Nitrogen Bonded Directly To The Aluminum Patents (Class 556/176)
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Patent number: 6020511Abstract: A method of forming a film on a substrate using, Group III metal complexes, including Group IIIA metals and Group IIIB metals, which include the lanthanides. The complexes and methods are particularly suitable for the preparation of semiconductor structures using chemical vapor deposition techniques and systems.Type: GrantFiled: August 25, 1998Date of Patent: February 1, 2000Assignee: Micron Technology, Inc.Inventors: Brian A. Vaartstra, Brenda D. Wanner
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Patent number: 5908947Abstract: Improved precursors for use in chemical vapor deposition of thin films of low-valent metals are provided, which are sterically saturated and protected from attack of the coreactant in the gas phase. Specific precursors have the formulae:(L).sub.x M.sup.n+ (N(R.sup.1)(C(R.sup.2 R.sup.3)).sub.y N(R.sup.4 R.sup.5)).sub.z (I)(L).sub.x M.sup.n+ (N(R.sup.1)(C(R.sup.2 R.sup.3)).sub.y O(R.sup.4)).sub.z(II)(L).sub.x M.sup.n+ (N(R.sup.1)(C(R.sup.2 R.sup.3)).sub.y S(R.sup.4)).sub.z(III)wherein L is an auxiliary ligand; x is 0-6; M is a metal of valence 1 to 5; n is the oxidation state of the metal; R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are hydrogen or (C.sub.1 -C.sub.12) alkyl groups; y is 1-5, z is 1-n.Type: GrantFiled: August 21, 1997Date of Patent: June 1, 1999Assignee: Micron Technology, Inc.Inventor: Brian A. Vaartstra
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Patent number: 5880303Abstract: This invention provides volatile, intramolecularly coordinated amido/amine alane complexes, H.sub.2 Al{(R.sup.1)(R.sup.2)NC.sub.2 H.sub.4 NR.sup.3 }, wherein R.sup.1, R.sup.2 and R.sup.3 are each independently H or C.sub.1 -C.sub.3 alkyl. These aluminum complexes show extremely high thermal stability and deposit high-quality aluminum films at low temperatures. They are capable of selectively depositing aluminum films on metallic or other electrically conductive substrates with wide process window.Type: GrantFiled: October 3, 1997Date of Patent: March 9, 1999Inventor: Hyungsoo Choi
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Patent number: 5834058Abstract: Novel organometallic complexes of aluminium, gallium and indium are disclosed, having improved stability and volatility for use in CVD processes. These are donor ligand complexes of the formula MR.sub.2 L where M is the metal, R is an alkyl group and L is a ligand containing an amidine (R'N. . . C(R'). . . NR') group, where R' is H, alkyl etc.Type: GrantFiled: April 4, 1996Date of Patent: November 10, 1998Assignee: The Associated Octel Company LimitedInventors: Malcolm G. H. Wallbridge, Nicholas C. Blacker, Paul R. Phillips, James Barker
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Patent number: 5777120Abstract: Aluminum amidinate compounds of the formula ##STR1## wherein R.sup., R.sup.2, and R.sup.3 are selected from the group consisting of C.sub.1 to C.sub.50 alkyl, aryl, and silyl groups, X is an anionic ligand, preferably a hydrocarbyl, n=0 or 1, L, if present, is a labile Lewis base ligand, preferably having an oxygen, nitrogen, or phosphorus atom donating a lone pair of electrons to the aluminum center, and A.sup.- is an anion which balances the charge of the aluminum cation and only weakly if at all coordinates to the aluminum center and preferably contains boron, are disclosed. These compounds are useful as olefin polymerization catalysts without the need for cocatalysts or transition metal species.Type: GrantFiled: March 14, 1997Date of Patent: July 7, 1998Assignee: University of Iowa Research FoundationInventors: Richard F. Jordan, Martyn P. Coles
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Patent number: 5675028Abstract: There are disclosed bisamido azides of gallium (Ga), aluminum (Al), or Indium (In) which when pyrolized in accordance with the invention, produce metal nitride films on a substrate. A representative example of a bisamido azide is bisdimethylamidogallium azide, (CH.sub.3)N).sub.2 GaN.sub.3.Type: GrantFiled: August 29, 1995Date of Patent: October 7, 1997Assignee: Board of Regents, The University of Texas SystemInventors: Deborah Ann Neumayer, Vikas Lakhotia
