Abstract: Ceric hydrocarbyl silyloxides are provided, as well as a process for preparing them, which comprises reacting ceric ammonium nitrate with a hydrocarbyl silanol, including a lower aliphatic silanol, under anhydrous conditions in the presence of an anhydrous base at a temperature within the range from about -30.degree. C. to about 200.degree. C. but preferably from 0.degree. to about 150.degree. C. until ceric hydrocarbyl silyloxide and the nitrate salt of the base are formed; the nitrates formed during the reaction can be separated from the reaction mixture and the ceric hydrocarbyl silyloxides isolated pure or as complexes with the solvent, or in some cases the ceric hydrocarbyl silyloxides can be used without separation from the reaction mixture in the presence of the nitrates.

Abstract: Alkoxy-type derivative compounds are a process for preparing alkoxy-type derivatives of trivalent Group 3b metals, e.g., cerium (III), such as alkoxides, siloxides or alkanolatoamines from an anhydrous complex of trivalent Group 3b metals, e.g. cerium ammonium nitrate complex, in the presence of an alcohol, silanol or alkanolamine and a base or by employing the complex and alkali salts of the alcohol, silanol, or alkanolamine.

Abstract: A process is provided for preparing ceric hydrocarbyl silyloxides, which comprises transetherifying a ceric alkoxide with the silanol having the desired hydrocarbyl group and the desired number of hydroxyl groups under anhydrous conditions at a temperature within the range from about -30.degree. C. to about 200.degree. C., thereby displacing the aliphatic alcohol of the alkoxide and forming the ceric hydrocarbyl silyloxide of the silanol.

Abstract: Ceric hydrocarbyl silyloxides are provided, as well as a process for preparing them, which comprises reacting ceric ammonium nitrate with a hydrocarbyl silanol, including a lower aliphatic silanol, under anhydrous conditions in the presence of an anhydrous base at a temperature within the range from about -30.degree. C. to about 200.degree. C. but preferably from 0.degree. to about 150.degree. C. until ceric hydrocarbyl silyloxide and the nitrate salt of the base are formed; the nitrates formed during the reaction can be separated from the reaction mixture and the ceric hydrocarbyl silyloxides isolated pure or as complexes with the solvent, or in some cases the ceric hydrocarbyl silyloxides can be used without separation from the reaction mixture in the presence of the nitrates.

Abstract: Described is a wood composition and a method for its preparation by treating wood with a first aqueous solution comprising one or more lanthanide derivatives, optionally rinsing with water and finally treating the wood with a second aqueous solution comprising one or more bases or one or more acid salts thereby precipitating a water-insoluble lanthanide complex within the wood. In addition, the method may be practiced by reversing the order of the treatment steps.

Abstract: Ceric hydrocarbyloxy nitrates having the general formula: ##STR1## are obtained by reaction of ceric ammonium nitrate with x moles of ammonia and an aliphatic, cycloaliphatic or aromatic alcohol having from two to twenty carbon atoms, and are useful in the preparation of ceric hydrocarbyl oxides difficult or expensive of access by other routes, and in synthesis of other organic ceric compounds.

Abstract: Described is a method of treating wood without pressure using compositions comprising aqueous solutions of one or more lanthanide derivative. Also described is a composition comprising wood and lanthanides or lanthanide derivatives.

Abstract: A process is provided for preparing colloidal dispersions of alcohol-dispersible association complexes of ceric dioxide and a hydroxyphenyl carboxylic acid having from about seven to about twenty carbon atoms in a molar ratio CeO.sub.2 /acid of at least about 6:1 which comprises:(1) mixing(a) ceric dioxide comprising ammonium nitrate or ammonium and nitrate ions in an amount within the range from about 3 to about 14% by weight of the ceric dioxide and a member selected from the group consisting of water, methanol, acetic acid and mixtures thereof in an amount usually from about 10 to about 60 g per mole of CeO.sub.2, sufficient to effect reaction with(b) a hydroxyphenyl carboxylic acid having from about seven to about twenty carbon atoms(c) an aliphatic alcohol, such as methanol, isopropanol, 2-ethoxy ethanol, etc.at a temperature within the range from room temperature to about 100.degree. C., thereby effecting dispersion of the ceric dioxide in the aliphatic alcohol.

Abstract: Described is a method of treating wood using compositions comprising an organic solution (non-aqueous solution) of one or more lanthanide derivatives. Also described is a composition comprising wood and lanthanides or lanthanide derivatives. In one embodiment, the treatment occurs under vacuum.

Abstract: Described is a composition of wood, or wood-derived matrix and one or more lanthanide elements of lanthanide element derivatives bonded to the matrix, a method of making the composition and a method of use. The composition is useful as an antifouling additive in paints.

Abstract: Described is a method of treating wood with compositions comprising aqueous solutions of one or more lanthanide derivatives, whereby the composition is contacted with the wood under vacuum.

Abstract: A method for stabilizing diesel fuel for substantially reducing precipitation by adding to the diesel fuel an organometallic compound containing derivatives of one or more trivalent rare earth elements, excluding cerium.

