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8119710 |
Filled rubber compounds with improved processability
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)...
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8101802 |
Allylic polysulfanes
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...
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8097743 |
Process for manufacture of blocked mercaptosilane coupling agents
Blocked mercaptosilanes can be manufactured by reacting mercaptosilanes with organic or inorganic halides or anhydrides in the presence of an acid acceptor and washing the resulting reaction...
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7902391 |
Rubber compositions comprising coupling agents for mineral-filled elastomer compositions
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,...
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7884170 |
Stable ethylpolysilicates with greater than fifty percent available SiO2 and methods for making the same
A stable MQ resin solution with over 50% SiO2 and having viscosity of 50 cps at 25° C. to about 750 cps at 25° C. and which is essential free of monomer is disclosed. The stable resin solution is m...
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7851580 |
Polymer electrolyte membranes (PEMs) based on imidazole ring terminated flexible branches grafted on hybrid inorganic-organic polymers
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...
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7795462 |
Crosslinked siloxane outmost layer having aromatic silicon-containing compounds for photoreceptors
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 lin...
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7777063 |
Organosilicon compounds their preparation and their use
The invention relates to organosilicon compounds, and to the ways in which they can be made and used.
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7732546 |
Use of silylated sulfonate monomers to improve contact lens wettability
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...
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7569714 |
Antistatic and antidust agents, compositions thereof, and methods of manufacture
A quaternary onium aromatic sulfonate represented by the formula: wherein each R1 independently comprises substituted or unsubstituted, aliphatic or aromatic, hydrocarbyl, carbocyclic or...
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7553983 |
Organosilicon compounds
Transesterified organosilicon compounds, including ionic organosilicon compounds and coupling agents, and aqueous-based compositions including transesterified organosilicon compounds are provided....
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7531680 |
Coupling agents for mineral-filled elastomer compositions
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,...
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7348446 |
Process for the production of trialkylsilyl(fluorosulfonyl)difluoroacetate
A process for the production of trialkylsilyl (fluorosulfonyl)difluoroacetate by contacting (fluorosulfonyl)difluoroacetyl fluoride with siloxane. The amount of (fluorosulfonyl)difluoroacetic acid...
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7294732 |
Silicon compound
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...
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7262313 |
Organic silane compound
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...
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7247696 |
Alkyl dimethicone copolyol sulfosuccinates
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...
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7189866 |
Siloxane polysulfide usable as cross-linking agent, and process for obtaining such
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...
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7041709 |
Dental adhesive composition
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...
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6881855 |
Norbornyl-substituted silanes and the use thereof
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 b...
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6777521 |
Silicone sulfate polymers
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...
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6770724 |
Altering of poss rings
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,...
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6534665 |
Single-carbon bridges bys cyclopentadienyl compounds and metallocene complexes thereof
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...
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6489498 |
Silanes with hydrophilic groups, their synthesis and use as surfactants in aqueous media
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...
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6452032 |
Organosilyl compounds having nuclear hormone receptor modulating activity
Silicone-containing organic compounds useful as modulators of mammalian nuclear hormone receptors, particularly the retinoid receptors and the farnesoid receptors.
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6414139 |
Silicon amphiphilic compounds and the use thereof
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....
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6410767 |
Silylated and N-silylated compound synthesis
Synthesis of N-silylated mono(cyclopentadienyl) ligands and similar indenyl ligands utilizing the novel silanes is described.
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6310231 |
Particular silane compounds, luminescent device materials comprising said compounds, and luminescent devices containing said materials
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...
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6271331 |
Functionalized polyorganosiloxanes and one of the processes for the preparation thereof
The present invention relates to multifunctionalized alkoxy, the alkoxy functionality Y being introduced onto a suitable polyhydroorganosiloxane by a dehydrogenation/condensation reaction from the...
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6258969 |
Polyalkoxysiloxane and process for its production
A polyalkoxysiloxane of the following rational formula: SiOa (OR)b (OH)cwherein R is a C1-4 alkyl group, a=0.86 to 1.30, b=2.18 to 1.30, and c≤0.10.