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Patent number: 5552547Abstract: A new class of organometallic complexes with built-in fluorescent dye for use in electroluminescent (EL) devices and a method of preparation are disclosed. An organometallic complex with built-in fluorescent dye as guest dopant is introduced into an organic EL device by thoroughly pre-mixing it with a host organometallic emitter in a certain ratio and co-depositing it from a single source. The organometallic complex with built-in fluorescent dye determines the emission color of the EL device.Type: GrantFiled: February 13, 1995Date of Patent: September 3, 1996Inventor: Song Q. Shi
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Patent number: 5532373Abstract: An aluminate complex represented by formula (I): ##STR1## with the groups in the aluminate complex as defined in the specification, and which is capable of radical generation upon photoexcitation; a photopolymerizable composition comprising an ethylenically unsaturated polymerizable compound and the aluminate complex; and an image-forming material comprising a support, an organoaluminum compound anion represented by formula (I'): ##STR2## with the groups in the organoaluminum compound anion as defined in the specification, and a photobleachable dye; are disclosed.Type: GrantFiled: September 22, 1994Date of Patent: July 2, 1996Assignee: Fuji Photo Film Co., Ltd.Inventors: Hirotaka Matsumoto, Jun Yamaguchi, Naoto Yanagihara, Hisashi Yamamoto
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Patent number: 5481039Abstract: Compositions comprisinga) a functional liquid or an internal combustion engine fuel andb) at least one compound of the general formula I ##STR1## wherein R.sub.1 is --(CH.sub.2 --X).sub.n R, where X=--S-- or --O--, n=0 or 1 to 18 carbon atoms, a phenyl group, a phenyl group which is substituted by at least one C.sub.1 -C.sub.18 alkyl group, a phenyl-C.sub.1 -C.sub.4 alkyl group or a phenyl-C.sub.1 -C.sub.4 alkyl group which is substituted by at least one C.sub.1 -C.sub.4 alkyl group, or R.sub.1 is an alkyl group of 1 to 18 carbon atoms which is substituted by at least one OH group, or R.sub.1 is a ##STR2## group in which the alkyl moiety contains 1 to 18 carbon atoms, and R.sub.2 and R.sub.3 are the same or different and are --H or, independently of R.sub.1, have the same meanings as R.sub.1, and M is B, Al, Fe, Cr, Sb or Bi, or M is a group M'--R' or a group M'--OR", where M' is Ti, Zr or Sn, and R' and R" is C.sub.1 -C.sub.18 alkyl or R' is ##STR3## wherein M' is defined above, and R.sub.1 ', R.sub.Type: GrantFiled: October 21, 1994Date of Patent: January 2, 1996Assignee: Ciba-Geigy Corp.Inventors: Hermann O. Wirth, Hans-Helmut Friedrich
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Patent number: 5455322Abstract: This invention provides a process for manufacturing aluminum-nitrogen polymers (i.e., polymers having a backbone of alternating aluminum and nitrogen atoms) in which portions of the polymer have an organic substituent on each aluminum and nitrogen atom. The novel polymers so produced are useful for making green shapes pyrolyzable to AlN articles suitable for high performance applications. The process generally comprises reacting an organic nitrile having the formula R.sup.1 CN with a trialkylaluminum compound having the formula R.sup.2 R.sup.3 R.sup.4 Al, and optionally heating the reaction product, to form an organoaluminum imine, and heating the organoaluminum imine to a temperature of at least 300.degree. C. and less than 600.degree. C. for at least two hours to form an aluminum-nitrogen polymer. The polymer or the imine can be pyrolyzed to form an aluminum nitride ceramic article. In the foregoing formulae, R.sup.Type: GrantFiled: July 13, 1994Date of Patent: October 3, 1995Assignee: Lanxide Technology Company, LPInventor: James A. Jensen
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Patent number: 5412131Abstract: Novel tertiary amine-aluminoxane halide derivatives are disclosed along with olefin polymerization catalyst and polymerization processes using such derivatives in combination with metallocenes.Type: GrantFiled: July 9, 1993Date of Patent: May 2, 1995Assignee: Albemarle CorporationInventor: Samuel A. Sangokoya
