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| Number | Title | Issue Date |
| 7662984 | Preparation of Si—Si bond-bearing compounds Si—Si bond-bearing compounds are effectively prepared by irradiating with radiation or heating Si—H group-bearing silicon compounds in organic solvents in the presence of iron complex catalysts. The Si—Si bond-bearing compounds are useful as a base material in... | 02/16/2010 |
| 7253243 | Organosilicon compounds and method of manufacturing the same There is provided a method of synthesizing an organosilicon compound. This method comprises polymerizing, as a starting material, allyl-(4-alkynyl-phenyl) silane represented by the following general formula (3) in a solvent selected from methylene chloride, chlorofo... | 08/07/2007 |
| 7220813 | Application of photocurable pre-ceramic polymers A process for synthesizing photocurable poly(ethynyl) carbosilane includes the steps of mixing dichlorosilane and trichlorosilane reagents, adding sub-stoichiometric amounts of alkali metal and adding excess sodium acetylide. ... | 05/22/2007 |
| 7135242 | Electroluminescent polymer, bisfluorenylsilane compound and organic electroluminescent element An electroluminescent polymer which has repeating units represented by formula (1) is obtained by polymerizing a bisfluorenylsilane compound which has specified substituent groups. In spite of the fact that this el... | 11/14/2006 |
| 7125514 | Process for producing reinforcing SiC fiber for SiC composite material A mixed polymer liquid is prepared by mixing a polycarbosilane-dissolved organic solvent with poly(methylsilane) and moderated to viscosity of 5–20 Pa·s by heat-treatment to promote partial cross-linking reaction. The mixed-polymer is then melt-spun to fiber at 2... | 10/24/2006 |
| 7108922 | Siloxane-based resin and interlayer insulating film formed using the same A siloxane-based resin having a novel structure and a semiconductor interlayer insulating film using the same. The siloxane-based resins have a low dielectric constant in addition to excellent mechanical properties and are useful materials in an insulating film betw... | 09/19/2006 |
| 7022867 | Silicon compound and method for making the same A silicon compound having a repeating unit represented by the following general formula (1): wherein R is a hydrogen atom, a straight or branched alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted a... | 04/04/2006 |
| 7005281 | Enzymatic process for preparing organosilicon group containing photoinitiators The invention relates to a process for preparing organosilicon group containing photoinitiators of the formula (I), wherein m is a number from 1 to 200; q is 0 or 1; A is IN-C(O)—O—CHR3—Y— or IN-C(O)—NH—CHR3—Y—; A′ is A or R | 02/28/2006 |
| 6989428 | Methods of preparing polysilynes The invention involves new syntheses for poly(methyl- and ethyl-silyne). The invention also includes silicon carbide (SiC) ceramics that can be produced from poly(methylsilyne), as well as other ceramics, which can be produced from these precursors by modified proce... | 01/24/2006 |
| 6918987 | Surface preparation of rubber for coatings or bonding The disclosure is directed to a treatment composition comprising a halogen bearing compound, a volatile siloxane fluid and at least one solvent. In another aspect, there is disclosed a method for treatment of molded rubber articles by applying a treatment compositio... | 07/19/2005 |
| 6841163 | High internal aqueous phase water-in-oil type emulsion cosmetic composition A high internal aqueous phase water-in-oil type emulsion cosmetic composition comprising a cross-linkable polyether-modified silicone in an amount of 0.1 to 10.0% by weight and a water-soluble polymer having a weight average molecular weight of 2000 to 300,000, an i... | 01/11/2005 |
| 6812311 | Highly stable packaging substrates A method of producing a highly stable packaging substrate in which are provided a first precursor having a first backbone and a first ethynyl group, and a second precursor having a second backbone and a second ethynyl group. Furthermore provided is a crosslinker hav... | 11/02/2004 |
| 6800777 | Trialkylsilanes for use in chromatographic applications, substrates including such compounds and methods of producing the same The invention includes a trialkylsilane comprising a hydrocarbon backbone including one to ten carbon atoms; a terminal trialkylsilyl moiety having at least two alkyl groups independently comprising at least six carbon atoms; and a terminal silyl moiety that has at ... | 10/05/2004 |