Abstract: A compound having the formula ##STR1## wherein R is one or more moieties selected from the group consisting of hydrogen and alkyl having from 1 to 20 carbon atoms, R.sup.2 is an alkyl group having from 1 to 20 carbon atoms, R.sup.1 is an alkyl group having from 1 to 20 carbon atoms, m is an integer from 0 to 3, y is an integer from 1 to 3, x and z are each an integer from 0 to 2, n and p are each an integer from 1 to 20, with the proviso that m+yp=4n, the sum of x, y and z is 3.

Abstract: A procedure for preparing anhydrous cerous nitrate ammonium nitrate complex comprising treating dried anhydrous ceric hexanitro ammonium complex (ceric ammonium nitrate) with a reducing agent such as ammonia whereby Ce.sup.+4 is reduced to Ce.sup.+3 under anhydrous conditions. The resulting Ce.sup.+3 species, a complex of Ce.sup.+3 nitrate and ammonia nitrate, can be used as a source of anhydrous Ce.sup.+3 ions.

Abstract: The invention is a method for pressure treatment of wood using compositions comprising aqueous solutions of one or more lanthanide derivatives. Wood is immersed in a pressure vessel containing a lanthanide derivative composition, and hydrostatic pressure is applied. The treatment is carried out at temperatures not exceeding about 95.degree. C., and more preferably at between about 20.degree. C. and about 30.degree. C. Pressure should be greater than about atmospheric, and preferably about 10 psi to about 300 psi.

Abstract: A process is provided for preparing tricyclopentadienyl cerium as well as the mono and dicyclopentadienyl cerium intermediates which comprises reacting an alkali metal cyclopentadienide with ceric ammonium nitrate, in solution in an inert organic solvent in a manner to obtain either tricyclopentadienyl cerium or to form in sequence, and stepwise, monocyclopentadienyl cerium dinitrate, dicyclopentadienyl cerium mononitrate, and tricyclopentadienyl cerium, depending upon the order of addition of the reactants.

Abstract: A process is provided for preparing ceric alkoxides, which comprises reacting ceric ammonium nitrate complexed with and in solution in ethylene or propylene glycol ether or tetrahydrofuran with an anhydrous alkali metal alkoxide at a temperature within the range from about -30.degree. C. to about 200.degree. C., preferably from 0.degree. to about 150.degree. C., until ceric alkoxide and the nitrate salt of the base are formed; the nitrate formed during the reaction is insoluble in the glycol ether and tetrahydrofuran and can be separated from the reaction mixture, and the cerium alkoxide when soluble in the glycol ether or tetrahydrofuran can be isolated from the solution pure, or as the complex with the alcohol or with the solvent, or in some cases the alkoxide can be used without separation from the reaction mixture in the presence of the nitrate.

Abstract: A process is provided for preparing colloidal dispersions of ceric dioxide in inert organic media which comprises(1) heating(a) ceric dioxide comprising ammonium nitrate or ammonium and nitrate ions in an amount within the range from about 3 to about 14% by weight of the ceric dioxide and a member selected from the group consisting of water, methanol, acetic acid and mixtures thereof in an amount usually from about 10 to about 60 g per mole of CeO.sub.2, sufficient to effect reaction with(b) an organic acid having from about ten to about forty carbon atoms(c) an organic solvent selected from the group consisting of(i) aliphatic and aromatic hydrocarbons, such as petroleum spirits, benzene, toluene, chlorobenzene, chlorotoluene, etc.(ii) aliphatic and cycloaliphatic ethers, such as isopropyl ether or dicyclohexyl ether(iii) aliphatic and cycloaliphatic ketones, such as diisobutylketone or cyclohexanoneat a temperature within the range from about 60.degree. to about 200.degree. C.

Abstract: A process is provided for preparing ceric carboxylates which comprises oxidizing cerous carboxylate with aqueous hydrogen peroxide in a two-phase system comprising an aqueous phase of hydrogen peroxide having a pH of at least 6 and an organic phase comprising a solution of cerous carboxylate in a water-immiscible hydrocarbon solvent at a temperature at which the reaction proceeds but below the temperature of rapid decomposition of hydrogen peroxide, thereby converting cerous to ceric ion and forming a solution of ceric carboxylate in the hydrocarbon solvent; heating the reaction mixture at a temperature at which any ceric-hydrogen peroxide complexes present are decomposed; and separating the organic phase containing ceric carboxylate from the aqueous phase of the reaction mixture.

Abstract: A process is provided for preparing colloidal dispersions of ceric dioxide in inert organic media which comprises(1) heating(a) ceric dioxide comprising ammonium nitrate or ammonium and nitrate ions in an amount within the range from about 3 to about 14% by weight of the ceric dioxide and a member selected from the group consisting of water, methanol, acetic acid and mixtures thereof in an amount usually from about 10 to about 60 g per mole of CeO.sub.2, sufficient to effect reaction with(b) an organic acid having from about ten to about forty carbon atoms(c) an organic solvent selected from the group consisting of(i) aliphatic and aromatic hydrocarbons, such as petroleum spirits, benzene, toluene, chlorobenzene, chlorotoluene, etc.(ii) aliphatic and cycloaliphatic ethers, such as isopropyl ether or dicyclohexyl ether(iii) aliphatic and cycloaliphatic ketones, such as diisobutylketone or cyclohexanoneat a temperature within the range from about 60 to about 200.degree. C.