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Patent number: 5371260Abstract: Novel primary and secondary amino-aluminoxane derivatives are prepared by reacting an aluminoxane and a primary or secondary amine in an organic solvent, heating the reaction mixture to form a homogeneous solution and filtering the solution.Type: GrantFiled: January 10, 1994Date of Patent: December 6, 1994Assignee: Albemarle CorporationInventor: Samuel A. Sangokoya
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Patent number: 5344948Abstract: Neutral single-source molecular organic precursors containing tetradentate tripodal chelating ligands are provided that are useful for the preparation of films using chemical vapor deposition. These complexes can be generally represented by the formula ##STR1## wherein "M" is selected from the group consisting of a lanthanide, an actinide, a Group IIIA metal, a Group IIIA metalloid, a Group IVA metal, a Group IVA metalloid, a Group VA metal, a Group VA metalloid, a Group IIIB metal, a Group IVB metal, a Group VB metal, a Group VIB metal, a Group VIIB metal, and a Group VIIIB metal. The ligand "Z" can be present or absent, i.e., k=0-1, and is selected from the group consisting of hydrogen, halide, and a group bonded to "M" through N, O, P, S, As, Si, or C. In the tetradentate tripodal chelating ligand "E.sub.c " is N, P, or As, and m=0-1. When "E.sub.t " is N, P, or As, m=1, and when "E.sub.t " is O, S, or Se, m=0. Each "R.sup.1 " is independently selected from the group consisting of hydrogen, (C.sub.1 -C.Type: GrantFiled: July 10, 1992Date of Patent: September 6, 1994Assignee: Iowa State University Research Foundation, Inc.Inventor: John G. Verkade
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Patent number: 5273686Abstract: Organic-solvent soluble magnesium hydrides or formulas ##STR1## are prepared by catalytically hydrogenating finely powdered magnesium, optionally in the presence of a magnesium halide, in an organic solvent in the presence of their MgH.sub.2 -free counterparts in whichQ is an alkyl, alkenyl, alkoxy, dialkylamino, aralkyl, aryl or diarylamino group, each with up to 18 carbon atoms,R is an alkenyl, aralkyl or aryl group, each with up to 18 carbon atoms,X is chlorine, bromine, or iodine, ##STR2## is a chelating ligand, E is --CH.sub.2, --N(R)-- or --O--,is an alkylene radical of the formula --(CH.sub.2).sub.p,D is a dialkylamino, diarylamino or alkoxy group, each with up to 18 carbon atoms,M is aluminum or boron,m is 1, 2, or 3, and1<n.ltoreq.50.Type: GrantFiled: August 28, 1991Date of Patent: December 28, 1993Assignee: Studiengesellschaft Kohle mbHInventors: Borislav Bogdanovic, Manfred Schwickardi
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Patent number: 5191099Abstract: This invention provides essentially pure dimethylethylamine alane, which is useful for the chemical vapor deposition of thin films of aluminum.Type: GrantFiled: September 5, 1991Date of Patent: March 2, 1993Assignee: Regents of the University of MinnesotaInventors: Wayne L. Gladfelter, Everett C. Phillips
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Patent number: 5164263Abstract: Methods are described for preparing aluminum nitride of controllable morphology for ceramic and heat conduction applications. The methods comprise forming spherical particles or flakes of an intermediate, RAlNH, followed by heating the spheres or flakes of RAlNH at elevated temperatures to produce high purity aluminum nitride of corresponding morphology. Spheres of RAlNH are formed by (i) freezing a suspension of RAlNH in a liquid medium and thawing, by (ii) aging the suspension, or by (iii) dissolving RAlNH in a liquid medium and precipitating it. Flakes are formed by freezing a suspension of RAlNH in a liquid medium and removing frozen medium from the frozen suspension.Type: GrantFiled: December 21, 1989Date of Patent: November 17, 1992Assignee: E. I. Du Pont de Nemours & Co.Inventors: John D. Bolt, Walter Mahler, Frederick N. Tebbe, Robert J. Young, Jr.
