Abstract: The present invention relates to a non-aqueous electrolyte additive for improving safety and a lithium secondary battery comprising the same, and more particularly to a non-aqueous electrolyte additive that can improve cycle life and safety properties of a lithium ion secondary battery.

Abstract: Gelatinous compositions of matter which are useful as polymerization catalyst components and are highly stable in terms of OH-decay rate, as well as similarly stable solid compositions of matter formed from such gelatinous compositions, are described. The gelatinous and solid compositions are formed from hydroxyaluminoxane. Also disclosed is a process comprising converting a hydroxyaluminoxane into a gelatinous composition of matter, whereby the rate of OH-decay for the composition is reduced as compared to that of the hydroxyaluminoxane. Olefin polymerization processes and catalysts formed from these novel compositions of matter also are disclosed.

Abstract: Disclosed is a catalyst component for the polymerization of olefins, which is a compound having the following structure: wherein R1 is a hydrocarbon radical having 1 to 10 carbon atoms or a halogen-containing hydrocarbon radical having 1 to 10 carbon atoms, and R2s are each a hydrogen atom, a halogen atom, a siloxy group, a lower-alkyl-substituted siloxy group or a hydrocarbon radical having 1 to 10 carbon atoms, or which is a reaction product of the following sub-components (i) and (ii): sub-component (i) which is a compound having the formula R1—B—(OH)2 in which R1 is a hydrocarbon radical having 1 to 10 carbon atoms or a halogen-containing hydrocarbon radical having 1 to 10 carbon atoms; and sub-component (ii) which is an organoaluminum compound.

Abstract: Polymerization of olefin monomers is conducted using at least one d- or f-block metal-containing olefin polymerization catalyst compound or complex and a novel methylaluminoxane composition (MAOC) which is a solid at 25° C. that has a total aluminum content of about 39 to 47 wt %. The MAOC is either free of aluminum as trimethylaluminum (TMA) or if TMA is present, not more than about 30 mole % of the total aluminum in the MAOC is TMA. In the solid state the MAOC contains no more than about 7500 ppm (wt/wt) of aromatic hydrocarbon. The cryoscopic number average molecular weight of MAOC as determined in benzene is at least about 1000 amu, and the MAOC has sufficient solubility in n-heptane at 25° C. to provide a solution containing 4 to as high as 7.5 wt % or more of dissolved aluminum. By vacuum distilling a solution of ordinary MAO in aromatic hydrocarbon long enough under proper conditions, MOAC is formed.

Abstract: Gelatinous compositions of matter which are useful as polymerization catalyst components and are highly stable in terms of OH-decay rate, as well as similarly stable solid compositions of matter formed from such gelatinous compositions, are described. The gelatinous and solid compositions are formed from hydroxyaluminoxane. Also disclosed is a process comprising converting a hydroxyaluminoxane into a gelatinous composition of matter, whereby the rate of OH-decay for the composition is reduced as compared to that of the hydroxyaluminoxane. Olefin polymerization processes and catalysts formed from these novel compositions of matter also are disclosed.

Abstract: Stabilized alumoxane solutions are provided as well as a method for producing such solutions. The method generally involves the use of metallocene catalyst component(s) that when mixed with alumoxane solutions reduce the tendency for such solutions to form gels.

Abstract: A series of emitting materials used for organic EL based on tridentate ligands are characterized as Formula 1, Formula 2 and Formula 3, where: the group O-I-N is a bidentate ligand such as 8-hydroxyquinoline and 2-(o-hydroxyphenyl)-benzoxazole, II, III are unsubstituted or substituted aryl groups. The substituted groups can have 1-8 carbon atoms, halogen, cyano, amino, amido, sulfonyl, carbonyl, aryl, or heteroalkyl groups. The ligand including II and III is a tridentate ligand with three chelate atoms: two oxygen atoms and one nitrogen atom. The central metal atoms can be trivalent or tetravalent atoms such as Al, In, Ga, Tl, and Sn. These materials can be used as emitting materials or electronic transport materials in organic EL devices.

Abstract: An organometallic compound suitable for use as a catalyst for the preparation of an ester comprises the reaction product of an orthoester or condensed orthoester of titanium, zirconium or aluminum, an alcohol containing at least two hydroxyl groups, an organophosphorus compound containing at least one P—OH group and a base. A process for the preparation of an ester comprises carrying out an esterification reaction in the presence of the catalyst In a further embodiment the organometallic compound suitable for use as a catalyst in an esterification process comprises the reaction product of, in addition, a 2-hydroxy carboxylic acid.

