Abstract: The invention describes a process for the manufacture of a filled rubber compound with improved processability which comprises mixing in one-step a) a rubber, b) a white reinforcing filler, and c) a coupling agent of the Formula (I), wherein the general symbols are as defined in claim 1, or an oligomeric hydrolysis product of the compound of the Formula (I).

Abstract: A composition of matter comprises a polymer network, including silicon atoms and oxygen atoms, a first organic side-chain attached to at least some silicon atoms within the polymer network comprising a flexible linking group and a terminal group, the terminal group including at least one atom providing a lone pair of electrons. The composition of matter can be used to form a proton-conducting membrane. In illustrative examples, the polymer network can be an organic-inorganic hybrid network and the terminal group can includes a nitrogen-containing heterocycle.

Abstract: The present invention provides an organic/inorganic compositive dispersant and a method for producing the same. The compositive dispersant comprises a complex of inorganic clay and an organic surfactant. The compositive dispersant is produced by reacting inorganic clay with the organic surfactant in a solvent to generate a complex. The inorganic clay is layered or platelet. The organic surfactant is an anionic surfactant such as alkyl sulfates, a nonionic surfactant such as octylphenol polyethoxylate and polyoxyethylene alkyl ether, or a cationic surfactant such as fatty (C12˜C32) quaternary ammonium salts and fatty (C12˜C32) quaternary ammonium chlorides.

Abstract: Diallylic polysulfides (polysulfanes) are provided with sulfur chain lengths of 9 to 22. Also provided are bis(2-methyl-2-propenyl) polysulfides with sulfur chain lengths of 3 to 22. Also provided are 2-substituted bis(2-propenyl) polysulfides with sulfur chain lengths of 3 to 20. Also provided are the 2-cycloalken-1-yl polysulfides, 2-cyclohexen-1-yl polysulfides and 2-cyclopenten-1-yl polysulfides, with sulfur chain lengths of 3 to 20. Also provided are processes for extending the sulfur chain length of diallylic polysulfides and 2-substituted analogues thereof and allyl methyl polysulfides by bringing such compounds into contact with elemental sulfur and heating, or by mixing with molten sulfur.

Abstract: An aromatic silicon-containing compound has the formula: Ar—[X-L-SiRn(OR?)3-n]m where Ar represents an aromatic group, X represents a divalent or trivalent group; L represents a divalent linking group; R represents a hydrogen atom, an alkyl group or an aryl group; R? represents an alkyl group having 1 to 5 carbon atoms; n is an integer of from 0 to 2; and m is an integer of from 1 to 5. The aromatic silicon-containing compound can be used in electrophotographic photoreceptors, particularly in outmost protective layers of such electrophotographic photoreceptors.

Abstract: The invention relates to organosilicon compounds, and to the ways in which they can be made and used.

Abstract: At least one (poly)thio alkoxy and/or halosilane is/are prepared by reaction of at least one sulfur-containing reagent with at least one alkoxy and/or halosilane, wherein an ionic addition of a sulfur-containing reagent to an alkoxy and/or halosilane is preferably conducted with thermal and/or actinic activation; the novel polythio alkoxy and/or halosilanes of formula (III.2) thus prepared are particularly useful as coupling agents in elastomeric compositions containing a white filler of the silica type and having the formula (III.2) wherein, for example, R1.1 and R1.3=methyl and R1.2=ethoxy.

Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain hydrophilic monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. The polymeric compositions comprise polymerizable hydrophilic siloxanyl monomers.

Abstract: Dimethicone copolyol sulfosuccinate surfactant compounds having low-odor characteristics are disclosed. The low-odor dimethicone copolyol sulfosuccinate is substantially free from propionaldehyde and acid-releasable precursors of propionaldehyde, thereby substantially eliminating the cosmetically undesirable odor characteristic of conventional dimethicone copolyol sulfosuccinate surfactants. The low-odor dimethicone copolyol sulfosuccinates are suitable for use as surfactants in household or personal care products and applications.

Abstract: The invention comprises an enantioselective method of preparing a compound of formula (IV): wherein n, m, R and R1 are as defined herein. Use of the compounds of formula (IV) in a method of preparing compounds of formula (IX) and novel intermediates useful in the method are also described.