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Patent number: 5141676Abstract: Organic-solvent soluble magnesium hydrides of the formulas(MgH.sub.2).sub.n. MgQ.sub.2 (II)(MgH.sub.2).sub.n. RMgX (III) ##STR1## are prepared by catalytically hydrogenating finely powdered magnesium, optionally in the presence of a magnesium halide, in an organic solvent in the presence of their MgH.sub.2 -free counterparts in whichQ is an alkyl, alkenyl, alkoxy, dialkylamino, aralkyl, aryl or diarylamino group, each with up to 18 carbon atoms,R is an alkenyl, aralkyl or aryl group, each with up to 18 carbon atoms,X is chlorine, bromine, or iodine,--E D.fwdarw. is a chelating ligand,E is --CH.sub.2, --N(R)-- or --O--,is an alkylene radical of the formula --(CH.sub.2).sub.p,D is a dialkylamino, diarylamino or alkoxy group, each with up to 19 carbon atoms,M is aluminum or boron,m is 1, 2, or 3, and1<n.ltoreq.50.Type: GrantFiled: April 17, 1991Date of Patent: August 25, 1992Assignee: Studiengesellschaft Kohle mbHInventors: Borislav Bogdanovic, Manfred Schwickardi
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Patent number: 5136046Abstract: Tertiary amine alanes are produced by reacting sodium aluminum hydride and magnesium dichloride. A tertiary amine is admixed to extract the tertiary amine alane. Stoichiometric ratios of sodium aluminum hydride to magnesium dichloride can be varied to effect the magnesium compound by-product produced.Type: GrantFiled: September 28, 1990Date of Patent: August 4, 1992Assignee: Ethyl CorporationInventors: Won S. Park, Everett M. Marlett
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Patent number: 5091536Abstract: Organic-solvent soluble magnesium hydrides of the formulas ##STR1## are prepared by catalytically hydrogenating finely powdered magnesium, optionally in the presence of a magnesium halide, in an organic solvent in the presence of their MgH.sub.2 -free counterparts in whichQ is an alkyl, alkenyl, alkoxy, dialkylamide, aralkyl, aryl or diarylamide group, each with up to 18 carbon atoms,R is an alkenyl, aralkyl or aryl group, each with up to 18 carbon atoms,X is chlorine, bromine, or iodine,--E D.fwdarw. is a chelating ligand,E is --CH.sub.2, --N(R)-- or --O--,is an alkylene radical of the formula --(CH.sub.2).sub.p,D is a dialkylamide, diarylamide or alkoxy group, each with up to 18 carbon atoms,M is aluminum or boron,m is 1, 2, or 3, and1<n.ltoreq.50.Type: GrantFiled: February 9, 1988Date of Patent: February 25, 1992Assignee: Studiengesellschaft Kohle mbhInventors: Borislav Bogdanovic, Manfred Schwickardi
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Patent number: 5089643Abstract: Preparation of the novel monomeric compounds of the formula (t-Bu).sub.2 t-Bu).sub.2, where M is Ga, Al, or In and E is As, P, Sb, or N, by reaction of (t-Bu).sub.2 MCl and LiE(t-Bu).sub.2. The resulting product (t-Bu).sub.2 ME(t-Bu).sub.2 can be pyrolyzed to form crystalline films of the metallic material, ME.Type: GrantFiled: April 29, 1991Date of Patent: February 18, 1992Assignee: The United States of America as represented by the Secretary of the NavyInventor: Kelvin T. Higa
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Patent number: 5075466Abstract: Preparation of the novel monomeric compounds of the formula (t-Bu).sub.2 t-Bu).sub.2, where M is Ga, Al, or In and E is As, P, Sb, or N, by reaction of (t-Bu).sub.2 MCl and LiE(t-Bu).sub.2. The resulting product (t-Bu).sub.2 ME(t-Bu).sub.2 can be pyrolyzed to form crystalline films of the metallic material, ME.Type: GrantFiled: April 29, 1991Date of Patent: December 24, 1991Assignee: The United States of America as represented by the Secretary of the NavyInventor: Kelvin T. Higa
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Patent number: 5068370Abstract: Preparation of the novel monomeric compounds of the formula (t-Bu).sub.2 ME(t-Bu).sub.2, where M is Ga, Al, or In and E is As, P, Sb, or N, by reaction of (t-Bu).sub.2 MCl and LiE(t-Bu).sub.2. The resulting product (t-Bu).sub.2 ME(t-Bu).sub.2 can be pyrolyzed to form crystalline films of the metallic material, ME.Type: GrantFiled: June 8, 1990Date of Patent: November 26, 1991Assignee: The United States of America as represented by the Secretary of the NavyInventor: Kelvin T. Higa
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Patent number: 5023213Abstract: A process for making ammonolytic precursors to nitride and carbonitride ceramics. Extreme reaction conditions are not required and the precursor is a powder-like substance that produces ceramics of improved purity and morphology upon pyrolysis.Type: GrantFiled: December 9, 1986Date of Patent: June 11, 1991Assignee: United States Department of EnergyInventor: Leon Maya
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Patent number: 5003092Abstract: Cyclopentadienyl compounds of aluminum, gallium and indium which when reacted at low temperature with amines, phosphines and arsines form compounds which are potential precursors to ceramic materials and semiconductors.Type: GrantFiled: June 2, 1989Date of Patent: March 26, 1991Assignee: The Research Foundation of State University of NYInventor: Orville T. Beachley, Jr.
