Abstract: Disclosed is a composition comprising a charged particle of volume 5 nm3 to 50 million nm3 preferably having an inorganic core of SiO2, AI2O3, and/or TiO2, or a core essentially consisting of an organic pigment and/or pigment derivative, and a counter ion which is separable from the particle and is not covalently linked to the particle, said counter ion comprising a silicon atom which is directly bound to a carbon atom. Preferably, said charged particle comprises a dye attached to said inorganic core and said counter ion comprises a (poly)siloxane moiety linked via suitable bridge members to a quaternary, positively charged, nitrogen or phosphorus atom, or to a moiety carrying an anionic functional group. Said composition may be used e.g. in the form of a homogenous dispersion in an electrophoretic display.

Abstract: Provided are a modifying agent obtained by subjecting a silicon-containing compound having a protected primary amino group and at least two hydrolyzable groups to complete condensation, a method of producing a modified conjugated diene-based polymer, a modified conjugated diene-based polymer obtained by the production method, a rubber composition using the polymer, and a pneumatic tire. The modified conjugated diene-based polymer has excellent low heat generating property and abrasion resistance, and the rubber composition is obtained by using the modified conjugated diene-based polymer and the pneumatic tire is obtained by using the rubber composition.

Abstract: There are provided ligand compositions and stationary phases comprising a polyhedral oligomeric silsequioxane moiety. Also provided are chromatographic devices comprising the stationary phases, and methods of making and using the ligands, stationary phases and chromatographic devices of the invention.

Abstract: A method for preparing and purifying recombinant lipoprotein Ag473 of Neisseria meningitidis (NM) group B isolates. The method can be used in large-scale production of vaccines for Neisseria meningitidis (NM) group B.

Abstract: Storage-stable reactive inorganic clusters and a process for preparing such storage-stable reactive inorganic clusters (e.g., silica structures) having, for example, reactive amino groups. The storage-stable reactive inorganic clusters may be used as a curing agent for thermosetting resin compositions such as epoxy resins.

Abstract: ?-ketocarbonyl-functional organosilicon compounds are prepared by reacting an organosilicon compound containing at least one primary amino group with a compound which liberates a diketene, the reaction taking place in the presence of an organic compound which inhibits or prevents the reaction of diketenes with primary or secondary amino groups. The products are different from those produced merely by the reaction of a diketene with an amino-group-containing organosilicon compound.

Abstract: The invention provides a process for the preparation of a surface-functionalized nanoparticle comprising: (a) reacting a nanoparticle with a functionalized silane and a base in a substantially non-aqueous solvent to obtain a partially conjugated silanated nanoparticle, wherein the functionalized silane and the base are present in relative amounts such that said functionalized silane undergoes substantially only a single hydrolysis reaction; (b) reacting the partially conjugated silanated nanoparticle formed in step (a) with a base in a solvent in which the partially conjugated silanated nanoparticle is substantially insoluble and in which the base is substantially soluble. The invention also provides a surface-functionalized nanoparticle prepared therefrom and a bioconjugate comprising said a surface-functionalized nanoparticle.

Abstract: The invention provides a process for the synthesis of bis(aminoalkyl)disiloxanes of the general formula I by reaction of the carbamatosilanes of the general formula Ma or of the carbamatodisiloxanes of the general formula Mb or of mixtures thereof in the presence of water, where R1 is a divalent hydrocarbon radical having 1 to 100 C atoms, it being possible for the carbon chain to be interrupted by non-adjacent oxygens, sulphur atoms, —NR6—(CO)— or —NHCONH- groups and for the hydrogens in the divalent hydrocarbon radical individually to be substituted by F, Cl, NR7R8 or OR9 groups, and R2, R3, R4, R5, R6, R7, R8 and R9 are hydrocarbon radicals having 1 to 100 C atoms.

Abstract: Crosslink agents used to copolymerize at least one hydrophilic monomer with at least one lens monomer typically used to prepare polymeric materials for ophthalmic lenses. The crosslink agents have a relatively high selectivity for the hydrophilic monomer and limited reactivity with the crosslink agent used to polymerize the lens monomer. Accordingly, the invention is also directed to a hydrophilic crosslinked polymer that comprises at least two monomeric units and at least two different crosslink units. The use of the dual crosslink system provides an improved means to control the final chemical, physical and structural characteristics of the resulting polymer.