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6235920 |
Method for preparing functional halosilanes
The present invention relates to a method for preparing a functional halosilanes by reacting A) a cyclic silyl ether having the formula ##STR1## wherein each R is independently selected from a...
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6229037 |
Polyorganosiloxane catalyst
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...
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6203578 |
Use of silicon compounds to dye human keratin fibers; novel compounds and compositions containing them
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...
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6180810 |
Silyl amines
Silyl amine compounds which have a proton available for covalent bonding to a metallocene metal center are disclosed.
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6150548 |
Linkers
The invention relates to a compound having the formula I ##STR1## wherein R1 is hydroxy, (1-6C)alkoxy or NR4 R5, R4 and R5 being independently hydrogen, (1-6C)alkyl, (3-7C)cycloalkyl,...
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6114561 |
Silicone sunscreening esters
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...
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6046355 |
Dihydropyrones with improved antiviral activity
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...
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6020512 |
Process and novel intermediates
Novel processes and intermediates useful in the preparation of Cryptophycin compounds are disclosed.
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6013821 |
Removal of silylated compounds from solvent and gas waste streams
The present invention provides a method of removing silylated compounds from a solvent or gas waste stream, comprising treating the waste stream with sulfuric acid to form a silylated sulfuric acid...
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5993690 |
Organosilicon compound, liquid crystal composition, and liquid-crystal display element
An object of the present invention is to provide organosilicon compounds having an excellent miscibility with other liquid crystal materials, low viscosity, and improved threshold voltage; to...
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5990334 |
Ionic organosilicon compounds and their preparation and use
Ionic organosilicon compounds comprising siloxane units of the formula Aa Rb Xc SiO(4-a-b-c)/2 (I),in which R is an identical or different, optionally halogenated hydrocarbon radicals having 1 to...
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5977225 |
Rubber mixtures containing polysulphide polyether silanes
The rubber mixtures according to the invention, containing at least one rubber, a filler, optionally additional rubber auxiliaries and at least one polysulphide polyether silane corresponding to...
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5958822 |
Modified fluorosulfonic acids
This invention concerns modified fluorosulfonic acid compounds possessing a sulfonic acid fluoride, chloride or ester group or a sulfonic acid or a salt of a sulfonic acid group at one end and...
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5889132 |
Dental material
A dental material is described which is characterized by a content of silicic acid condensates of norbornene or mercapto silanes, and which, after thiol-ene polymerisation with suitable reactants,...
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5866596 |
3,4-diaryloxazolone derivatives, their methods of preparation and their uses in therapeutics
The present invention relates to the derivatives of formula: ##STR1## and to their use in therapeutics, especially as drugs with anti-inflammatory and analgesic properties.
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5831106 |
Preparation of bridged metallocene complexes
A process for preparing metallocene complexes of the general ##STR1## in which the substituents have the following meanings: M is titanium, zirconium, hafnium, vanadium, niobium or tantalum, X is...
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5808124 |
O- or S-substituted dihydronaphthalene derivatives having retinoid and/or retinoid antagonist-like biological activity
Compounds of the formula ##STR1## where the symbols have the meaning described in the application, have retinoid-like or retinoid antagonist-like biological activity.
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5792881 |
Thiolsilanes, method of their production and of their use
The invention relates to hydrolyzable and polyadditive silanes, a method of heir production and of their use in the production of (hetero) silicic acid polycondensates and of polyadducts. The...
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5705665 |
Organic silicon compounds and process of making
Organic silicon compounds having an alkoxy group at one end and an alkali metal salt of sulfonic acid or sulfuric acid at the other end are novel. They can be obtained by effecting hydrosilylation...
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5631338 |
Process for preparing bisphenol A
The present invention provides a process for preparing bisphenol A with a high conversion and selectivity by reacting phenol with acetone in the presence of both a polyorganosiloxane having a...
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5597938 |
Process for producing intermediate for 13,14-didehydroprostaglandin E
A novel process for the production of a compound represented by the formula: ##STR1## wherein Z and Z' each represents a protective group for the hydroxyl group; R1 represents a hydrogen atom or an...
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