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Patent number: 4965211Abstract: Species-linked diamine triacetic acids of the formula ##STR1## wherein T is an organic species containing at least one amine, hydroxyl, or thiol functional group, L is the residue of at least one of those functional groups and R is a two or more atom long covalent bridge, are disclosed. Methods for their preparation, for the preparation of metal chelates from them and for the use of the chelates are also disclosed. In a preferred embodiment, the metal ions employed in the formation of the chelates are rare earth metal ions capable of forming fluorescent chelates which can in turn be employed in fluoroassay techniques.Type: GrantFiled: November 9, 1983Date of Patent: October 23, 1990Assignee: Irwin WiederInventors: Irwin Wieder, Robert H. Wollenberg
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Patent number: 4957726Abstract: Lithium aluminum hydride reacts with a tertiary amine to produce an amine alane and Li.sub.3 AlH.sub.6. Lithium values are recycled by reacting Li.sub.3 AlH.sub.6 with aluminum and hydrogen to produce LiAlH.sub.4. Since no metal halide by-product is produced in the first step, it has an advantage over other routes. The amine alane can react with SiF.sub.4 to produce silane and AlF.sub.3.Type: GrantFiled: April 12, 1989Date of Patent: September 18, 1990Assignee: Ethyl CorporationInventors: Everett M. Marlett, Arcelio J. Malcolm, Won S. Park
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Patent number: 4927616Abstract: A process is provided wherein tertiary ammonium trichlorosilyl, a complexing tertiary amine, and an alkali metal aluminum tetrahydride are reacted together in molar proportion of about 1:2:3, such that silane and tertiary amine alane are produced. Tertiary ammonium trichlorosilyl may be pre-formed or formed in situ by the reaction of trichlorosilane and tertiary amine. Yields are dramatically higher when the process is conducted in the presence of a tris(polyalkoxyalkyl)amine phase transfer catalyst.A sequential process is also provided for the preparation of silane and aluminum trifluoride. In the first part of this sequence, silane and tertiary amine alane are produced as described above. In the second part of the sequence, silicon tetrafluoride is reacted with the amine alane, producing additional silane and aluminum trifluoride.Type: GrantFiled: October 2, 1989Date of Patent: May 22, 1990Assignee: Ethyl CorporationInventor: Everett M. Marlett
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Patent number: 4908197Abstract: Methods are described for preparing aluminum nitride of controllable morphology for ceramic and heat conduction applications. The methods comprise forming spherical particles or flakes of an intermediate, RA1NH, followed by heating the spheres or flakes of RA1NH at elevated temperatures to produce high purity aluminum nitride of corresponding morphology. Spheres of RA1NH are formed by (i) freezing a suspension of RA1NH in a liquid medium and thawing, by (ii) aging the suspension, or by (iii) dissolving RA1NH in a liquid medium and precipitating it. Flakes are formed by freezing a suspension of RAINH in a liquid medium and removing frozen medium from the frozen suspension.Type: GrantFiled: April 7, 1989Date of Patent: March 13, 1990Assignee: E. I. Du Pont de Nemours and CompanyInventors: John D. Bolt, Walter Mahler, Frederick N. Tebbe, Robert J. Young, Jr.
