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7601860 |
Composition and method for low temperature chemical vapor deposition of silicon-containing films including silicon carbonitride and silicon oxycarbonitride films
Silicon precursors for forming silicon-containing films in the manufacture of semiconductor devices, such as films including silicon carbonitride, silicon oxycarbonitride, and silicon nitride (Si 3...
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7579496 |
Monosilane or disilane derivatives and method for low temperature deposition of silicon-containing films using the same
This invention relates to silicon precursor compositions for forming silicon-containing films by low temperature (e.g., <550° C.) chemical vapor deposition processes for fabrication of ULSI...
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7557231 |
Carboxylic tris-like siloxanyl monomers
The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain carboxylic monomers...
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7534905 |
Reagents for asymmetric allylation, aldol, and tandem aldol and allyation reactions
A new class of reagents and method of use of the reagents in the reaction of the reagents with electrophilic compounds. The invention in one embodiment is directed to a method for the formation of...
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7507849 |
Cyclic silazanes containing an oxamido ester group and methods of making these compounds
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...
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7417105 |
Crosslinkable silane-terminated polymer and sealant composition made with same
A crosslinkable silane-terminated polymer is provided which includes the reaction product of an isocyanate-terminated prepolymer and a silane possessing a plurality of hydrolysable sites and at...
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7148367 |
Organometallic compound, its synthesis method, and solution raw material and metal-containing thin film containing the same
The organometallic compound of the present invention is a compound that has bonds between metal atoms and nitrogen atoms or bonds between semimetal atoms and nitrogen atoms, and the content of...
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RE39428 |
High temperature elastomers from linear poly (silarylene-siloxane-acetylene)
A linear polymer has repeating units represented by the formula
wherein
(a) n is an integer greater than or equal to 0, (b) x is an integer greater than or equal to 1, and
...
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RE39332 |
High temperature elastomers from linear poly (silarylene-siloxane-acetylene)
A linear polymer has repeating units represented by the formula
wherein
(a) n is an integer greater than or equal to 0, (b) x is an integer greater than or equal to 1, and
...
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7101959 |
Polymerization catalysts
A subject of the present invention is new compounds having a lanthanide and having a tridentate ligand, a process for their preparation and their use in particular as polymerization catalysts.
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7074863 |
Metallocene catalysts containing an idenyl moiety substituted at the 4,-5,-6- or 7-position by a siloxy or germyloxy group
A metallocene catalyst in which the metal is coordinated by a η5 cyclopentadienyl ligand which forms part of an indenyl or indenyloid moiety, characterized in that said moiety is directly or...
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7026497 |
Adhesive compound and method for forming photoresist pattern using the same
An adhesive compound for use during the formation of a photoresist film represented by the following chemical formula,
wherein R represents a photoacid generator is disclosed.
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7019159 |
Hexakis(monohydrocarbylamino) disilanes and method for the preparation thereof
A composition and method of preparation, to provide silane compounds that are free of chlorine. The compounds are hexakis(monohydrocarbylamino)disilanes with general formula (I)
...
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6963006 |
Process for the production and purification of bis(tertiary-butylamino)silane
A process for synthesizing an aminosilane compound such as bis(tertiarybutylamino)silane is provided. In one aspect of the present invention, there is provided a process for making...
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6949186 |
Polar silanes and their use on silica supports
A modified silica support having a polar phase bound to its surface and suitable for use for chromatographic separations, having the following formula:
wherein, m=0-20; n=0-20; p=1-50; X is...
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6875243 |
Catalysts for preparing polyisocyanates containing isocyanurate groups, and their use
Catalysts and processes for preparing polyisocyanates containing isocyanurate groups, and their use, wherein the catalysts are represented by the following formula (1):
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6787615 |
Synthesis of oligomeric poly(silarylene-siloxane-acetylene)'s and their conversion to high temperature plastics, elastomers, and coatings
The invention comprises a networked polymer comprising the formula: wherein n≧1; wherein n is an average value obtained by averaging all repeating units of the networked polymer; wherein...
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6784259 |
High temperature elastomers from linear poly(silarylene-siloxane-acetylene)
A prepolymer, represented by the formula: wherein n is an average value grater than or equal to 0, Ar is an aromatic group, and each R 10 is independently selected from the group consisting of...
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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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6727388 |
Demulsifying compound and a method of breaking or inhibiting emulsions
The present invention is a demulsifying and corrosion-inhibiting compound formed from the salt of an amphiphilic amine and an amphiphilic acid. In a preferred embodiment of the invention, the...
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6716787 |
Polymerisation catalyst
A subject of the present invention is new compounds having a lanthanide and having a tridentate ligand, a process for their preparation and their use in particular as polymerization catalysts.
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6709772 |
Organic electrically conductive compound and an organic electroluminescent device including the compound
An organic electrically conductive compound represented by general formula (1): and an organic electroluminescent device using the compound are provided, wherein n is an integer from 1 to 10, k...
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6706906 |
Water repellent composition, surface-treated substrate, process for its production and article for transport equipment
A water repellent composition comprising a compound of the following formula 1, and a compound of the following formula 4 and/or a compound of the following formula 5: R f Si(R) p (X) 3−p ...
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6670507 |
Process for the preparation of aryloctanoyl amides
Compounds of formula I wherein R 1 is for example 3-methoxyprop-3-yloxy, R 2 is for example methoxy, R 3 and R 4 are in each case for example isopropyl, and R 5 is H 2 NC(O)—[C(CH 3 ) 2...