| 6737124 | Liquid crystal compounds having a silane tail with a perfluoroalkyl terminal portion Chiral nonracemic, chiral racemic and achiral compounds useful as component of LC compositions which have a silane tail group which is partially fluorinated. The silane tail group comprises a perfluoroalkyl group. The silane tail group of this invention has the form... | 05/18/2004 |
| 6706424 | 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 elctroluminescent device using the compound are provided, wherein n is an integer from 2 to 10, k represents any of integers ... | 03/16/2004 |
| 6538055 | Polysilane stabitizers containing sterically hindered amine groups A compound containing a silane backbone and a group of formula (A) wherein R is hydrogen, C1 -C8 alkyl, --O, --OH, --CH2 CN, C1 -C18 alkoxy, C5 -C12 cycloalkoxy, C3 -C... | 03/25/2003 |
| 6403750 | Apparatus and process for making ceramic composites from photo-curable pre-ceramic polymers A process for fabricating ceramic composites employs a thermoplastic photo-curable pre-ceramic polymer in which the component is shape by a variety of standard composite fabrication techniques, such as filament winding, tape winding, and woven cloth windi... | 06/11/2002 |
| 6365698 | Grafted polysilanes useful as photoinitiators and process for preparing same Grafted-polysilanes with a greater efficiency for the photoinitiation of vinyl type resins are provided. These grafted polysilanes which include both grafted cyclic polysilanes and grafted networked polysilanes have variable composition and length molecul... | 04/02/2002 |
| 6337415 | Process for preparing tetrakis (trimethylsily) silane and tris (trimethysilyl) silane Tetrakis(trimethylsilyl)silane is prepared by reacting tetrachlorosilane with chlorotrimethylsilane in the presence of lithium metal, adding a compound with active proton(s) to the reaction mixture for treating the residual lithium metal therewith while m... | 01/08/2002 |
| 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 devices which comprise said materials to acquire high luminous... | 10/30/2001 |
| 6307083 | Specific silane compounds, method of synthesizing them, luminescent device materials comprising them, and luminescent devices containing such materials Silane compounds represented by formula (1), a synthesis method thereof, luminescent device materials comprising such silane compounds, and luminescent devices containing such materials: ##STR1## wherein each of R1 and R2 groups repr... | 10/23/2001 |
| 6255430 | Polysilanes and process for preparation of same The invention is directed to a polysilane represented by the formula (1) ##STR1## wherein R is hydrogen atom, alkyl group, aryl group, alkoxy group, amino group or silyl group, R's may be the same or at least two of them may be different from each other; ... | 07/03/2001 |
| 6174982 | Process for the preparation of polysilanes A method for producing polysilanes comprising subjecting a dihalosilane of the general formula ##STR1## (wherein m is 1 to 3; R represents hydrogen atom, alkyl group, aryl group, alkoxy group, amino group or silyl group and two Rs are the same or dif... | 01/16/2001 |
| 6166234 | Tripodal cyclopentadiene derivatives and their use Novel tripodal cyclopentadiene derivatives have the formula (I) ##STR1## where E are identical or different and are --N(R)(R), --P(R)(R), --As(R)(R), --Sb(R)(R), --OR, --SR, --SeR, --TeR, where R are identical or different and are each hydrogen, a C | 12/26/2000 |
| 6136940 | Silacyclobutane compounds, methods of preparing same, and polymers formed therefrom A silacyclobutane compound having the formula: ##STR1## wherein R1 and R2 are independently chloro, triorganosiloxy, organooxy, triorganosilyl, or a monovalent hydrocarbon group; R3 is a monovalent hydrocarbon group f... | 10/24/2000 |
| 6124491 | Polycondensates and polymerizates made from hydrolyzable and polymerizable silanes The invention includes hydrolyzable and polymerizable silanes, methods of making them and using them to obtain silicic acid(hetero)polycondensates and silicic acid(hetero)polymerizates. The hydrolyzable and polymerizable silanes have the formula I, #... | 09/26/2000 |