Abstract: Methods of forming metal alkoxides and methods of forming precursor solutions of metal alkoxides suitable for the coating of glass in the manufacture of electrochromic devices are disclosed. The method of forming metal alkoxides involves dissolving the metal halide in an anhydrous solvent and reacting it with an alcohol and (together with the addition of the alcohol or subsequently) adding an epoxide, and then evaporating-off the volatile components of the reaction product to leave a solid metal alkoxide that is substantially free of halide. The alkoxide may then be dissolved in a solvent including an alcohol (preferably ethanol) containing a small proportion of water to produce a precursor solution suitable for coating glass, the coating then being hydrolyzed to form a sol-gel and then baked to remove volatile components and to yield a thin layer of metal oxide.

Abstract: Aluminum salts of alkylhydroxymethylphosphinic acids are prepared by reacting phosphonous acids with aluminum hydroxide or paraformaldehyde or trioxane or mixtures thereof in water at 110 to 250° C. under pressure. The resulting aluminumphosphinates are incorporated into polymers, in particular into polyesters, and have a flame retardant action therein.

Abstract: A composition comprising a mixture of aluminum containing Lewis acids said mixture corresponding to the formula: (Arf3Al)(AlQ13)y(—AlQ2—O—)z where; Arf is a fluorinated aromatic hydrocarbyl moiety of from 6 to 30 carbon atoms; Q1 is C1-20 alkyl; Q2 is C1-20 hydrocarbyl, optionally substituted with one or more groups which independently each occurrence are hydrocarbyloxy, hydrocarbylsiloxy, hydrocarbylsilylamino, di(hydrocarbylsilyl)amino, hydrocarbylamino, di(hydrocarbyl)amino, di(hydrocarbyl)phosphino, or hydrocarbylsulfido groups having from 1 to 20 atoms other than hydrogen, or, optionally, two or more Q2 groups may be covalently linked with each other to form one or more fused rings or ring systems; y is a number from 0 to 1.0; z is a number from 0.1 to 20; and the moieties (Arf3Al)(AlQ13)y may exist as discrete entities or dynamic exchange products.

Abstract: An aluminum compounds represented by the following general formula (1): Al(R1—SO3)1(R2)m(R3)n   (1) wherein R1 is a hydrocarbon group which may be substituted, R2 is a hydrocarbon group which may be substituted, an aliphatic hydrocarbonoxy group which may be substituted, or a halogen atom, R3 is an aromatic hydrocarbonoxy group which may be substituted, and 1, m and n are independently a number of 0 to 3, with the proviso that 1+m+n equals 3, and 1 is not 0, an acid catalyst comprising the aluminum compound, and a process for producing an ester, acetal, ketal, ether or alkyl glycoside making use of the catalyst. The catalyst is suitable for use in a variety of acid-catalyzed reactions of alcohols, i.e., reactions with carbonyl compounds, such as esterification, transesterification, acetalization and ketalization, etherification, ring-opening reactions of epoxy compounds, etc.

Abstract: A low-bulk density solid aluminoxane has an average particle diameter of 210 to 10,000 &mgr;m and a bulk density of from 0.01 to 1.0 g/cc. Representative solid aluminoxanes may be prepared from polymethylaluminoxane or mixed alkyl group aluminoxanes. The solid aluminoxanes are useful as catalyst carriers. When used to support a metallocene, the combination may be used, for example, as catalyst for olefin polymerization Also disclosed is a prepolymerized catalyst having an average particle diameter of from 500 to 5,000 &mgr;m, useful for olefin polymerization. An olefin is pre-polymerized in the presence of a metallocene catalyst component and a solid low bulk-density aluminoxane and, optionally, an organoaluminum compound.

Abstract: Stabilized alumoxane solutions are provided as well as a method for producing such solutions. The method generally involves the use of metallocene catalyst component(s) that when mixed with alumoxane solutions reduce the tendency for such solutions to form gels.

Abstract: A novel organometallic compound of formula M[(.mu.-OR').sub.2 M'R.sub.2 ].sub.2 can be vaporized at a low temperature and advantageously employed in the CVD of a heterometallic oxide film of the MM'.sub.2 O.sub.4 type, wherein M is a divalent element such as Be, Mg, Zn or Cd; M' is a Group 13 element such as Al or Ga; and R and R' are each independently a C.sub.1-10 alkyl group, with the proviso that if M is Mg, M' is not Al.

