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| Number | Title | Issue Date |
| 8110696 | Cyclic siloxane compound, a material for forming Si-containing film, and its use The present invention has the objects to provide a novel material for forming Si-containing film, especially a material containing a cyclic siloxane compound suitable to a PECVD equipment for low dielectric constant insulating film, and to provide an Si-containing f... | 02/07/2012 |
| 7999127 | Siloxane monomers and oligomers A process for preparing a cationically photopolymerizable siloxane oligomer, that includes: combining a platinum group catalyst, a hydrosiloxane compound selected from and a vinyl or allyl compound comprising a cationically... | 08/16/2011 |
| 7947848 | Coloured silsesquioxanes The invention relates tp dye-functionalized silsesquioxane clusters, a process for their manufacture and their use as colorants, wherein the compounds (functionalized clusters or nano-particles) are characterized by the general formula (I) wherein CAGE is a moiety o... | 05/24/2011 |
| 7868198 | Multi-functional silsesquioxanes for novel coating applications A multi-functional silsesquioxane, method of making the same, and coatings incorporating the same, including a polyhedral silsesquioxane including at least one first face and at least one second face that is spaced apart from the at least one first face; at least on... | 01/11/2011 |
| 7777064 | Adhesive compositions containing cyclic siloxanes and methods for use thereof The invention is based on the discovery that certain well-defined functionalized cyclic siloxanes are useful as thermosetting resins for the electronic packaging industry. The functionalized cyclic siloxane compounds described herein can be cured in a variety of way... | 08/17/2010 |
| 7750176 | Multi-functional cyclic siloxane compound and process for preparing dielectric film by using siloxane-based polymer prepared from the compound A multi-functional cyclic siloxane compound (A), a siloxane-based (co)polymer prepared from the compound (A), or compound (A) and at least one of a Si monomer having organic bridges (B), an acyclic alkoxy silane monomer (C), and a linear siloxane monomer (D); and a ... | 07/06/2010 |
| 7612222 | Method for the redistribution of polyorganosiloxanes Linear hydroxy endblocked linear polyorganosiloxanes, linear chloro-endblocked polyorganosiloxanes, and mixtures thereof, are redistributed in a process by contacting the linear polyorganosiloxanes, with a diorganodichlorosilane having the formula R′2Si... | 11/03/2009 |
| 7576230 | Multi-functional cyclic siloxane compound, a siloxane-based polymer prepared from the compound and a process for preparing a dielectric film by using the polymer A multi-functional cyclic siloxane compound (A), a siloxane-based (co)polymer prepared from the compound (A), or compound (A) and at least one of a Si monomer having organic bridges (B), an acyclic alkoxy silane monomer (C), and a linear siloxane monomer (D); and a ... | 08/18/2009 |
| 7563917 | Silicon compound and a production process for silicon compound The object of the present invention is to provide a new kind of silicon compound having an ester-type organic functional group and a new method for providing a T8-silsesquioxane compound having a hydroxyl group by using said silicon compound as the starti... | 07/21/2009 |
| 7425373 | Primer composition A primer composition comprising a compound containing an epoxy group, a Si—H group, and an aromatic ring per molecule, and a solvent is effective for assisting in integral molding or bonding a silicone rubber to an adherend of gold, silver or platinum. ... | 09/16/2008 |
| 7300995 | Stabilizers to inhibit the polymerization of substituted cyclotetrasiloxane The present invention is; (a) a process for stabilizing a cyclotetrasiloxane, such as 1,3,5,7-tetramethylcyclotetrasiloxane, against polymerization used in a chemical vapor deposition process for silicon oxides in electronic material fabrication comprising providing... | 11/27/2007 |
| 7268201 | Insulating-film forming material and insulating film using the same A polymer having a repeating unit represented by formula (I) is used for an insulating-film forming material and an insulating film. wherein R1 to R7 each are a monovalent hydrocarbon group,... | 09/11/2007 |
| 7241851 | Silicone condensation reaction A new silicone condensation reaction, the condensation between an alkoxy silane or siloxane or a dihydric phenol and an organo-hydrosilane or siloxane and catalysts therefore is described and claimed. ... | 07/10/2007 |
