group IIA organometallic compound, like 2-methylpentanoxymagnesium chloride, or a Group III organometallic compound, like triethylaluminum, or a combination thereof, with a porous or nonporous biodegradable substrate having active surface hydroxyl groups, like cellulose, to provide a modified biodegradable substrate; then b) contacting the modified biodegradable substrate with a transition metal compound, such as a transition metal halide or alkoxide, like titanium tetrachloride or vanadium (V) trichloride oxide, to form discrete catalyst particles. The catalyst particles are used in conjunction with a suitable cocatalyst, like triethylaluminum, in the homopolymerization or copolymerization of 1-olefins. During polymerization, porous biodegradable catalyst particles are fragmented into small solid particles that are trapped within polymer.Type: GrantFiled: November 13, 1992Date of Patent: March 29, 1994Assignee: Quantum Chemical CorporationInventors: Raymond E. Hoff, Leonard V. Cribbs
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Patent number: 5290896Abstract: The present invention relates to a novel ethylene/pentene-1 copolymer whose molded film has a good balance between impact resistance and tear properties and high transparency, also is prominently reduced in a variation of the transparency even after subjected to a heat treatment, and further shows high blocking resistance, provided that the copolymer fulfills specific requisites. The invention also relates to a process for the preparation of the above-mentioned ethylene/pentene-1 copolymer and a formulation of the ethylene/pentene-1 copolymer composition using a stabilizer. According to the invention, there can be obtained an ethylene/pentene-1 copolymer composition which is excellent in heat stability in the molding stage, long-term heat stability and weatherability.Type: GrantFiled: February 27, 1991Date of Patent: March 1, 1994Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Mamoru Kioka, Tsuneo Yashiki, Takashi Ueda, Masaki Kohyama, Masaya Yamada, Seiichi Ikeyama, Yoshinori Akana, Kenji Iwata, Satoshi Matsumoto, Hideki Sakai
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Patent number: 5280000Abstract: The present invention relates to a novel catalyst used for homopolymerization of an olefin of 2 or more carbon atoms or for copolymerization of two or more olefins of 2 or more carbon atoms, as well as to a process for producing an olefin polymer using said catalyst. High molecular olefin polymers can be produced at a high yield, by homopolymerizing an olefin or copolymerizing olefins using a catalyst system consisting of a transition metal compound of the general formula M(R).sub.l (OR').sub.m X.sub.n-(l+m) and an aluminoxane or a catalyst system comprising a transition metal compound of the general formula M(R).sub.l (OR').sub.m X.sub.n-(l+m), an aluminoxane and an organic compound having at least 2 hydroxyl groups.Type: GrantFiled: August 14, 1991Date of Patent: January 18, 1994Assignee: Sumitomo Chemical Company, LimitedInventors: Masahiro Kakugo, Tatsuya Miyatake, Yoshio Kawai, Akinobu Shiga, Kooji Mizunuma
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Patent number: 5278305Abstract: A catalyst and process for the polymerization of cyclic olefins, such as dicyclopentadiene, are disclosed. The catalyst comprises the reaction product of a transition metal halide and a 1,4-hydroquinone of the general formula: ##STR1## wherein R is independently selected from the group of hydrogen, C.sub.1-12 alkyl, C.sub.6-20 aryl, halide, and C.sub.1-6 haloalkyl. Optional co-catalysts include borohydrides, organo tin hydrides and organo aluminum compounds. Polymerization can be carried out in a reaction injection molding process to prepare a molded article.Type: GrantFiled: December 31, 1992Date of Patent: January 11, 1994Assignee: Shell Oil CompanyInventor: Donald R. Kelsey
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Patent number: 5276117Abstract: A catalyst for producing styrene-based polymers, containing (A) a titanium compound, (B) a contact product of an organoaluminum compound and water, and (C) an organic polyhydroxy compound, or (A) a titanium compound and (B) a contact product of an organoaluminum compound, water and a organic polyhydroxy compound, and a process for producing styrene-based polymers by the use of the above catalyst.Type: GrantFiled: September 15, 1992Date of Patent: January 4, 1994Assignee: Idemitsu Kosan Co., Ltd.Inventors: Norio Tomotsu, Hiroshi Maezawa