Abstract: In accordance with one aspect, the present invention provides a composition which contains the amino-siloxane structures I, or III, as described herein. The composition is useful for the capture of carbon dioxide from process streams. In addition, the present invention provides methods of preparing the amino-siloxane composition. Another aspect of the present invention provides methods for reducing the amount of carbon dioxide in a process stream employing the amino-siloxane compositions of the invention, as species which react with carbon dioxide to form an adduct with carbon dioxide.

Abstract: The present invention relates to novel amine terminated cycloaliphatic polysiloxanes, and preparations thereof. More particularly, the invention provides several reaction schemes for the synthesis of amino-functionalized cyclo-aliphatic silicones and the products produced by the reaction schemes. In one embodiment of the invention, an amine functionalized silicone is prepared through a base-catalyzed ring-opening reaction. In another embodiment of the invention, an amine functionalized silicone is prepared through the hydrosilation of a silicone oligomer through the blocking and deblocking of an amine terminated in a vinyl group.

Abstract: The present application relates to care agents, for example care polymers, and compositions such as consumer products comprising such care agents, as well as processes for making and using such care agents and such compositions. The performance of the care polymers that Applicants teach, can be further increased by following the emulsification teaching of the present specification and/or combining such care polymers with silicone materials.

Abstract: The present application relates to organosilicones and compositions such as consumer products comprising such organosilicones, as well as processes for making and using such organosilicones and such compositions. Such compositions comprising such organosilicones are easier to formulate, and provide more economical and superior care benefits when compared to current silicone containing compositions.

Abstract: Selective and efficient multifunctional nanoporous catalysts containing spatially distributed organoamine and silanol groups, and methods of preparation thereof. The catalysts have been observed to be very highly efficient in catalysis of the Henry reaction.

Abstract: A liquid crystal molecule includes a structure represented by Formula (1): wherein X1 in Formula (1) is represented by Formula (2); X2 in Formula (1) is a group selected from Formula (3); X3 in Formula (1) is represented by Formula (4).

Abstract: A process for providing antimicrobial properties to a composite item, such as a composite yarn, composite fabric or composite article, is provided involving the steps of immersing the composite item in a aqueous bath containing an organic antimicrobial agent, separating the immersed composite item from the bath and drying the separated composite item, and the antimicrobial composite items provided therefrom.

Abstract: A liquid crystal molecule is disclosed, having a structure represented by the following general formula (1): wherein X1 is a group selected among groups represented by the following formula (2): X2 is represented by the following formula (3): R1 represents a linear or branched hydrocarbon group or an alkoxy group each having from 4 to 16 carbon atoms; R2 represents an optionally branched organosiloxane or organosilane having from 1 to 6 silicon atoms; other variables in formulae are defined therein.

Abstract: Cardanol based dimers are provided. The cardanol dimers are formed by hydrosylylation with silanes. Cardanol based dimers may be further reacted to form epoxy curing agents and epoxies which can be used as anti-fouling coatings on ship hulls and marine structures. The cardanol dimers may also be used to produce friction particles or phenolic resins. Methods of synthesizing the cardanol based dimers, the epoxy curing agents and the epoxies are also provided.

Abstract: The present invention is directed to a series of alkyl quaternium silicone compounds having both alkyl groups and fatty quaternary nitrogen groups attached in one molecule, and the intermediates formed during the production thereof, that are suitable for use in personal care and other applications. These compounds by virtue of their unique structure provide outstanding micro-emulsions and provide outstanding hair conditioning.

Abstract: A compound having the formula: Each R1 is C1-C3 alkyl group or fluoridated C1-C3 alkyl group. The value n is a positive integer. Each R2 is alkylene group or polyethylene glycol group. Y1 is hydrogen, quaternary ammonium-containing group, or phenol-containing group. Y2 is quaternary ammonium-containing group or phenol-containing group. The quaternary ammonium-containing group is non-aromatic and contains no more than one quaternary ammonium.