| 7223517 | Lithographic antireflective hardmask compositions and uses thereof Compositions and techniques for the processing of semiconductor devices are provided. In one aspect of the invention, an antireflective hardmask composition is provided. The composition comprises a fully condensed polyhedral oligosilsesquioxane, {RSiO1.5}... | 05/29/2007 |
| 7217683 | Lubrication via nanoscopic polyhedral oligomeric silsesquioxanes Nanoscale chemicals based on polyhedral oligomeric silsesquioxanes (POSS) and polyhedral oligomeric silicates (POS) are taught as lubricants, mold release agents, and as additives to control the viscosity, lubrication, wear, and thermal properties of conventional lu... | 05/15/2007 |
| 7208617 | Hydrolysis of chlorosilanes Chlorosilanes are hydrolyzed to a hydrolysate in a looped system containing a hydrolysis reactor, an HCl purifier, a wash means, and a separator. The steps of the method comprise: (i) feeding chlorosilanes from an external source to the hydrolysis react... | 04/24/2007 |
| 7198639 | Polysilsesquioxane containing polymeric compositions Soft, durable, polymeric compositions with one or more reactive polyhedral oligomeric silsesquioxane reinforcing agents and ophthalmic devices such as for example intraocular lenses and corneal inlays made therefrom are described herein. ... | 04/03/2007 |
| 7193015 | Nanostructured chemicals as alloying agents in fluorinated polymers A method of using nanostructured chemicals as alloying agents for the reinforcement of flouropolymer microstructures, including polymer coils, domains, chains, and segments, at the molecular level. Because of their tailorable compatibility with fluorinated polymers,... | 03/20/2007 |
| 7189868 | Cyclic siloxane compounds and making method Novel cyclic siloxane compounds have both an aliphatic unsaturation-containing organic group and fluorinated alkyl groups within the molecular structure. When used to form silicone fluids and rubbers, they are useful as a modifier for giving novel physical propertie... | 03/13/2007 |
| 7173097 | Metathesis-curable composition with a reaction control agent A composition curable by a metathesis reaction upon mixing its components and comprising an olefin-containing substrate, a metathesis catalyst, and a reaction control agent for slowing the progress of the metathesis reaction. The metathesis catalyst is a ruthenium o... | 02/06/2007 |
| 7169873 | Silsesquioxane derivatives and process for production thereof The present inventors have obtained a PSQ derivative of a completely condensed type into which a functional group is readily introduced by using a novel PSQ derivative of an incompletely condensed type in which four alkaline metal atoms are bonded to silsesquioxane ... | 01/30/2007 |
| 7148370 | Process for synthesis of diorganosilanes by disproportionation of hydridosiloxanes The present invention provides a novel method for the preparation of diorganosilanes by disproportionation of a hydridosiloxanes comprising at least one terminal SiH group and at least one siloxane bond in the presence of Lewis acid catalysts. The reaction is both s... | 12/12/2006 |
| 7144968 | Silicon-containing polymer, process for its production, resist composition employing it, pattern-forming method and electronic device fabrication method A silicon-containing polymer having a tetrafunctional siloxane portion as the basic skeleton, and containing a carboxylic acid group-containing triorganosiloxane portion and a carboxylic acid derivative group-containing triorganosiloxane portion in a specific propor... | 12/05/2006 |
| 7141692 | Molecular photoresists containing nonpolymeric silsesquioxanes 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 50Â... | 11/28/2006 |
| 7108771 | Method for removal of impurities in cyclic siloxanes useful as precursors for low dielectric constant thin films A process for reducing the level(s) of water and/or other impurities from cyclosiloxanes by either azeotropic distillation, or by contacting the cyclosiloxane compositions with an adsorbent bed material. The purified cyclosiloxane material is useful for forming low-... | 09/19/2006 |
| 7105622 | Hybrid polyurethanes Cyclosiloxane-multiol compositions, multicomponent polyurethane networks, and related methods are disclosed. ... | 09/12/2006 |
| 7101948 | Stabilizers to inhibit the polymerization of substituted cyclotetrasiloxane The present invention is; (a) a process for stabilizing a cyclotetrasiloxane, such as 1,3,5,7-tetramethylcyclotetrasiloxane, against polymerization used in a chemical vapor deposition process for silicon oxides in electronic material fabrication comprising providing... | 09/05/2006 |