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Patent number: 5276118Abstract: A catalyst and process for the metathesis polymerization of cyclic olefins, such as dicyclopentadiene, are disclosed. The catalyst comprises the reaction product of a transition metal halide preferably tungsten, molybdenum, or tantalum halides and a diaryl carbinol of the formula ##STR1## wherein G is independently C.sub.1-12 alkyl, C.sub.1-12 alkoxy, C.sub.1-12 alkylamino, C.sub.6-20 aryl, halide, or C.sub.1-6 haloalkyl; g is independently 0 to 4; R is independently hydrogen or G or the R's are combined as a single bond or as a bridging group X, where X is CH.sub.2, CH.sub.2 CH.sub.2, O, S, SO, SO.sub.2 or NR.sup.1, and R.sup.1 is H or C.sub.1-6 alkyl. Optional co-catalysts include borohydrides, organo tin hydrides and organo aluminum compounds. Polymerization can be carried out in a reaction injection molding process to prepare a molded article.Type: GrantFiled: December 31, 1992Date of Patent: January 4, 1994Assignee: Shell Oil CompanyInventor: Donald R. Kelsey
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Patent number: 5266666Abstract: Ethylene and optionally an .alpha.-olefin are polymerized in the presence of a catalyst comprising a solid catalyst component and an organometallic compound, said solid catalyst component being obtained by mutually contacting the following components:(A) a reaction product obtained by the reaction of a magnesium halide and a compound represented by the general formula Ti(OR.sup.1).sub.4 wherein R.sup.1 is a hydrocarbon radical having 1 to 20 carbon atoms;(B) a reaction product obtained by the reaction of an aluminum halide and a compound represented by the general formula Si(OR.sup.2).sub.4 wherein R.sup.2 is a hydrocarbon radical having 1 to 20 carbon atoms; and(C) a compound represented by the following general formula: ##STR1## wherein R.sup.3 and R.sup.5, which may be the same or different, are each a hydrocarbon radical having 1 to 20 carbon atoms, R.sup.4 is a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, and m is an integer in the range of 1.ltoreq.m.ltoreq.Type: GrantFiled: September 27, 1991Date of Patent: November 30, 1993Assignee: Nippon Oil Company, LimitedInventors: Hirohumi Kamiishi, Takeichi Shiraishi, Kazuo Matsuura
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Patent number: 5260245Abstract: A catalyst for producing higher flow index linear low density polyethylene with relatively narrower molecular weight distributions is described. The catalyst is formed by treating silica having reactive OH groups with a dialkylmagnesium in a solvent for said dialkylmagnesium; then adding to said solvent a carbonyl containing compound to form an intermediate which is subsequently treated with a transition metal to form a catalyst precursor. The catalyst precursor is activated with triethylaluminum.Type: GrantFiled: October 19, 1992Date of Patent: November 9, 1993Assignee: Mobil Oil CorporationInventors: Robert I. Mink, Thomas E. Nowlin
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Patent number: 5252694Abstract: Polymerizable compositions having at least one cationically polymerizable monomer; an optional free radically polymerizable monomer; an energy-polymerizable catalyst system wherein the catalyst system comprises an organometallic complex salt; a thermally decomposable ester reaction product of a tertiary alkyl alcohol and an acid that forms a chelation complex with the metal ion of the organometallic complex salt; optionally, a peroxide. The polymerized compositions are useful as cured adhesive films, pressure sensitive adhesives, protective coatings, liquid adhesives, structural and semi-structural adhesives, and free standing films.Type: GrantFiled: January 22, 1992Date of Patent: October 12, 1993Assignee: Minnesota Mining and Manufacturing CompanyInventors: Peggy S. Willett, Janis Robins, Kent S. Tarbutton, Michael A. Kropp