Abstract: High-pressure electrokinetic (“EK”) pumps comprising a hybrid monolith provide a high surface charge density and a continuous stable skeleton morphology with micrometer- sized through-pores. The hybrid monolith of the subject invention has superior mechanical strength and better stability in comparison to prior art monoliths with equivalent mechanical stability. The surface charge of the hybrid monolith can be modified and/or made stable by the use of different chemical reagents. The chemical reagents and resulting modification to the monolith serves to expand the usefulness of the hybrid monolith to a variety of pumping applications including chip-based systems and other applications where the ability to pump an acidic solution is required.

Abstract: In accordance with one aspect, the present invention provides an amino-siloxane composition comprising at least one of structures I, II, III, IV or V said compositions being useful for the capture of carbon dioxide from gas streams such as power plant flue gases. In addition, the present invention provides methods of preparing the amino-siloxane compositions are provided. Also provided are methods for reducing the amount of carbon dioxide in a process stream employing the amino-siloxane compositions of the invention as species which react with carbon dioxide to form an adduct with carbon dioxide. The reaction of the amino-siloxane compositions provided by the present invention with carbon dioxide is reversible and thus, the method provides for multicycle use of said compositions.

Abstract: A compound having the formula: Each R1 is C1-C3 alkyl group or fluoridated C1-C3 alkyl group. The value n is a positive integer. Each R2 is alkylene group or polyethylene glycol group. Y1 is hydrogen, quaternary ammonium-containing group, or phenol-containing group. Y2 is quaternary ammonium-containing group or phenol-containing group. The quaternary ammonium-containing group is non-aromatic and contains no more than one quaternary ammonium.

Abstract: Cyclic silazanes containing an oxamido ester group and methods of making these compounds are described. The compounds can be used, for example, to make oxamido ester-terminated siloxanes, which can be precursors for the preparation of various polymeric materials such as, for example, polydiorganosiloxane polyoxamides.

Abstract: A silsesquioxane cage structure has a general formula [R1SiO1.5]n, wherein, n is an integer greater than or equal to 4; each R1 is an amine-functional siloxy group, a quaternary ammonium-functional siloxy group, or a texturizing moiety. At least one R1 group may optionally be a quaternary ammonium-functional siloxy group. Compositions may be prepared from polymers and the silsesquioxane compounds.

Abstract: A method is presented for making an amino alkoxy-modified silsesquioxane (amino AMS) comprising one or more compounds selected from the group consisting of an amino-AMS, an amino/mercaptan co-AMS, an amino/blocked mercaptan co-AMS, and mixtures of these. The use of solid strong cationic catalysts in this reaction system is advantageous because the catalyst remains as a solid throughout the reaction, allowing simplified separation of the solid catalyst from the soluble amino AMS or amino co-AMS products, resulting in total or near total recovery of the amino AMS or amino co-AMS products, as well as virtual total recovery of the catalyst for recycling. The use of the solid strong cationic catalysts is advantageous because it results in amino AMS products that are free of, or substantially free of, residual acid catalyst.

Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. Such properties include the ability to extract the polymerized medical devices with water. This avoids the use of organic solvents as is typical in the art. The polymeric compositions comprise polymerized cationic hydrophilic siloxanyl monomers.

Abstract: Polyaminofunctional alkoxy polysiloxanes which exhibit antineoplastic activity are disclosed. Pharmaceutical compositions including an effective amount of a polyaminofunctional alkoxy polysiloxane and/or a pharmaceutically acceptable salt thereof are also disclosed. The application also describes methods of suppressing the growth of neoplastic cells and treating neoplastic conditions.

Abstract: The invention concerns a composition comprising, in a cosmetically acceptable medium, at least 0.02 weight percent relative to the composition total weight, one or several water soluble organosilicon compounds, selected among silanes having one silicon atom and siloxanes having two or three silicon atoms, the organosilicon compounds comprising two hydroxyl groups or groups capable of being hydrolyzed and two groups not capable of being hydrolyzed per molecule, at least one of the groups not capable of being hydrolyzed being a group with a cosmetic effect and at least one of the remaining functional groups being a group with a solubilizing function. The invention is applicable to hair care compositions.