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6534615 |
Preparation of amino-functional siloxanes
The invention relates to a process for preparing an amino-functional organosiloxane of the formula III, (SiO {fraction (4/2)} ) k (R 1 SiO {fraction (3/2)} ) m (R 1 2 SiO {fraction (2/2)} ) p (R 1...
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6531620 |
Cyclic silazanes
The invention relates to cyclic silazanes of the formula II in which R is a divalent, Si—C and C—N-bound, optionally cyano- or halogen-substituted C 3 -C 15 -hydrocarbon radical, in which...
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6511936 |
Catalyst compounds with β-diminate anionic ligands and processes for polymerizing olefins
The present invention relates to catalyst systems, processes for making such catalysts, intermediates for such catalysts, and olefin polymerization processes using such catalysts wherein such...
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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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6335456 |
Semi-continuous process for preparing bis-silyl carboxamides
For preparing bis-silyl carboxamides in a semi-continuous, reacting an amide or the N-trimethylsilyl derivative thereof with a silylating agent and, at the same time, extracting the bis-silyl...
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6335303 |
Polymerization catalysts containing electron-withdrawing amide ligands
The present invention describes methods of making a series of amine-containing organic compounds which are used as ligands for group 3-10 and lanthanide metal compounds. The ligands have...
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6313293 |
Preparation of amides and quinazoline derivatives
The present invention relates to a process for the preparation of amides, comprising reacting amines with carboxylic acids in the presence of silicon amines. The present invention further relates...
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6303807 |
Metal complexes with a tridentate ligand as polymerization catalysts
The invention concerns novel compounds having the elements of group 11, 12 or 14; and a tridentate ligand, a method for preparing them and their use in particular as polymerisation catalyst.
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6265597 |
Dopants for semiconducting materials
A magnesium amide for use as a magnesium donor not having any Mg--C bonds. The compound is useful for doping GaN with Mg +2 . The compound of the present invention is a high molecular weight dimer,...
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6248686 |
Organic/inorganic complex porous materials
Organic/inorganic complex porous materials are disclosed having a main skeletal chain containing metal atoms, oxygen atoms, and organic groups. Preferably, the metal atoms, oxygen atoms and organic...
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6211393 |
Compounds with biologically active silicon and applications
Silicon compound of general formula a), in which A, B, C, D are radicals which are different from OH and are covalently bonded to Si; two or three of these bond that are linked to Si are Si--O--C,...
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6197987 |
Polyfunctional perhalogenated polyorganosiloxanes and the processes for their preparation
The present invention relates to chemically stable, polyfunctional, perfluorinated polyorganosiloxanes (POS) comprising on the one hand fluorinated lateral grafts resulting from the hydrosilylation...
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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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6172250 |
Preparation process of biologically active silicon compounds in a concentrated form
A process for the preparation of biologically active silicon compounds by hydrolysis of a precursor which produces a compound which prevents the formation of polymers from the silicon hydrolyzed...
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6121474 |
Amine anionic polymerization initiators and functionalized polymers derived therefrom
Protected amine anionic polymerization initiators useful in the preparation of polymers having a protected amine functional group. The initiators are very soluble in hydrocarbon solvents.
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6113815 |
Ether-stabilized organosilane compositions and methods for using the same
The composition formed by mixing an organosilane with an ether. Water-stabilized organosilane compounds. A water stable composition made from the ether and organosilane composition and water. A...
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6093825 |
Methods for preparation of 1,2-dihydroquinolines
Methods for conversion of anilines to 1,2-dihydroquinolines. 1,2-dihydroquinoliiies are generated from combining an aniline, a silylating agent, and further condensing with a ketone in the presence...
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6060617 |
Contaminant free organometallic amide compositions and processes for making same
Organometallic amide compositions and processes for preparing the same, for example, by: reacting an alkali metal, alkali metal hydride, or alkali metal amide with a substituted amine in the...
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6057468 |
Propylene-bridged bidentate silanes
The present invention provides propylene-bridged bidentate silane reagents for modifying the surface of liquid chromatography supports, these supports and methods of making and using the same. When...
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6051729 |
Process for preparing organosilazanes
A process for preparing organosilazane and ammonium chloride, by reaction of an organochlorosilane with ammonia in the presence of organosilazane as solvent, wherein ammonium chloride is removed...
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6046348 |
Silane compound, method for making the same, and electrophotographic photoreceptor
The present invention provides a silane compound represented by general formula, I, below, a method for preparing the silane compound and a photoreceptor for use in electrostatic photography...
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6031119 |
Polyalkylene guanidine salts or polyalkylene biguanidine salts having a branched silane compound, method for preparing same and uses thereof
Polyalkylene guanidine salts or polyalkylene biguanidine salts having a branched silane compound of formula I show excellent antimicrobial activity and can be applied to various materials including...
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6011167 |
Polyorganosiloxazanes and process for the preparation thereof
Polyorganosiloxazane is provided which is capable of being converted into a ceramic material having low dielectric constant. The polymer according to the present invention is characterized by...
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5976403 |
Organoalkali compounds and their preparation
A process for producing dispersions of atmospherically stable, coated alkali metal particles and atmospherically stable, coated alkali metal powders by agitating a mixture of molten alkali metal in...
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5973175 |
Hydrothermal process for making ultrafine metal oxide powders
An ultrafine titanium dioxide powder is disclosed that can be produced by hydrothermal treating an amino titanium oxalate composition. Ultrafine titanium dioxide powders are useful in cosmetic and...
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5914419 |
Organosilicon compound
The organosilicon compound of the following chemical formula, which is useful for introduction of silylphenyl groups having a hydrosilyl group into polymer terminals and the like, is disclosed....
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