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Patent number: 5247032Abstract: The present invention relates to solid catalyst components for olefin polymerization formed by prepolymerizing at least two types of .alpha.-olefin on an olefin polymerization catalyst comprising a solid titanium catalyst component, an organometallic compound catalyst component, and if necessary, an electron donor, to olefin polymerization catalyst comprising said solid catalyst component for olefin polymerization, an organometallic compound catalyst component, and if necessary, an electron donor, and to processes for olefin polymerization using said olefin polymerization catalyst.According to the present invention, there can be manufactured olefin polymer particles having low adhesive among the polymer particles as well as good particle distribution and excellent granular properties even when they contain a large amount of an amorphous olefin polymer portion.Type: GrantFiled: May 20, 1992Date of Patent: September 21, 1993Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Mamoru Kioka, Masao Nakano, Takashi Ueda
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Patent number: 5244991Abstract: A process for polymerizing olefins is disclosed which makes use of a catalyst comprising a cyclopentadienyl yttrium halide alkali metal electron donor complex in combination with a cocatalyst comprising an alkali or alkaline earth metal alkyl. Preferred embodiments include the use of hydrogen during the polymerization.Type: GrantFiled: October 15, 1991Date of Patent: September 14, 1993Assignee: Phillips Petroleum CompanyInventor: Rolf L. Geerts
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Patent number: 5241024Abstract: A process for producing a butene-1 polymer is disclosed which is characterized in that, in a process for producing a homopolymer of butene-1 or a copolymer of butene-1 and .alpha.-olefin other than the butene-1 in the presence a catalyst obtained from a solid catalyst component (A), an organic aluminium compound (B) and an electron donating compound (C) and under the condition of vapor phase polymerization, the solid catalyst component (A) is a non-layer solid catalyst component obtained by producing a carrier by chlorinating at least one kind of organic magnesium compounds represented by formulaMgR'R" (1)wherein R' and R", which may be the same or different, each represents an alkyl group having 1 to 20 carbon atoms, with at least one kind of chlorinating agents, the carrier produced is contacted in the presence of the electron donor with a titanic halide at a temperature of -25.degree. to +180.degree. C.Type: GrantFiled: May 9, 1991Date of Patent: August 31, 1993Inventors: Takashi Yamawaki, Hideki Imabayashi
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Patent number: 5235011Abstract: A process for preparing a polymerization catalyst useful for the polymerization of olefins is provided comprising contacting a metal dihalide compound wherein the metal is selected from Group 2 and Group 12 of the Periodic Table and a transition metal compound which is a hydrocarbyloxide of a transition metal selected from Group 4 and Group 5 to form a first catalyst component; contacting the first catalyst component with at least one organoaluminum precipitating agent, wherein at least at the commencement of this step, the temperature at which such contacting is carried out is greater than about 70.degree. C. to about 150.degree. C. to form a solid product, and contacting the solid product with an activating agent to form a catalyst. Other aspects of the invention provide a catalyst prepared by the above described method and a polymerization process employing the thus prepared catalyst.Type: GrantFiled: August 31, 1992Date of Patent: August 10, 1993Assignee: Phillips Petroleum CompanyInventors: Kent E. Mitchell, David C. Miller, Don W. Godbehere, Gil R. Hawley
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Patent number: 5210161Abstract: A vanadium dichloride-ether complex is carried on a porous support. This complex can be produced by either forming VCl.sub.2 and thereafter complexing the material with an ether or forming an ether complex with VCl.sub.4 or VCl.sub.3 and thereafter reducing the vanadium compound to VCl.sub.2. It is also possible to carry out the complexing reaction and the reduction essentially simultaneously. The resulting catalyst in combination with a cocatalyst is capable of giving high activity in olefin polymerization and demonstrates good sensitivity to molecular weight control agents, thus allowing the production of a broad spectrum of polymers so far as molecular weight is concerned.Type: GrantFiled: February 15, 1990Date of Patent: May 11, 1993Assignee: Phillips Petroleum CompanyInventors: Paul D. Smith, Joel L. Martin