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Patent number: 4900856Abstract: A process for the preparation of an amine complex of an aluminum trihalide which comprises reacting aluminum with an amine hydrohalide. The process can be extended to the use of other metals besides aluminum, e.g. magnesium, zinc, or iron.Type: GrantFiled: May 26, 1988Date of Patent: February 13, 1990Assignee: Ethyl CorporationInventor: Everett M. Marlett
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Patent number: 4865830Abstract: Admixing an aluminum alkyl, and optionally a boron compound, with a hydride of nitrogen in the gas phase and maintaining a gas phase temperature, optionally in the presence of a carrier gas, and producing aluminum nitride alone or in admixture with a precursor thereof or boron nitride or both.Type: GrantFiled: January 27, 1988Date of Patent: September 12, 1989Assignee: E. I. Du Pont de Nemours and CompanyInventors: Ulrich Klabunde, Edward J. Newitt, Frederick N. Tebbe
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Patent number: 4816594Abstract: The present invention relates to aluminate coupling agents, their synthesis and applications. Metallic aluminum is reacted with lower alcohols, then reacted with selected longer chain alcohols, phenols, carboxylic acids etc., satisfied the coordination number of aluminum to give aluminate coupling agents having good hydrolytic stability and lower associativity. They can be used directly as typical coupling agents in processing of composition products such as plastics, rubber, coatings and laminates etc., and as adhesive promoter or primer to treat fillers, pigments and various materials in order to improve the processing and the quality of products, to increase the dosage of filler, to develop new products, to reduce energy consuming and cost of products.Type: GrantFiled: April 11, 1986Date of Patent: March 28, 1989Assignee: Fujian Teachers UniversityInventors: Zhang Wengong, Chen Wending, Chen Tianan
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Patent number: 4766230Abstract: The arylaminoaluminums, well adopted as catalysts for the ortho-alkylation of aromatic amines with an olefin, are facilely prepared by reacting at least one aromatic amine with metallic aluminum in the presence of a catalytically effective amount of iodine, or precursor compound thereof which generates elemental iodine under the conditions of reaction.Type: GrantFiled: October 16, 1986Date of Patent: August 23, 1988Assignee: Rhone-Poulenc Chimie de BaseInventor: Bernard Besson
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Patent number: 4757154Abstract: Process for the preparation of silane and a tertiary amine alane, said process comprising reacting:(a) an alkali metal aluminum tetrahydride having the formula MAlH.sub.4, wherein M is an alkali metal selected from the class consisting of lithium, sodium and potassium,(b) silicon tetrachloride, and(c) a complexing tertiary amine, such that the molar proportion of (a) to (b) to (c) is about 4:1:4.In this process, NaAlH.sub.4 and triethylamine are preferred reactants. The amine alane product can be reacted with additional silicon halide to prepare additional silane. This step can be conducted utilizing amine alane in the reaction mixture produced by the process above, and is preferably conducted using SiF.sub.4 as the silicon tetrahalide to produce AlF.sub.3 as a co-product. Both AlF.sub.3 and silane are valuable articles of commerce.Type: GrantFiled: November 4, 1986Date of Patent: July 12, 1988Assignee: Ethyl CorporationInventors: Everett M. Marlett, Frederick W. Frey
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Patent number: 4748260Abstract: Process for the preparation of silane and a tertiary amine alane, said process comprising reacting about equimolar amounts of:(a) an alkali metal aluminum tetrahydride having the formula MAlH.sub.4, wherein M is an alkali metal selected from the class consisting of lithium, sodium and potassium,(b) a hydrogen halide, and(c) a complexing tertiary amine.In this process, NaAlH.sub.4, HCl, and (C.sub.2 H.sub.5).sub.3 N are preferred reactants. The amine alane product can be reacted with a silicon halide to prepare silane.Type: GrantFiled: December 22, 1986Date of Patent: May 31, 1988Assignee: Ethyl CorporationInventor: Everett M. Marlett
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Patent number: 4746501Abstract: A process for making ammonolytic precursors to nitride and carbonitride ceramics. Extreme reaction conditions are not required and the precursor is a powder-like substance that produces ceramics of improved purity and morphology upon pyrolysis.Type: GrantFiled: August 6, 1987Date of Patent: May 24, 1988Assignee: United States Department of EnergyInventor: Leon Maya
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Patent number: 4665207Abstract: A process for producing complexes of alane and tertiary amines. Sodium aluminum tetrahydride is reacted with sodium aluminum tetrachloride in the presence of a tertiary amine in an aromatic hydrocarbon reaction medium that is not a solvent for either of the reactants. The tertiary amine alane reaction products are typically soluble in the hydrocarbon reaction medium and readily recoverable.Type: GrantFiled: October 2, 1985Date of Patent: May 12, 1987Assignee: Ethyl CorporationInventor: Everett M. Marlett