| 6114500 | Purification of organic silicon polymer An organic silicon polymer is purified by washing at least once a solution of an organic silicon polymer with aqueous hydrochloric acid having a concentration of at least 0.001 N, and washing the solution at least twice with ultrapure water having a resis... | 09/05/2000 |
| 6020447 | Sonichemical synthesis of silicon carbide precursors and methods for preparation thereof A process is provided that involves reductive coupling of polysilane precursors to form polysilane in the presence of ultrasonification. The resulting precursors, upon pyrolysis, lead to improved SiC ceramic product. Ultrasonification can be used to produ... | 02/01/2000 |
| 6005036 | Polysilanes A composition containing an organic material subject to oxidative, thermal or actinic degradation can be stabilized by an effective amount of at least one polysilane compound of formula I ##STR1## Preferred compounds are where q is zero, p is 2 to 50... | 12/21/1999 |
| 5939577 | Method for the synthesis of chlorosilanes A novel method for the synthesis of chlorinated or partially chlorinated organosilanes and organopolysilanes. The chlorination is effected by contacting an organosilanes or organopolysilanes with anhydrous CuCl2 in a nonpolar alkane solvent, pr... | 08/17/1999 |
| 5879589 | Process for antistatic treatment of resin and antistatic resin composition The present invention provides a process for the antistatic treatment of a resin which comprises dispersing the following organically-modified layer silicate in a synthetic resin in the state that the following specific state is attained. A novel resin co... | 03/09/1999 |
| 5874603 | Branched higher alkylsilanes A branched alkylsilane includes a branched hydrocarbon backbone which has a linear or branched alkylsilyl moiety extending asymmetrically from the backbone such that the backbone has a first portion and a second portion extending from the moiety. The seco... | 02/23/1999 |
| 5830972 | Polysilane, its production process and starting materials therefor A polysilane is disclosed whose main chain skeleton has a repeating unit represented by the general formula (1): ##STR1## wherein R1 represents a substituted or unsubstituted alkyl cycloalkyl, aryl or aralkyl group; X is a atom having an u... | 11/03/1998 |
| 5798428 | Method of preparing polysilanes and resultant products There is disclosed a method of making polysilanes by polymerization of a silane in the presence of a catalyst comprising a phosphine-stabilized polyhydride of an early transition metal of Groups 4 to 7 of the Periodic Table and the resultant polysilanes w... | 08/25/1998 |
| 5773639 | Layer forming material and wiring forming method A layer forming material is a compound which has a structure of six-membered ring coordinated to Cu and containing Si, and of which general formula is represented by the following chemical formula: ##STR1## wherein X1 and X2 are... | 06/30/1998 |
| 5710301 | Organosilicon compounds The present invention provides an oganosilicon compound possessing a ଲ-branched alkyl group or a ଲ-branched aralkyl group represented by Formula (I): ##STR1## wherein R1 represents methyl group or ethyl group; R2 rep... | 01/20/1998 |
| 5670683 | Racemic metallocene complexes and their preparation Cyclopentadineyl compounds of the formula II ##STR1## and formula III ##STR2## their preparation and their use as intermediates in the preparation of metallocene complexes of the formula I.... | 09/23/1997 |
| 5663271 | Polysilanes and method for producing the same A polysilane of Formula [I] or [II]: ##STR1## (wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13 an... | 09/02/1997 |
| 5637667 | Thermosetting resin composition A thermosetting resin composition, containing (A) a thermosetting resin; (B) a curing agent for the thermosetting resin; (C) a polysilane copolymer; and (D) an inorganic filler; wherein the polyailane copolymer (C) is added in amount of about 0.1 to 10% b... | 06/10/1997 |
| 5633312 | Process for preparing polyorganosilane Disclosed is a process for preparing a polyorganosilane which comprises subjecting a disilane compound having at least two substituted or unsubstituted hydrocarbyloxy groups in one molecule to disproportionation reaction in the presence of a catalyst comp... | 05/27/1997 |