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Patent number: 5206315Abstract: A process for preparing polymers of 1-olefins and a catalyst for such process are provided. The catalyst is comprised of a solid titanium halide-containing compound and an alkylaluminum hydride.Type: GrantFiled: April 10, 1989Date of Patent: April 27, 1993Assignee: Phillips Petroleum CompanyInventor: Phil M. Stricklen
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Patent number: 5206314Abstract: A polymerization catalyst useful for the polymerization of olefins is prepared by contacting a metal dihalide compound having a metal selected from Group 2 and Group 12 of the Periodic Table and a transition metal compound which is a hydrocarbyloxide of a transition metal selected from Group 4 and Group 5 to thereby form a first catalyst component; contacting the first catalyst component with at least one organoaluminum precipitating agent to form a solid product; and contacting the solid product with an ester and then an activating agent to form a catalyst. Other aspects of the invention include a catalyst produced by the above described process and a polymerization process employing the thus produced catalyst.Type: GrantFiled: August 31, 1992Date of Patent: April 27, 1993Assignee: Phillips Petroleum CompanyInventors: Kent E. Mitchell, Paul F. Schubert, Gil R. Hawley
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Patent number: 5204420Abstract: A Grignard reagent having the formula RMgX where R is a cycloalkyl or cycloalkenyl group and X is Cl, Br or I, is used as the catalyst activator for the metathesis polymerization of dicyclopentadiene and other polycyclic cycloolefins.Type: GrantFiled: December 23, 1991Date of Patent: April 20, 1993Assignee: Hercules IncorporatedInventor: Tim J. Coffy
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Patent number: 5204305Abstract: Cocatalytic composition resulting from bringing an organoaluminium halide (A) into contact with an electron-donating organic compound (ED) selected from esters, amides and ketones, the organoaluminium halide (A) possessing an atomic ratio halogen (X)/aluminium (Al) of greater than 1 and less than 1.3, the halide (A) and the compound (ED) being employed in a mole ratio halide (A)/compound (ED) of greater than 20.Catalytic systems which are usable for the polymerisation of alpha-olefins, comprising such a cocatalytic composition--and a solid based on titanium trichloride complexed with an electron-donating compound.Type: GrantFiled: August 30, 1991Date of Patent: April 20, 1993Assignee: Solvay S.A.Inventors: Paul Fiasse, Herve Collette
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Patent number: 5202398Abstract: If the transition metal component used in an olefin polymerization catalyst is the product of the reaction between a siloxane-substituted metallocene of titanium, zirconium or hafnium and a hydroxyl group-containing support material, for example silicon dioxide, these metallocene catalysts can be employed in existing polymerization plants which are designed for the suspension process.Type: GrantFiled: December 13, 1989Date of Patent: April 13, 1993Assignee: Hoechst AktiengesellschaftInventors: Martin Antberg, Hartmut Luker, Ludwig Bohm
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Patent number: 5198399Abstract: A catalyst, a method of preparing the catalyst, and a method of using the catalyst with a suitable cocatlayst in the polymerization or copolymerization of 1-olefins are disclosed. The catalyst is prepared by: a) contacting a group IIA organometallic compound, like 2-methylpentanoxymagnesium chloride, or a Group III organometallic compound, like triethylaluminum, or a combination thereof, with a porous or nonporous biodegradable substrate having active surface hydroxyl groups, like cellulose, to provide a modified biodegradable substrate; then b) contacting the modified biodegradable substrate with a transition metal compound, such as a transition metal halide or alkoxide, like titanium tetrachloride or vanadium(V)trichloride oxide, to form discrete catalyst particles. The catalyst particles are used in conjunction with a suitable cocatlalyst, like triethylaluminum, in the homopolymerization or copolymerization of 1-olefins.Type: GrantFiled: January 17, 1992Date of Patent: March 30, 1993Assignee: Quantum Chemical CorporationInventors: Raymond E. Hoff, Leonard V. Cribbs