Abstract: An amino-functional polysiloxane is prepared by reacting an aminosilane (A) which contains an aminoalkyl group and at least one alkoxy group bonded to Si with a carboxylic acid and a silanol-functional polysiloxane (B). The aminosilane (A) is partially converted into its carboxylate salt which acts as a catalyst for the siloxane condensation polymerization reaction between (A) and (B).

Abstract: The present invention includes a novel polyol prepolmer including an aliphatic amine, aromatic amine, or a mixture of both aliphatic and aromatic amines with an epoxy functional silicone to produce the novel polyol prepolymer chain extender. In another aspect of the invention, the novel polyol prepolymer chain extender is reacted with a polyisocyanate to produce a novel silicone modified polyurea having improved adhesion, chemical resistance, UV stability, and decreased shrinkage properties.

Abstract: Bissilylamino group-bearing chlorosilane compounds of formula (1): [(CH3)3Si]2NCH2CH2CH2Si(CH3)nCl3?n ??(1) wherein n is 0 or 1 are novel. They are useful as silane coupling agents and surface treating agents. They can be readily converted, through reaction with alcohols, to bissilyl group-bearing alkoxysilane compounds which are useful as intermediates for the synthesis of aminopropyl-modified silicone oil. The invention also provides an industrially advantageous method capable of preparing the bissilylamino group-bearing chlorosilane compounds.

Abstract: UV curable compositions, polymeric photoinitiators and precursors therefor are described.

Abstract: A nonpolymeric silsesquioxane is provided wherein at least one silicon atom of the silsesquioxane is directly or indirectly bound to an acid-cleavable substituent RCL. The silsesquioxane has a glass transition temperature Tg of greater than 50° C., and the RCL substituent can be cleaved from the silsesquioxane at a temperature below Tg, generally at least 5° C. below Tg. The remainder of the silicon atoms within the silsesquioxane structure may be bound to additional acid-cleavable groups, acid-inert polar groups RP, and/or acid-inert nonpolar groups RNP. The nonpolymeric silsesquioxane can be a polyhedral silsesquioxane optionally having one to three open vertices, such that the polyhedron appears to be a “partial cage” structure, or a macromer of two to four such polyhedral silsesquioxanes. Photoresist compositions containing the novel nonpolymeric silsesquioxanes are also provided, as is a method for using the compositions in preparing a patterned substrate.

Abstract: Relatively high refractive index polymeric compositions and ophthalmic devices such as for example intraocular lenses and corneal inlays made therefrom are described herein. The preferred polymeric compositions are produced through the copolymerization of one or more aromatic-substituted polysiloxane prepolymers with one or more aromatic monomers, alkylated monomers or hydrophilic monomers.

Abstract: Disclosed are compounds produced by a process comprising the step of reacting an amine reactant with an epoxide reactant to form a hydrolytically stable carbon-nitrogen bond therebetween, wherein at least one of the amine or epoxide reactants comprises a terminal alkoxysiyl group. Also disclosed are curable compositions comprising the compounds of the present invention and the cured products derived therefrom.

Abstract: Compounds of formula (I, II, or III), wherein X is OH; Y is OH, H, lower alkyl of one to six carbons or heteroatoms or F; Z and Z? are independently H, lower alkyl or Q3Si where Q is lower alkyl or aryl; n is 3–50; n? is 2–50; A and B are independently a) alkyl of one to ten carbons or heteroatoms, b) aryl of four to ten carbons or heteroatoms, c) cyclic of three to ten carbons or heteroatoms, or moieties of the formulas (d, e, or f); R1–R11 groups are each independently hydrogen, alkyl of one to ten carbons or heteroatoms, aryl of 4 to 14 carbons or heteroatoms, arylalkyl of five to twenty carbons or heteroatoms; unsubstituted carbonyl or substituted carbonyl. Heteroatoms are nitrogen, oxygen, silicon or sulfur. At least one of A or B, or both A and B are d), e), or f). The compounds of formula (I) inhibit protease enzymes and can be used as pharmaceuticals.