Abstract: A quaternary onium aromatic sulfonate represented by the formula: wherein each R1 independently comprises substituted or unsubstituted, aliphatic or aromatic, hydrocarbyl, carbocyclic or heterocyclic radicals, each X is selected from the group consisting of phosphorus and nitrogen; wherein “a” has a value of 0, 1 or 2, and “b” has a value of 0 or 1 with the proviso that (a+b) is equal to 1 or 2; G1 is an aromatic group; E comprises a bis(carbonyloxyalkyl) polydiorganosiloxane, a bis(carbonyloxyaryl) polydiorganosiloxane, and an ether linkage; each Y1 independently comprises hydrogen, a monovalent hydrocarbon group, alkenyl, allyl, halogen, bromine, chlorine; nitro; and OR, wherein R is a monovalent hydrocarbon group; “q” represents any integer from and including zero through the number of positions on G1 available for substitution; “t” represents an integer equal to at least one; “s” represents an integer equal to either zero or one; and “u” represents any integer including zero; with the proviso that whe

Abstract: Transesterified organosilicon compounds, including ionic organosilicon compounds and coupling agents, and aqueous-based compositions including transesterified organosilicon compounds are provided. Compositions comprising at least one transesterified organosilicon are suitable for application to various inorganic, organic and cullulosic surfaces for imparting water repellency and improved wetting. Compositions comprising transesterified organosilicon compounds exhibit reduced flammability, improved hydrolytic stability, reduced gloss and improved water repellency while maintaining reactivity with various substrates.

Abstract: A composition of matter is disclosed that comprises at least one silane coupling agent for coupling an elastomer and a filler wherein said silane comprises at least one hydrolysable group that, upon compounding said silane with said elastomer and filler, is released to yield a compound that improves downstream processability of the compounded composition or the properties of the final rubber product or both.

Abstract: Disclosed is a surface-modified carbon material obtained by subjecting a carbon material to react with a benzyne. The surface-modified carbon material has high heat stability.

Abstract: An aqueous process is described in which thiocarboxylate silane is produced from haloalkyl silane by reaction of the haloalkyl silane with an aqueous solution of thiocarboxylate salt. Also described is a process for the preparation of aqueous thiocarboxylate salt from a sulfide and/or hydrosulfide and an acid chloride and/or acid anhydride.

Abstract: In one aspect, the invention relates to silicon-based prepolymers. The disclosed prepolymers exhibit satisfactory solubility in aqueous solutions or hydrophilic solutions and can overcome undesirable shrinkage, expansion, and related problems possessed by conventional silicone monomers and related conventional polymerization techniques by producing hydrogels from a crosslinkable prepolymer. Also disclosed are polymers and molded articles produced from the disclosed prepolymers, which attain a satisfactory oxygen permeability. Also disclosed are methods for producing the disclosed prepolymers. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: The present invention pertains to certain ketones and reduced ketones and derivatives thereof which, inter alia, inhibit osteoclast survival, formation, and/or activity; and/or inhibit bone resorption, and more particularly to compounds of the formulae and pharmaceutically acceptable salts, amides, esters, and ethers thereof, wherein: Ar1, Ralk, —ORO, and -Q are as defined herein: The present invention also pertains to pharmaceutical compositions comprising such compounds. The compounds inhibit osteoclast survival, formation, and/or activity, and inhibit conditions mediated by osteoclasts and/or characterised by bone resorption, and are useful in the treatment of bone disorders such as osteoporosis, rheumatoid arthritis, cancer associated bone disease, Paget's disease, aseptic loosening of prosthetic implants, and the like; and/or in the treatment of conditions associated with inflammation or activation of the immune system.

Abstract: A process for the production of trialkylsilyl (fluorosulfonyl)difluoroacetate by contacting (fluorosulfonyl)difluoroacetyl fluoride with siloxane. The amount of (fluorosulfonyl)difluoroacetic acid by-product in trialkylsilyl(fluorosulfonyl)difluoroacetate is reduced by contacting said mixture with trialkylsilyl halide.