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Patent number: 5194534Abstract: This invention relates to a two component catalyst system for the polymerization of metathesis polymerizable cycloolefins, comprising(a) a pure tungsten-imido compound (procatalyst) of the formulaW(NR.sup.1)X.sub.4-x (OR.sup.2).sub.x.L.sub.ywherein x=0, 1, 2, 3 or 4; y=0 or 1; R.sup.1 and R.sup.2 are alkyl, phenyl, phenyl-substituted phenyl, phenylalkyl or halogen substituted derivatives of alkyl, phenyl, phenyl-substituted phenyl or phenylalkyl; X=Br or Cl; where alkyl has 1 to 8 carbon atoms, phenyl-substituted phenyl has 12-18 carbon atoms and phenylalkyl has 7 to 20 carbon atoms; L is a donor ligand; and(b) an activator compound selected from organometals and organometal hydrides with tri-n-butyltin hydride and tri-octyltin hydride the most preferred.Type: GrantFiled: September 24, 1991Date of Patent: March 16, 1993Assignee: Hercules IncorporatedInventor: Andrew Bell
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Patent number: 5191041Abstract: An inert hydrocarbon solvent-soluble catalyst for polymerization of olefinic hydrocarbons and a process for producing an olefinic polymer using the same are disclosed, the catalyst being composed of (A) a reaction product obtained by reacting (a) at least one vanadium compound represented by formula:VO(OR).sub.m X.sub.3-mwherein R represents a hydrocarbon group; X represents a halogen atom; and m represents a real number of from 0 to 3, and (b) a dihydroxy hydrocarbon compound constituted of a straight chain hydrocarbon skeleton containing from 2 to 12 carbon atoms and having a hydroxyl group at each of both terminals thereof and at least one hydrocarbon branch bonded to said hydrocarbon skeleton in an inert hydrocarbon solvent at an (a) to (b) molar ratio of from 1:0.5 to 1:1.4 and (B) at least one organoaluminum compound represented by formula:R'.sub.n AlX'.sub.3-nwherein R' represents a hydrocarbon group; X' represents a halogen atom; and n represents a real number more than 0 and less than 3.Type: GrantFiled: January 16, 1992Date of Patent: March 2, 1993Assignee: Sumitomo Chemical Co., Ltd.Inventors: Hayato Saba, Keisaku Yamamoto, Akio Imai, Kiyoyuki Sugimori, Kizuku Wakatsuki
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Patent number: 5185410Abstract: An improved high activity olefin polymerization catalyst catalyzes the production of polymeric lower .alpha.-olefin having good properties and a relatively narrow particle size distribution. The catalyst is produced from an organoaluminum cocatalyst, a selectivity control agent and a novel olefin polymerization procatalyst which is prepared by contacting a tetravalent titanium halide, a halohydrocarbon, an electron donor and the solid procatalyst precursor obtained by heating an adduct of a carbonated magnesium ethoxide and a phenolic compound of enhanced acidity.Type: GrantFiled: June 29, 1992Date of Patent: February 9, 1993Assignee: Shell Oil CompanyInventor: Robert C. Job
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Patent number: 5180867Abstract: A process for the production of thermoset copolymers having tailored product properties such as high glass transition temperature and/or increased cross-linking, the process comprising contacting a comonomer mixture with a methathesis catalyst system obtainable by combining at least a catalyst component and an activator component, wherein the comonomer is selected from compounds according to the formulae: ##STR1##Type: GrantFiled: November 20, 1989Date of Patent: January 19, 1993Assignee: Shell Oil CompanyInventors: Willem Sjardijn, Johannes J. M. Snel