Abstract: The invention relates to a catalyst composition for olefin polymerization comprising metallocene complexes and novel cocatalysts belonging to the group of perfluorinated oligoarylaluminates, oligoarylthioaluminates and oligoarylaminoaluminates. These cocatalysts are produced by two alternative synthetic methods, either by reacting alkylalumoxanes with pentafluorophenol, pentafluorothiophenol, or with pentafluoroaniline, respectively; or in two-step processes comprising first reacting trialkylaluminum compounds with said perfluorinated agents and then by reacting the products of the first step with water. Catalyst systems containing these cocatalysts and metallocene complexes are active in polymerization and copolymerization reactions of ethylene and alpha-olefins.

Abstract: A purified alkoxide from which volatile impurities causing polymerization and degradation of the alkoxide are removed to extremely low concentrations. The purified alkoxide can be obtained by distilling a crude alkoxide and stripping the distilled liquid alkoxide by applying ultrasonic vibration while passing an inert gas through the liquid alkoxide. A high quality thin insulating film excellent in flatness with few defects such as voids can be obtained by using the purified alkoxide of the present invention as a CVD material.

Abstract: Novel chiral boron and aluminum hydride complexes, compositions comprising the chiral hydride complexes, and methods for their synthesis and use are described. The novel chiral hydride complexes are of the formulas:MBH.sub.4-n-a (R*).sub.n (R').sub.a ;MBH.sub.2-b (R**) (R').sub.b ;MBH(R***);MBH(R*) (R");MAlH.sub.4-n-a (R*).sub.n (R').sub.a ;MAlH.sub.2-b (R**)(R').sub.b ;MAlH(R***); andMAlH(R*) (R"),whereinM is Na.sup.+, Li.sup.+ or K.sup.+ ;each R* is independently a monodentate chiral ligand;R** is a bidentate chiral ligand;R*** is a tridentate chiral ligand;R' is a monodentate achiral ligand;R" is a bidentate achiral ligand;n is 1-3;a is 0-2; andb is 0-1,with the proviso that n+a.ltoreq.3, and with the further proviso that when R** is S-BINOL, M is not Li.sup.+.

Abstract: Novel magnesium dialkylaluminum alkoxide derivative represented by Mg[(.mu.--OR').sub.2 AlR.sub.2 ].sub.2 wherein R and R' are each a C.sub.1-5 alkyl group and R is not the same as R', preferably magnesium dimethylaluminum isopropoxide, is easily prepared by reacting a trialkylaluminum with an alcohol or an aluminum trialkoxide to obtain a dialkylaluminum alkoxide; reacting the dialkylaluminium alkoxide with an alkali metal alkoxide to obtain an alkali metal dialkylaluminum alkoxide; and reacting the alkali metal dialkylaluminum alkoxide with a magnesium halide. The alkoxide derivative of the present invention can be vaporized at a low temperature, below 70.degree. C. and, therefore, effectively employed in the CVD process of a magnesium aluminate film.

Abstract: A process is described which comprises heating a methylalumoxane solution in an aromatic hydrocarbon solvent at a temperature of at least 35.degree. C. for at least 0.5 hour in an inert, dry atmosphere such that the resulting heat-treated composition provides, in a supported metallocene catalyst produced using the heat-treated composition, increased activity as compared to the same supported metallocene catalyst produced in the same way except for using a portion of the methylalumoxane solution that has not been heat-treated. Before the heating the methylalumoxane of the solution contains from about 5 to about 35 mole percent unreacted trimethylaluminum, and was formed by partial hydrolysis of trimethylaluminum with free water in an organic solvent.

Abstract: A novel organometallic compound of formula M[(.mu.-OR').sub.2 M'R.sub.2 ].sub.2 can be vaporized at a low temperature and advantageously employed in the CVD of a heterometallic oxide film of the MM'.sub.2 O.sub.4 type, wherein M is a divalent element such as Be, Mg, Zn or Cd; M' is a Group 13 element such as Al or Ga; and R and R' are each independently a C.sub.1-10, alkyl group, with the proviso that if M is Mg, M' is not Al.

Abstract: Novel Schiff base quinone complexes are provided. They are useful as anti-fading agents and filter dyes. The anti-fading agents are applicable to heat developable photosensitive materials, silver halide photosensitive materials, and optical recording materials.

Abstract: An organic aluminoxy compound which shows .sup.27 Al nuclear magnetic resonance spectrum (.sup.27 Al-NMR spectrum) having an A.sub.1 /A.sub.2 ratio of at most 0.1, wherein A.sub.1 is area of a region encompassed by a segment of a line which connects a local minimum point existing between a continuous curve "a" containing a peak appearing at around 150 ppm and a continuous curve "b" containing a peak appearing at around 60 ppm to the point where the above curve "b" comes into contact with the base line and also by the above curve "b" and A.sub.2 is area of a region encompassed by the above curves "a" and "b" and also by the base line; an organic aluminoxy compound containing at least 5%, expressed in terms of aluminum atom, of a portion insoluble in a mixed solvent of toluene and hexane in a ratio by volume of 2:5 at 30.degree. C. or lower; and a catalyst for producing a polymer comprising any of the above organic aluminoxy compounds and a transition metal compound.