Abstract: A process for the production of trialkylsilyl (fluorosulfonyl)difluoroacetate by contacting (fluorosulfonyl)difluoroacetyl fluoride with siloxane. The amount of (fluorosulfonyl)difluoroacetic acid by-product in trialkylsilyl(fluorosulfonyl)difluoroacetate is reduced by contacting said mixture with trialkylsilyl halide.

Abstract: A silicon compound represented by Formula (1). In Formula (1), R1 is a group independently selected respectively from the group consisting of a hydrogen atom, alkyl, substituted or non-substituted aryl and substituted or non-substituted arylalkyl, and A1 is an organic group substituted with a halogenated sulfonyl group and is preferably a group represented by Formula (2). In Formula (2), X is halogen; R2 is alkyl; a is an integer of 0 to 2; and Z1 is a single bond or alkylene having a carbon number of 1 to 10. The silicon compound provided by the present invention is a silsesquioxane derivative having an excellent living polymerizable radical polymerization initiating function. For example, it is possible to commence polymerization by allowing an acryl base monomer to coexist to form an acryl base polymer making use of one point of the structure of the silsesquioxane in the present invention as a starting point.

Abstract: The present invention relates to a novel organic silane compound, and more particularly, to a novel organic silane compound, useful in various applications, for the purpose of improving the affinity of an organic resin to an inorganic filler or improving the adhesion of a coating layer comprising matrix resin to a substrate. It is particularly useful for improving the adhesion of a polarizing plate adhesive for a liquid crystal display to a glass substrate, with little change over time even under hot and humid conditions.

Abstract: The present invention relates to dimethicone copolyol sulfosuccinates that contain alkyl groups having between 8 and 40 carbon atoms. More specifically, the invention relates to silicone-based sulfosuccinates that exhibit increased detergency while still maintaining mildness and foaming properties when used as surfactants in shampoos and other personal care products.

Abstract: Siloxane polysulfide compound of the general formula (I) below: in which: the number x, which may be an integer or a fractional number, is equal to or greater than 2; the radicals Z, which may be identical or different, are divalent bond groups; the radicals R, which may be identical or different, are hydrocarbon groups. The use of such a compound as diene elastomer cross-linking agent, in particular in a rubber composition for a tire.

Abstract: A composition including nanoparticles each having an acidic polymerizable siloxane moiety. For example, a hydrolysis stable, self-etching, self-priming dental adhesive composition including 90 to 10 percent by weight of an aqueous phase, and 10 to 90 percent by weight of acidic polymerizable nanoparticles. The acidic polymerizable nanoparticles are obtainable by hydrolysis of a mixture containing one or more hydrolyzable organosilicon compounds wherein (i) at least a portion of the hydrolyzable organosilicon compounds contains one or more polymerizable groups and (ii) at least a portion of the hydrolyzable organosilicon compounds contain one or more acidic moieties.

Abstract: Silanes of the formula Ra1R4-a-xSiLx??(I) where each R is identical or different and is a monovalent, optionally substituted hydrocarbon radical which is free of aliphatic carbon—carbon multiple bonds and has from 1 to 18 carbon atoms per radical, R1 is an optionally substituted 2-norbornyl radical, L is a leaving group, a is 1, 2 or 3 and x is 1 or 2, with the proviso that the sum of a+x?4, are useful for protecting functional groups of organic compounds (2) which have at least one functional group having an active hydrogen atom, preferably as a hydroxyl group —OH, a thiol groups —SH, an amine group —NH— or —NH2, a carboxyl group —COOH, or an amide group —CONH— or —CONH2.

Abstract: The invention relates to a process for the preparation of trialkylsilylated carboxylate monomers general formula (I), which process comprises the step of reacting a hexaalkyldisilylsulfate of the formula (IV), with an unsaturated carboxylic compound of formula (III), and the obtained compounds. The invention further relates to a process for the preparation of a hexaalkyldisilylsulfate of the formula (IV) by treating a hexaalkyldisiloxane of formula (II), with fuming sulfuric acid, and the obtained compounds.

Abstract: The present invention relates to a (a) novel silicone sulfate, (b) a method for preparation of said sulfate and (c) application of said sulfate in The compounds of the present invention are made by reacting certain epoxy containing silicone compounds and sodium sulfate under aqueous conditions. The resulting compound is quite stable and offers excellent foam in personal care applications.

