Abstract: A fragrance releasing siloxane comprising a substituent having the formula (R1O)a(R2O)b(R3O)c(R4O)d(R5O)eSiRU with RU a two to forty atom divalent hydrocarbon radical where R1O, R2O and R3O are each independently fragrant alkoxide moieties, derived from the alcohols R1OH, R2OH and R3OH wherein R1OH, R2OH and R3OH are independently fragrant alcohols with R4 and R5 selected from the group consisting of monovalent hydrocarbon radicals having from one to forty carbon atoms and monovalent alkoxy radicals having from one to forty carbon atoms, where the subscript a has a value ranging from 1 to 3 and the subscripts b, c, d, and e have values ranging from 0 to 2 subject to the limitation that a+b+c+d+e=3.

Abstract: A water-soluble compound suitable for coating a variety of substrates is disclosed. The compound is prepared by reacting a diisocyanate with a diamino alkoxysilane, optionally also with a nonionic hydrophilic compound. Suitable substrates include oxides in solid form, glass, mineral and wood.

Abstract: A process is disclosed for preparing linear hydroxy end-terminated linear siloxanes comprising the steps of; a) mixing chlorosiloxanes having the formula ClR2SiO(R12SiO)xSiR2Cl  where x is an integer having a value from 1-10, each R and R1 is an independently selected monovalent hydrocarbon group, with volatile methyl siloxanes to form a solution of chlorosiloxanes in volatile methyl siloxanes; b) hydrolyzing the solution of chlorosiloxanes in volatile methyl siloxanes to form a hydrolysis mixture of reaction products; c) separating the hydrolysis mixture of reaction products into an aqueous phase and a siloxane phase comprising hydroxy end-terminated linear siloxanes and volatile methyl siloxanes; and d) recovering the hydroxy end-terminated linear siloxanes from the siloxane phase.

Abstract: The invention relates to novel targeting drug agents that are targeted for entry into the mitochondria. More specifically, the agents are cisplatin derivatives called mitoplatins which are useful as anti-tumor agents. Mitoplatins are named for their targeting to the mitochondrial DNA via the carnitine-acylcarnitine translocase system. The invention also relates to methods of synthesizing mitoplatins, compositions of matter containing mitoplatins and methods of using the mitoplatins.

Abstract: This invention relates to composition of matter of certain euganol functionalized silicone polymers useful to make substantive antimicrobial agents. These compounds allow for the topical delivery of euganol to the skin surface, where it has a variety of desirable effects.

Abstract: Coatings are provided with very low surface energies provided by fluorine and/or silicone moieties. Aqueous dispersions of externally chain extended polyurethane compositions terminated by hydrolyzable and/or hydrolyzed silyl groups and containing dispersing or emulsifying groups, particularly carboxyl groups are provided. Also polyurethane dispersions which are substantially organic solvent free which cure to water and solvent resistant, tough, scratch resistant, preferably light stable polyurethane films are provided. Such films are useful as anti-fouling marine coatings. The compound RfR′fCFCOOCH2C(R)(CH2OH)2 is provided.

Abstract: Silane compounds as a constituent material of luminescent device are described, which are represented by formula (1), luminescent device materials which comprise said compounds and luminescent devices which comprise said materials to acquire high luminous efficiency and high durability: wherein R1 represents an alkyl group, an aryl group, a heteroaryl group or an alkynyl group, and each of Ar11, Ar12 and Ar13 represents a heteroaryl group.

Abstract: N-substituted-&ohgr;-(alkoxysilanes) of formula (I) wherein: R1 is a C12-C30 alkyl or alkenyl group that is straight-chained or branched, a C5-C40 aryl group, a C5-C40 aralkyl group or a group R5A(CH2)p wherein R5 is a C6-C30 alkyl or alkenyl group that is straight-chained or branched, p is an integer from 2 to 6 and A is O or NH; R2 is a C1-C12 alkyl group (preferably a C1-C5 alkyl group) or a C3-C12 alkenyl group (preferably a C3-C5 alkenyl group); R3 is a C1-C12 alkyl group (preferably a C1-C5 alkyl group), a C1-C12 alkoxy group (preferably A C1-C5 alkoxy group), a C2-C12 alkenyl group (preferably a C2-C5 alkenyl group) or a C3-C12 alkenyloxy group (preferably a C3-C5 alkenyloxy group); R4 has the same definition as R3 and may be the same as R4 or different; R6 is a divalent alkylene group having up to 10 carbon atoms and is optionally interrupted one, two or three times by a phenylene group; and X is an anion; and its free base are disclosed, and processes for their preparation.

Abstract: An organic copper compound is provided that is represented by the following formula (1) in which monovalent copper is coordinated with a &bgr;-diketone compound and an unsaturated hydrocarbon compound having a silyloxy group: wherein R Is an unsaturated hydrocarbon moiety, L is the &bgr;-diketone compound, X1, X2, and X3 are each a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, and X1, X2, and X3 may be the same or different from each other. The organic copper compound is barely decomposed in a stock solution before use, has a prolonged storage life, exhibits a high film deposition rate, can be effectively decomposed on a substrate, is highly volatile, and exhibits high adhesiveness to an underlayer.