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Patent number: 5166113Abstract: Ziegler-Natta-type catalyst systems containing, as active constituents,a) a titanium-containing solid component which also contains magnesium, halogen and a carboxylic acid ester, and, as cocatalyst,b) an aluminum compound,wherein the carboxylic acid ester in the solid component is a diester of a carboxylic acid of the formula Ia or Ib ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different and are hydrogen, C.sub.1 - to C.sub.15 -alkyl, C.sub.7 - to C.sub.15 -alkylaryl, or 5- to 7-membered cycloalkyl, which may itself carry C.sub.1 - to C.sub.10 -alkyl groups, are particularly suitable for the preparation of polypropylene and copolymers of propylene containing minor amounts of other .alpha.,.beta.-unsaturated olefinic compounds having from 2 to 12 carbon atoms.Type: GrantFiled: September 17, 1991Date of Patent: November 24, 1992Inventors: Harald Schwager, Peter Koelle, Juergen Kerth, Ralf Zolk
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Patent number: 5162277Abstract: An improved high activity olefin polymerization catalyst catalyzes the production of polymeric lower .alpha.-olefin having good properties and a relatively narrow particle size distribution. The catalyst is produced from an organoaluminum cocatalyst, a selectivity control agent and a novel olefin polymerization procatalyst which is prepared by contacting a tetravelent titanium halide, a halohydrocarbon, an electron donor and the solid procatalyst precursor obtained by heating an adduct of a carbonated magnesium ethoxide and a phenolic compound of enhanced acidity.Type: GrantFiled: October 18, 1990Date of Patent: November 10, 1992Assignee: Shell Oil CompanyInventor: Robert C. Job
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Patent number: 5155188Abstract: This invention pertains to the use of a novel cocatalyst in ring opening polymerization of a cycloolefin containing a norbornene moiety in conjunction with a metathesis catalyst, said cocatalyst is selected from aluminum-siloxalanes, aluminum-stannoxalanes, aluminum-germoxalanes, aluminum-plumboxalanes, dialuminoxanes, and mixtures thereof.Type: GrantFiled: January 12, 1990Date of Patent: October 13, 1992Assignee: The B. F. Goodrich CompanyInventor: Brian L. Goodall
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Patent number: 5147950Abstract: A catalyst and process for the polymerization of cyclic olefins, such as dicyclopentadiene, are disclosed. The catalyst includes a transition metal compound and a borohydride co-catalyst, with optional boron halide promoter. Polymerization can be carried out in a reaction injection molding process to prepare a thermoset molded article.Type: GrantFiled: August 8, 1991Date of Patent: September 15, 1992Assignee: Shell Oil CompanyInventor: Donald R. Kelsey
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Patent number: 5146028Abstract: Improved lower .alpha.-olefin polymerization catalysts are produced from an organoaluminum cocatalyst, a selectivity control agent and a specified magnesium-containing, titanium-containing, halide-containing procatalyst. The procatalyst is produced from an electron donor, tetravalent titanium halide and a complex alkoxide compound formed from magnesium alkoxide, titanium alkoxide and a phenolic compound. The catalyst is utilized to produce poly-.alpha.-olefin in good yield, which polymer is characterized by a relatively low xylene solubles content and a relatively high bulk density.Type: GrantFiled: February 10, 1992Date of Patent: September 8, 1992Assignee: Shell Oil CompanyInventor: Robert C. Job
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Patent number: 5142006Abstract: A catalyst and process for the polymerization of cyclic olefins, such as dicyclopentadiene, are disclosed. The catalyst comprises the reaction product of a transition metal halide and a biphenol. Polymerization can be carried out in a reaction injection molding process to prepare a thermoset molded article.Type: GrantFiled: January 29, 1990Date of Patent: August 25, 1992Assignee: Shell Oil CompanyInventor: Donald R. Kelsey