Abstract: Method is provided for selectively opening rings of polyhedral oligomeric silsesquioxane (POSS) compounds to from functionalized derivatives thereof or new POSS species. Per the inventive method, the POSS compound is reacted with an acid to selectively cleave bonds in the POSS rings to add functionalities thereto for grafting, polymerization or catalysis, to thus form new familes of POSS derived compounds. Also provided are the new compounds so formed. Method is also provided for expanding rings of POSS compounds. Per the inventive method, a POSS compound is reacted with silane reagents to obtain an expanded POSS framework with added Si ring substituends to form new families of POSS compounds. Also provided are the new compounds so formed.

Abstract: The present invention relates to metallocenes, wherein the two cyclopentadienyl rings are connected to each other by a single carbon atom characterized by the following general formula III where each A, equal to or different from each other, is selected from the group consisting of: hydrogen, OR3, NRR4, or SR5; and to compounds of formula IV wherein each B, equal to or different from each other, is selected from the group consisting of: OH, NRH or SH, obtained by hydrolizing the corresponding oxygen, nitrogen or sulfur containing groups from compounds of formula III. These compounds are used as active catalyst components in the polymerization of olefins.

Abstract: Disclosed herein is a process for the manufacture of a blocked mercaptosilane wherein the process is selected from the group consisting of: (1) reacting a mercaptosilane and a monoacid anhydride corresponding to a thioester group present in the desired product; (2) reacting an alkali salt of a mercaptosilane with the appropriate acid anhydride or acid halide; (3) transesterifying a mercaptosilane and an ester in the presence of an alkali metal of an acid corresponding to the ester; (4) transesterifying a thioester silane and another ester; (5) transesterifying a 1-sila-2-thiacyclopentane or a 1-sila-2-thiacyclohexane and an ester; and (6) reacting an alkali metal salt of a thioacid with a haloalkylsilane.

Abstract: The invention relates to a method of preparing lithium complex salts and their intermediaries and to the use of these in electrolytes.

Abstract: A process for the production of sulfur containing organosilicon compounds of the formula:

Abstract: Silanes of the general formula are prepared, wherein R1, R2 and R3 in the molecule are the same or different and represent aliphatic or aromatic hydrocarbon groups, R4 is a divalent hydrocarbon group with 4 to 12 carbon atoms and a lateral hydroxyl group, wherein the hydrocarbon group can be interrupted by an ether oxygen, R5 is a hydrophilic, ionic group. A method for synthesizing these compounds is described. The silanes greatly lower the surface tension of aqueous solutions, the surface tension being reduced to values of about 23 mN/m. The silanes are biologically degradable and have pronounced surfactant properties.

Abstract: Silicone-containing organic compounds useful as modulators of mammalian nuclear hormone receptors, particularly the retinoid receptors and the farnesoid receptors.

Abstract: Novel silicon amphiphilic compounds which comprise a silicon residue. The silicon amphiphilic compounds are particularly suitable for use in compositions for diagnostic imaging, such as ultrasound. Compositions of the silicon amphiphilic compounds comprise a gas or gaseous precursor, and may take the form of vesicle compositions, such as micelles or liposomes.

Abstract: Synthesis of N-silylated mono(cyclopentadienyl) ligands and similar indenyl ligands utilizing the novel silanes is described.

Abstract: The invention relates to the preparation and use of polyfluoro-alkylsilanes of formula (I) 1

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: The present invention relates to multifunctionalized alkoxy, the alkoxy functionality Y being introduced onto a suitable polyhydroorganosiloxane by a dehydrogenation/condensation reaction from the alcohol from which Y derives and then the functionality W by a hydrosilylation reaction from the olefinic compound form which W derives. The multifunctionalized alkoxy polyorganosiloxanes can be used as antiadhesion modulators in silicone compositions and as silica covering agents in silicone compositions containing fillers.

Abstract: A polyalkoxysiloxane of the following rational formula: SiOa(OR)b(OH)c wherein R is a C1-4 alkyl group, a=0.86 to 1.30, b=2.18 to 1.30, and c≦0.10.