Abstract: The invention relates to a process for the transition metal-catalyzed addition of SiH-containing poly-siloxanes onto olefinic compounds, wherein the catalyst used is a combination of at least two compounds of platinum metals, and also to a corresponding catalyst system.

Abstract: Silane compounds represented by formula (1), a synthesis method thereof, luminescent device materials comprising such silane compounds, and luminescent devices containing such materials: wherein each of R1 and R2 groups represents an aryl group containing no alkenyl substituent, or a heteroaryl group containing no alkenyl substituent; each of R3, R4, R5 and R6 groups represents a hydrogen atom or a substituent group; each of R7 and R8 groups represents an aryl group or a heteroaryl group; and each of Ar1 and Ar2 groups represents an arylene group or a heteroarylene group; provided that the compound represented by the formula (1) takes neither polymeric nor oligomeric form and the case is excluded therefrom wherein all or three of R1 R2, Ar1 and Ar2 groups have heteroaryl structures.

Abstract: This invention relates to a macromonomer and a method for its preparation. The macromonomer has one or more silicon-bonded hydrogen atoms at one molecular chain terminal, and one or more aliphatically unsaturated silicon-bonded organic groups at the other molecular chain terminal. This invention further relates to a method of forming a hyperbranched polymer by polymerizing the macromonomer with a group VIII metal catalyst. The hyperbranched polymers can be used as surfactants, gelling agents, drug delivery systems, and polymeric absorbents.

Abstract: The invention relates to a process for manufacturing bis-silyl ureas which consists in reacting urea and a disilazane in an aliphatic nitrile and most particularly in acetonitrile. The process of the present invention applies particularly to the manufacture of bis(trimethylsilyl)urea from urea and hexamethyldisilazane.

Abstract: The present invention discloses a technique for reacting a first liquid chemical compound with a second liquid chemical compound which comprises (1) supporting the first liquid chemical compound on a solid support; (2) subsequently bringing the solid support into contact with the second liquid chemical compound; and (3) allowing the first chemical compound to react with the second chemical compound in the presence of a phase transfer catalyst to produce a reaction product. This technique is particularly useful in the synthesis of sulfur containing organosilicon compounds of the formula Z-Alk-Sn-Alk-Z wherein Z is selected from the group consisting of wherein R1 is an alkyl group of 1 to 4 carbon atoms, cyclohexyl or phenyl; wherein R2 is an alkoxy group of 1 to 8 carbon atoms or a cycloalkoxy group of 5 to 8 carbon atoms; wherein Alk is a divalent hydrocarbon of 1 to 18 carbon atoms; and wherein n is an integer of 2 to 8.

Abstract: An industrially acceptable process for preparing 2-[tris(trimethylsilyl)silyl]ethyl (meth)acrylate in high yields involves reacting 2-[tris(trimethylsilyl)silyl]ethyl acetate with an alcohol in the presence of a catalyst to form 2-[tris(trimethylsilyl)silyl]ethanol, then reacting it with a (meth)acrylate ester.

Abstract: The siloxane compounds represented by the following formula: SiOa(OH)b(OR1)c(OR2)d wherein 1.0≦a≦1.6, 0≦b<0.3, 0.2≦c≦2.0, 0≦d≦1.4, 2a+b+c+d=4, R1 is a methyl or ethyl group, and R2 is an organic group different from R1.

Abstract: The invention relates to a process for preparing vinyl chlorosilanes, that includes thermally and non-catalytically reacting chlorosilane with vinyl chloride at a temperature of 550 to 700° C. by flowing the chlorosilane and vinyl chloride through a ring-gap space in a ring-gap reactor to produce a reaction gas; the ring-gap space having a cross-sectional area and a volume; and, after the flowing, further reacting, adiabatically, the reaction gas in a second zone to produce a hot reaction gas that contains vinylchiorosilane; wherein the second zone has a cross-sectional area that is greater than the cross-sectional area of the ring-gap space; and wherein the second zone has a volume that is in a ratio to the volume of the ring-gap space of 0.15:1 to 1.5:1. The invention also provides an apparatus for carrying out the above process.

Abstract: Dendrimers were directly and covalently attached to solid supports via siloxy bonds. After complexation with transition metals, the dendrimers were used as catalysts. The supported dendrimers were stable and easily separated from the reaction mixture.

Abstract: When oganohalosilanes are prepared by charging a reactor with a contact mass containing metallic silicon and a copper catalyst and introducing an organohalide-containing gas into the reactor to effect the direct reaction, 50-10,000 ppm of bronze phosphide is added to the contact mass. The invention is successful in efficiently producing organohalosilanes in a high STY and low T/D.

Abstract: 1,3-dihalo-1,1,3,3-tetra(organyl)disiloxanes of the general formula XR2Si—O—SiR2X  (1) are prepared by reacting hydrogen halide with the corresponding 1,3-dihydro-1,1,3,3-tetra(organyl)disiloxanes of the general formula HR2Si—O—SiR2H  (2), in which R is an alkyl or halogen substituted alkyl group and X is halogen, in the presence of a catalyst selected from transition metals of the 8th subgroup of the periodic table of the elements, or compounds or complexes of these transition metals.