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Patent number: 5128294Abstract: A catalyst component useful in propylene polymerization in combination with a dialkyl aluminum halide cocatalyst comprises the product of reaction of TiCl.sub.3 which is substantially free of extraneous halide with a selected electron donor compound which is dissolved in a liquid hydrocarbon solvent in which the TiCl.sub.3 is dispersed. The electron donor compound is selected from certain organic acid esters, hindered phenolic compounds and silyl esters.The catalyst of the invention provides increased activity, molecular weight control, increased isotacticity of propylene polymer products and prevents catalyst feed line pluggage, among other advantages.Type: GrantFiled: April 20, 1989Date of Patent: July 7, 1992Assignee: Quantum Chemical CorporationInventors: Charles K. Buehler, Cindy S. Senger, Kenneth W. Johnson
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Patent number: 5122493Abstract: An inert hydrocarbon solvent-soluble catalyst for polymerization of olefinic hydrocarbons and a process for producing an olefinic polymer using the same are disclosed, the catalyst being composed of (A) a reaction product obtained by reacting (a) at least one vanadium compound represented by formula:VO(OR).sub.m X.sub.3-mwherein R represents a hydrocarbon group; X represents a halogen atom; and m represents a real number of from 0 to 3, and (b) a dihydroxy hydrocarbon compound constituted of a straight chain hydrocarbon skeleton containing from 2 to 12 carbon atoms and having a hydroxyl group at each of both terminals thereof and at least one hydrocarbon branch bonded to said hydrocarbon skeleton in an inert hydrocarbon solvent at an (a) to (b) molar ratio of from 1:0.5 to 1:1.4 and (B) at least one organoaluminum compound represented by formula:R'.sub.n AlX'.sub.3-nwherein R' represents a hydrocarbon group X' represents a halogen atom; and n represents a real number more than 0 and less than 3.Type: GrantFiled: March 27, 1991Date of Patent: June 16, 1992Assignee: Sumitomo Chemical Co., Ltd.Inventors: Hayato Saba, Keisaku Yamamoto, Akio Imai, Kiyoyuki Sugimori, Kizuku Wakatsuki
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Patent number: 5109082Abstract: In a process for producing cis-1,4-polybutadiene by polymerizing 1,3-butadiene in an inert organic solvent in the presence of a catalyst comprising a halogen-containing organoaluminum compound, a transition metal compound and water, the improvement wherein a necessary amount of water is passed through a porous filter having a pore diameter of 5 microns or less, and then dispersed in the inert organic solvent or an inert organic solvent of 1,3-butadiene.Type: GrantFiled: July 25, 1991Date of Patent: April 28, 1992Assignee: Nippon Zeon Co., Ltd.Inventors: Teruhiko Matsuda, Terutaka Yao, Yasunori Mihara, Nobuhide Hada
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Patent number: 5106927Abstract: A process for the production of EPDM comprising reacting ethylene, propylene, ethylidene norbornene, and hydrogen, in the gas phase, in a fluidized bed, under polymerization conditions, in the presence of a catalyst system comprising:(a) a titanium based catalyst having the formula Mg.sub.a Ti(OR).sub.b X.sub.c (ED).sub.d whereinR is an aliphatic or aromatic hydrocarbon radical having 1 to 14 carbon atoms or COR' wherein R' is an aliphatic or aromatic hydrocarbon radical having 1 to 14 carbon atoms;each OR group is alike or different;each X is independently chlorine, bromine, or iodineED is an electron donora is 0.5 to 56;b is 0, 1, or 2;c is 2 to 116; andd is greater than 1.5 a+2;(b) at least one modifier having the formula BX.sub.3 or AlR.sub.(3-b) X.sub.Type: GrantFiled: September 11, 1989Date of Patent: April 21, 1992Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Mahmoud R. Rifi, Kiu H. Lee, Mark J. Kriss, Han-Tai Liu
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Patent number: H1254Abstract: It is herein disclosed, a process for polymerizing butene-1 into homopolymers and copolymers, using a catalyst system containing titanium trichloride, diethylaluminum chloride, and a substituted phenol in specified molar proportions. It is further disclosed, products made by the inventive process, and articles of manufacture made from these products.Type: GrantFiled: April 17, 1992Date of Patent: November 2, 1993Assignee: Shell Oil CompanyInventor: Simon Mostert