Abstract: Silanes of the general formula are prepared, wherein R1, R2 and R3 in the molecule are the same or different and represent aliphatic or aromatic hydrocarbon groups, R4 is a divalent hydrocarbon group with 4 to 12 carbon atoms and a lateral hydroxyl group, wherein the hydrocarbon group can be interrupted by an ether oxygen, R5 is a hydrophilic, ionic group. A method for synthesizing these compounds is described. The silanes greatly lower the surface tension or aqueous solutions, the surface tension being reduced to values of about 23 mN/m. The silanes are biologically degradable and have pronounced surfactant properties.

Abstract: The present invention relates to a method for preparing a functional halosilanes by reacting A) a cyclic silyl ether having the formula  wherein each R is independently selected from a hydrocarbyl group or a halogen-substituted hydrocarbyl group having 1 to 20 carbon atoms, each R′ is independently selected from a group consisting of hydrogen and R and b is 3, 4 or 5; and (B) a halogen-functional compound having a formula selected from  wherein Q is a monovalent group having 2 to 20 carbon atoms selected from alkenyl groups, aralkenyl groups or a heterocyclic hydrocarbyl group having oxygen, nitrogen or sulfur hetero atoms in its ring, G is an m-valent organic group, m is at least 2, X is halogen, R″ is independently selected from hydrocarbyl groups or halogen-substituted hydrocarbyl groups having 1 to 20 carbon atoms, j is an integer having a value of 1 to 3 and k is an integer having a value of 1 to 3.

Abstract: The invention provides a polyorganosiloxane catalyst with both of a sulfonic acid group-containing hydrocarbon group and a mercapto group-containing hydrocarbon group, wherein the total amount of the sulfonic acid group-containing hydrocarbon group and the mercapto group-containing hydrocarbon group is within a range of 0.3 to 2.0 &mgr;mol per unit surface area (1 m2) of the polyorganosiloxane catalyst. The catalyst of the invention is highly active for the reaction to produce bisphenol A from acetone and phenol, with the deterioration of the catalyst under extreme suppression.

Abstract: The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibres and in particular the hair. The invention also relates to novel silicon compounds and dye compositions containing them, as well as to the corresponding direct dyeing process.

Abstract: Silyl amine compounds which have a proton available for covalent bonding to a metallocene metal center are disclosed.

Abstract: The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibers and in particular the hair. The invention also relates to novel silicon compounds and dye compositions containing them, as well as to the corresponding direct dyeing process.

Abstract: The invention relates to a compound having the formula I ##STR1## wherein R.sup.1 is hydroxy, (1-6C)alkoxy or NR.sup.4 R.sup.5, R.sup.4 and R.sup.5 being independently hydrogen, (1-6C)alkyl, (3-7C)cycloalkyl, (2-6C)alkenyl, (4-6C)aryl or (5-7C)aralkyl, the aryl groups of which may be optionally substituted with halogen, (1-6C)alkyl or (1-6C)alkoxy;R.sup.2 is a halo atom, (1-8C)acyloxy, --O--C(O)--O-(1-6C)alkyl, --O--C(O)--O-(5-7C)aralkyl, --SR.sup.6, --S(O)R.sup.6, --SeR.sup.6 or --Se(O)R.sup.6, R.sup.6 being (1-6C)alkyl or (4-6C)aryl; andR.sup.3 is --Si(R.sup.7).sub.3, R.sup.7 being independently (1-6C)alkyl or (4-6C)aryl. The compounds of the invention may be used as protective groups or as linkers in solid phase organic chemistry.

Abstract: The invention discloses novel sunscreening ester made by reacting (a) a carboxy silicone, and (b) the hydroxyl group of a sun screening agent. The compounds of the invention by virtue of (i) the silicone group, (ii) the sun screen group present in the compound are extremely efficient skin care compounds used in topical treatment of skin.

Abstract: This invention pertains to improved antiviral activity of 6,6-disubstituted-5,6-dihydropyran-2-ones caused by judicious placement of certain polar substituents at the 3 and/or 6 positions.The same substituents which enhance the cellular activity also diminish cytotoxicity further enhancing the desirable properties of these agents as antivirals.

Abstract: The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibres and in particular the hair. The invention also relates to novel silicon compounds and dye compositions containing them, as well as to the corresponding direct dyeing process.