Abstract: An aluminoxane product is prepared by reacting water which contains a stabilizing agent, such as a lithium halide, with a hydrocarbyl aluminum compound, such as tri-methylaluminum, in an organic solvent. The product has increased resistance to gel-formation therein because of the stabilizing agent dissolved in the water used in forming the reaction product.

Abstract: Catalyst compositions for the polymerization of an olefin are disclosed which comprise a neutral metallocene and, as the ionizing agent an anionic aluminum-containing complex which is a fluorinated alkoxy and/or aryloxy aluminate. The fluorinated alkoxy aluminate can be of the formula A.sup.+ (Al(OR).sub.4).sup.-, where A.sup.+ is a cation capable of reacting with the neutral metallocene to produce a cationic metallocene and a non-reacting neutral species and R is a fluorinated alkyl and/or aryl group, with a representative group for A.sup.+ being (C.sub.6 H.sub.5).sub.3 C.sup.+ and with the representative fluorinated alkoxy aluminates including ?Al(OC(Ph)(CF.sub.3).sub.2).sub.4 !.sup.-, where Ph is phenyl, and ?Al(OC(CH.sub.3)(CF.sub.3).sub.2).sub.4 !.sup.-.

Abstract: The present invention relates to a process which comprises the non-hydrolytic transformation of an aluminoxane precursor composition, comprising carbon-to-oxygen bonds which can be alkylated by an alkylaluminum moiety, into a catalytically useful aluminoxane composition. In one embodiment of this invention, the catalytically useful aluminoxane composition is a polymethylaluminoxane composition substantially free of trimethylaluminum. The intermediate precursor is formed by the reaction of a trialkylaluminum compound, or a mixture of trialkylaluminum compounds, and a compound containing a carbon-to-oxygen bond, such as an alcohol, ketone, carboxylic acid, or carbon dioxide. Either unsupported or supported polymethyl-aluminoxane compositions can be formed.

Abstract: Alumoxane, and especially methylalumoxane, which provide supported metallocene and/or transition metal catalyst compositions having increased activity are prepared by heating the alumoxane prior to placing it on the support.

Abstract: A cosmetic composition comprising a hydroxy material selected from;a) layered double hydroxides of formula[M.sub.(1-a) N.sub.a (OH).sub.2 ].sup.y+ X.sup.x-.sub.y/x.zH.sub.2 O(I)b) a hydroxy salt of formula[M'(OH).sub.(2-a') ].sup.a'+ (X.sup.x-).sub.(a'-/x).zH.sub.

Abstract: 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.

Abstract: Alkylaluminoxanes having improved catalytic activity such as when they are used in combination with metallocenes for the polymerization of alpha-olefins, are prepared by treating an organic solvent solution of an alkylaluminoxane, such as methylaluminoxane, with anhydrous lithium halide.

Abstract: 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.

Abstract: A halogenated aluminum-based cocatalyst provides a metathesis catalyst system with high activity, moisture insensitivity, and long pot lives. The cocatalyst can be employed in solution or in in-mold bulk polymerization processes.

Abstract: The object of the present invention is to prepare a dried aluminum hydroxide gel featuring excellent acid neutrizing capacity, but which is also stable.A dried aluminum hydroxide gel with a chemical composition represented by the following general formulas:(M.sub.2 O).sub.x Al.sub.2 O.sub.3 (CO.sub.2).sub.y R.sub.z.mH.sub.2 O or[(M.sub.2 O).sub.x1 (CaO).sub.x2 (MgO).sub.x3 ]Al.sub.2 O.sub.3 (CO.sub.2).sub.y R.sub.z.mH.sub.2 O(wherein M is a monovalent alkali metal and R is an organic acid with a valence of two or more. As a result of its organic acid content, the gel is stable and can have a grater aluminum content, thus improving the acid neutrizing capacity of the gel.

Abstract: Aluminum alkyls are oxidized to aluminum alkoxides using a cobalt catalyst to increase the rate of oxidation. Alcohols can be prepared by hydrolysis of the aluminum alkoxides.

Abstract: The invention relates to a process for the preparation of aluminoxanes by addition of water to a solution of trialkylaluminum in an inert solvent, characterized in that the water required for the reaction is metered via a mixing nozzle into a static mixer, in particular a jet loop reactor.