Abstract: A silicon containing adduct having the formula (I) wherein X is an electron withdrawing group selected from the group consisting of carbonyl and sulphone groups, sulphonium and phosphonium salts; R is selected from the group consisting of hydrogen, linear and branched alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, cycloalkynyl, aryl, alkaryl, aralkyl, alkoxyaryl, alkoxyalkyl, oligoalkoxyalkyl, di-alkylaminoalkyl, N-aryl-N-alky-laminoalkyl, hydroxyalkoxy, alkoxy, alkenyloxy, alkynyloxy, cycloalkoxy, cycloalkenyloxy, cycloalkynyloxy, aralkoxy, alkoxyaryloxy, alkoxyalkoxy, oligoalkoxyalkoxy, di-alkylaminoalkoxy, N-aryl-N-alkylamino-alkoxy, acyloxy, acyloxyalkyl, N-diacyl-iminoalkyl groups, organosilane, organosiloxane, hydroxyaryl, hydroxyalkenyl, hydroxyalkynyl and hydroxy groups and any of the above groups substituted with one or more hydroxyl or xzwitterionic group Z, or R—X— is a nitrile group; R3 and R4 are individually selected from the group consisting of hydrogen, linear and branched alkyl, alkenyl,

Abstract: Heterocyclic and acyclic silane monomers and siloxane polymers, and their halogenated derivatives, are provided for the purpose of functionalizing surfaces or materials so as to render them biocidal upon exposure to oxidative halogen solutions. The biocidal function can be imparted either before or after bonding or adhesion to the surface or material. The biocidal surfaces and materials can then be used to inactivate pathogenic microorganisms such as bacteria, fungi, and yeasts, as well as virus particles, which can cause infectious diseases, and those microorganisms which cause noxious odors and unpleasant coloring such as mildew. Examples of surfaces and materials which can be rendered biocidal in this invention include, but are not limited to, cellulose, chitin, chitosan, synthetic fibers, glass, ceramics, plastics, rubber, cement grout, latex caulk, porcelain, acrylic films, vinyl, polyurethanes, silicon tubing, marble, metals, metal oxides, and silica.

Abstract: Compounds of formula (I, II or III), wherein X is OH; Y is OH, H, lower alkyl of one to six carbons or heteroatoms or F; Z and Z? are independently H, lower alkyl or Q3Si where Q is lower alkyl or aryl; n is 3-50; n? is 2-50; A and B are independently a) alkyl of one to ten carbons or heteroatoms, b) aryl of four to seven carbons or heteroatoms, c) cyclic of three to ten carbons or heteroatoms, or moieties of the formulas (d, e, or f); R1-R11 groups are each independently hydrogen, alkyl of one to ten carbons or heteroatoms, aryl of 4 to 14 carbons or heteroatoms, arylalkyl of five to twenty carbons or heteroatoms; unsubstituted carbonyl or substituted carbonyl. Heteroatoms are nitrogen, oxygen, silicon or sulfur. At least one of A or B, or both A and B are d), e), or f). The compounds of formula (I) inhibit protease enzymes and can be used as pharmaceuticals.

Abstract: This invention provides a one-part, room temperature moisture curable resin composition which comprises a ketimine prepared by reacting a ketone having a substituent at ? position and a polyamine having at least two amino groups within its molecule wherein ? position is methylene, and a main polymer which is an epoxy resin and/or a modified silicone having at least two hydrolyzable alkoxysilyl groups in its molecule, and which exhibits good shelf stability and high curing rate once taken out of the container, and which may further exhibit flexibility; a one-part, room temperature moisture curable resin composition which exhibits good shelf stability and curability as well as wet surface adhesion or initial thixotropic properties; a silicon containing compound having ketimine group whose reaction with the epoxy resin during the storage is prevented by the presence of a bulky alkyl group near the ketimine group and which exhibits good shelf stability and curability, and its production method; a one-part, room t

Abstract: Yellow dye moiety-containing prepolymers with blue light absorbing priorities and methods for producing the same for use in the production of relatively high refractive index polymeric compositions are described herein. Polymeric compositions so produced are useful in the production of ophthalmic devices such as for example intraocular lenses and corneal inlays.