| 7064173 | Silicone condensation reaction A new silicone condensation reaction, the condensation between an alkoxy silane or siloxane and an organo-hydrosilane or siloxane and catalysts therefore is described and claimed. ... | 06/20/2006 |
| 7001590 | Metathesis-curable composition One-part and two-part compositions curable by a metathesis reaction comprising a resin containing a substrate with at least two cycloolefin groups per molecule curable by a metathesis reaction with a metathesis catalyst. These compositions may optionally contain a r... | 02/21/2006 |
| 6998437 | Preparation of polydiorganosiloxanes Polydiorganosiloxanes of the general formula R1—(OSiR2)nOH  (I) are prepared by reacting hexaorganocyclotrisiloxanes of the formula (R2SiO)3  (II) with alcohols ... | 02/14/2006 |
| 6966322 | Enhanced chronic lead removal An implantable medical device, perhaps a pacemaker lead, has a medical unit and a casing at least partially enclosing the medical unit. The casing is formed of a base polymer having surface modifying pendant groups formed of an acrylamide polymer or an acrylamide co... | 11/22/2005 |
| 6968234 | Implantable medical device having biologically active polymeric casing An implantable medical device has a medical unit, such as a pacemaker lead, and a casing at least partially enclosing the medical unit. The casing is formed of a base polymer such as a polyurethane, a polyurethane copolymer, a fluoropolymer and a polyolefin or a sil... | 11/22/2005 |
| 6949666 | Process for producing polyorganosiloxane with solid-acid zirconium oxide catalyst The method for producing polyorganosiloxane from at least one type of organosilicon compound having a siloxane unit or alkoxysilane by the equilibrating reaction involving cleavage and recombination of the silicon-oxygen bond as a method carried out in the presence ... | 09/27/2005 |
| 6933345 | Reactive grafting and compatibilization of polyhedral oligomeric silsesquioxanes The nanoscopic dimensions of polyhedral oligomeric silsesquioxanes (POSS) and polyhedral oligomeric silicates (POS) materials ranges from 0.7 nm to 5.0 nm and enables the thermomechanical and physical properties of polymeric materials to be improved by providing nan... | 08/23/2005 |
| 6927270 | Process for the functionalization of polyhedral oligomeric silsesquioxanes Efficient processes have been developed for the cost effective functionalization of polyhedral oligomeric silsesquioxane-silanols (POSS-Silanols) and for the manufacture of polyfunctional polyhedral oligomeric silsesquioxanes. The processes utilize the action of bas... | 08/09/2005 |
| 6927301 | Well-defined nanosized building blocks for organic/inorganic nanocomposites Functionalized silsesquioxanes containing from 6 to 24 silicon atoms and minimally about 67 mol percent RSiO3/2 moieties where R is a phenyl group bearing a chemically reactive functional group are highly suitable for use as nanoparticles in producing hig... | 08/09/2005 |
| 6914147 | Polyalkylene oxide porogens having hyper-branches and low dielectric-constant insulators using them The present invention relates to polyalkylene oxide porogens having hyper-branches and low dielectric-constant insulators using them. More particularly, the present invention relates to polyalkylene oxide porogens having hyper-branches expressed by the following for... | 07/05/2005 |
| 6911518 | Polyhedral oligomeric -silsesquioxanes, -silicates and -siloxanes bearing ring-strained olefinic functionalities Processes have been developed for the manufacture of polyhedral oligomeric silsesquioxanes (POSS), polysilsesquioxanes, polyhedral oligomeric silicates (POS), and siloxane molecules bearing reactive ring-strained cyclic olefins (e.g. norbornenyl, cyclopentenyl, etc.... | 06/28/2005 |
| 6875880 | Silylation of hydroxyl groups A compound having a non-silanol hydroxyl group and a compound having a silanol group are subjected to dehydrative condensation in the presence of a compound of formula (1), (2) or (3): MXn  (1) ZaSiR1b | 04/05/2005 |
| 6861546 | Method of purifying alkoxysilanes A mixture containing a monohydric alkyl alcohol and an alkoxysilane is purified by (i) adding an organic salt or an inorganic salt to the monohydric alkyl alcohol and the alkoxysilane; (ii) mixing the organic or inorganic salt with the monohydric alkyl alcohol and t... | 03/01/2005 |