Abstract: 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.

Abstract: 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.

Abstract: There are provided hydroxamic acids, and the esters and chelates thereof having the structure ##STR1## and their use for the prevention, control or amelioration of diseases caused by phytopathogenic fungi. Further provided are compositions and methods comprising those compounds for the protection of plants from fungal infestation and disease.

Abstract: 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.

Abstract: Soluble methylaluminoxane is prepared by reacting water with a solution of an alkylaluminum compound, wherein at least about half the alkyl groups are methyl groups, in a 1:4 to 4:1 by volume aliphatic hydrocarbon/aromatic hydrocarbon solvent mixture, wherein the aliphatic hydrocarbon solvent has a lower boiling point than the aromatic hydrocarbon solvent, so as to form a product solution of methylaluminoxane in said solvent mixture along with insoluble reaction products which can be removed by filtration. The aliphatic solvent can be removed by vaporization to give a concentrated solution of aluminoxane in the aromatic solvent.

Abstract: Gel and gel forming materials are removed from methylaluminoxane by mixing an aromatic hydrocarbon solvent solution of the methylaluminoxane with an aliphatic hydrocarbon solvent and then separating the precipitated solids from the methylaluminoxane solution.

Abstract: A process for the purification of pseudo-ionone, which comprises preparing pseudo-ionone by a reaction of citral with acetone, followed by bringing the reaction medium into contact with a metal derivative and thereafter distilling the pseudo-ionone.

Abstract: Silicon and aluminum complexes having the following formula I, II or III: ##STR1## wherein x is 0 or 1, T is H or ##STR2## each R is independently selected from the group consisting of H, OH, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.2-6 alkene, C.sub.6-12 aryl, C.sub.1-6 hydroxyalkyl, C.sub.1-6 thioalkyl, C.sub.2-12 alkoxyalkyl, C.sub.3-20 heteroaromatic, and combinations thereof, wherein R may further contain one or more atoms of a non-carbon element such as Si, Ge, Sn, P, and the like; Y is a cation, and Z is a multivalent cation, are prepared by reacting silica or alumina with a diol, in the presence of a base, while removing water formed during the reaction. Methods for producing such complexes starting with silica or alumina, and methods for converting such complexes into other silicon or aluminum-containing compounds, are disclosed.

Abstract: In a process for the preparation of bis(hydroxymethyl)phosphinates of the formulaM.sup.n+ [(HOCH.sub.2).sub.2 PO.sub.2.sup.- ].sub.nin which M is Li, Na, K, Ca, Mg, Zn or Al, and n is the valency of the element concerned and has a value of 1, 2 or 3, phosphinates of the formula M.sup.n+ [H.sub.2 PO.sub.2.sup.- ].sub.n are reacted with formaldehyde, trioxane or paraformaldehyde in water in an autoclave at a temperature of from 100.degree. to 200.degree. C. under the autogenous pressure at a residence time of from 5 to 20 hours. The novel chemical substance aluminum bis(hydroxymethyl)phosphinate of the formula Al[(HOCH.sub.2).sub.2 PO.sub.2.sup.- ].sub.3 is also obtainable in this way.

Abstract: Disclosed is a crystalline compound and a method for forming the compound having a chemical composition expressed, in terms of molar ratios, by the formula:M.n[R(COOH).sub.x ]wherein M is aluminum hydroxide, n is the number of moles of organic material reacted with a mole of M, R is an organic functional group having carboxylic acid attached thereto, and x is equal to or greater than 2.

Abstract: 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.

Abstract: Aluminum alkoxides can be formed by reaction of aluminum metal and alcohol in the presence of soluble titanium (e.g., derived from a titanium carboxylate) as the catalyst for the reaction.

Abstract: A process is provided herein for preparing an organo-substituted sodium aluminum hydride by reacting sodium, aluminum, an organic compound of specific structure containing a hydroxyl group and hydrogen.In such process, an aluminum alloy is used as the aluminum.

Abstract: This invention provides a process for deacidifying paper by contacting the paper with hydrocarbon or halocarbon solutions of certain magnesium and/or zinc alkoxyalkoxides which may have been treated with carbon dioxide to yield low viscosity solutions.

Abstract: Aluminum complexes useful as cross-linking agents for coating compositions, especially high solids compositions containing an alkyd resin binder, are made by reacting a volatile oxime with a product of reaction of (1) an aluminum alcoholate or phenolate, (2) a carboxylic acid and/or .beta.-diketo compound, and (3) optionally water.