Abstract: This invention provides a one-part, room temperature moisture curable resin composition which comprises a ketimine prepared by reacting a ketone having a substituent at &agr; position and a polyamine having at least two amino groups within its molecule wherein &agr; position is methylene, and a main polymer which is an epoxy resin and/or a modified silicone having at least two hydrolyzable alkoxysilyl groups in its molecule, and which exhibits good shelf stability and high curing rate once taken out of the container, and which may further exhibit flexibility; a one-part, room temperature moisture curable resin composition which exhibits good shelf stability and curability as well as wet surface adhesion or initial thixotropic properties; a silicon containing compound having ketimine group whose reaction with the epoxy resin during the storage is prevented by the presence of a bulky alkyl group near the ketimine group and which exhibits good shelf stability and curability, and its production method; a one-part

Abstract: Organopolysiloxanes bearing quaternary ammonium groups and containing units of the general formula —[R2—(SiR2—O)b—SiR2—R2—N+R12]n—·nX−  (I′) where R are identical or different monovalent, SiC-bonded, optionally substituted C1-12 hydrocarbon radicals, R1 are identical or different monovalent, optionally substituted C1-12 hydrocarbon radicals or are a bridging alkylene radical, X is an organic or inorganic anion, R2 is a divalent hydrocarbon radical having at least 4 carbon atoms which contains at least one hydroxyl group and is optionally interrupted by one or more oxygens, b is an integer from 1 to 200 and n is an integer from 1 to 50. and processes for the preparation thereof.

Abstract: The invention concerns poly(ethynylene phenylene ethynylene silylene) polymers comprising an inert spacer in the main chain of the polymer. The invention also concerns methods for preparing said polymers and hardened products obtainable by heat treatment of said polymers. The inventive polymers can in particular be used in matrices for composites.

Abstract: The invention concerns a method for preparing a first generation polymer comprising a step which consists in free radical polymerization of a composition comprising: at least an ethylenically unsaturated monomer, a source of free radicals, and at least a cyclic organic compound including at least a tetrathiophosphate group.

Abstract: The present invention teaches the composition of terminally modified, amino, polyether, siloxanes, known henceforth as amino siloxane alkokylates, and their use as adjuvants. The amino siloxane alkoxylates of the present invention enhance the efficacy of agrichemicals on plants as compared to conventional TSE's alone. The amino siloxane alkoxylates have at one end, an amine functionality and at the other end, a polyalkyleneoxide functionality.

Abstract: A vulcanizing adhesive composition comprising a copolymerization oligomer of amino group-containing alkoxysilane and vinyl group-containing alkoxysilane, a nonionic surfactant of HLB 10-16 and an acid compound is an aqueous vulcanizing adhesive composition free from an organic solvent and for use in bonding of fluororubber to a metal, which is also effectively applicable to any of polyol-vulcanizable fluororubber and peroxide-vulcanizable fluororubber, showing a good adhesiveness even to stainless steel of poor wettability toward the conventional aqueous adhesive.

Abstract: The present invention relates to a support system for solid phase synthesis of oligomers, such as oligonucleotides, wherein the starting compound is bound to the support via a disiloxyl linkage. Furthermore, the invention relates to a method for synthesis of oligonucleotides on a solid support. The support system comprises a stable disiloxyl linkage providing high nucleoside loadings to the support and the method allows convenient non-laborious oligomer synthesis.

Abstract: The invention relates to a process for preparing an amino-functional organosiloxane of the formula III, (SiO{fraction (4/2)})k(R1SiO{fraction (3/2)})m(R12SiO{fraction (2/2)})p(R13SiO½)q[O½SiR12—R—NH2]s[O½H]t  (III) which comprises reacting an organosiloxane of the formula IV (SiO{fraction (4/2)})k(R1SiO{fraction (3/2)})m(R12SiO{fraction (2/2)})p(R13SiO½)q[O½H]r  (IV) with a cyclic silazane of the formula V where R, Rx, R1, s, t, r, k, m, p and q are as defined in claim 1.