"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."
Compounds containing carbon-carbon double bonds and/or carbon-carbon triple bonds are hydrosilylated with linear organopolysiloxanes having diorganosiloxy units and Si—H groups, produced by reacting diorganodichlorosilanes and monochlorosilanes and optionally dich...
|8093419||Method of producing organosilicon compound|
A method of producing an organosilicon compound includes substituting at least an OR1 group of a compound shown by the following general formula (1) to obtain a compound shown by the following general formula (2), Si(OR1)3-m
|7915438||Solid phase host compositions|
A new family of silicon-based polymers has been prepared in which organic host components are bound covalently. The polymer is a polysilsesquioxane matrix comprising, for example, hosts such as cyclodextrins (CD) or calixarenes (CX). ...
|7479566||Method for preparation of alkoxysilanes having reduced halide|
Polysiloxane hydrolyzates are neutralized by treating polysiloxane hydrolyzates containing residual acidic constituents with carbon, and then the carbon is removed from the treated neutralized polysiloxane hydrolyzate. Some examples of polysiloxane hydrolyzates that...
A polymer having α,β unsaturated groups and a group that generates a free radical when exposed to actinic radiation. The polymer may be self-cross-linking. ...
Monomers for polymers having high oxygen permeability, high water content and a low modulus of elasticity are provided, and polymers and ophthalmic lenses comprised of said monomers are provided. They are monomers represented by formula (1) or (2) below: X...
|7307178||Processes of making γ,δ-unsaturated carboxylic acid and silyl ester thereof, carboxyl group-containing organosilicon compound and process of making|
A γ,δ-unsaturated carboxylic acid silyl ester is prepared by reacting an α,β-unsaturated carboxylic acid ester with a hydrosilane or hydrosiloxane in the presence of tris(pentafluorophenyl)borane. γ,δ-Unsaturated carboxylic acid derivatives are readily prepare...
Disclosed are colorant compounds of the formula wherein R, R1, R2, R3, and R4 each, independently of the others, is an alkyl group, an aryl group, an arylalkyl group, o...
|7291747||Silicon compounds and process for preparation thereof|
An organic silicon compound, having high reactivity, represented by the following Formula (1): wherein R and M are defined in the specification. The organic silicon compound is produced by reacting polysilsesquio...
|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. ...
|7192684||Polymerizable silicon-containing compound, manufacturing method, polymer, resist composition and patterning process|
Polymerizable silicon-containing compounds of formula (1) wherein R1 is hydrogen, halogen or monovalent organic group are polymerized into polymers. A resist composition comprising the polymer as a base resin is sensitive to high-energy radiation, has exc...
|7132294||Functionalized small molecules for use in chemical sensors|
The invention provides a device for selective molecular recognition, the device comprising a sensing portion, wherein said sensing portion includes a substrate having coated thereon a layer comprising a non-volatile, small molecule compound having at least two penda...
|7129370||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...
|7105582||Surface-active siloxane photoinitiators|
Compounds of the formula I are suitable photoinitiators which accumulates at the surface of the formulation in which R is for example phenyl and A is a surface-active radical of the formula III ...
An antifoam formulations comprise (A) antifoam agent based on siloxanes and (B) branched polyether/polysiloxane copolymers comprising structural units of the formula Y[—CnH2n—(R
|7074840||Light adjustable lenses capable of post-fabrication power modification via multi-photon processes|
The invention relates to novel photoinitiators and their use in light adjustable compositions. The initiatives comprise two or more multiphoton chromophores linked by a bridging compound. The bridging compound consists of a material that is compatible with the base ...
|7053233||Silane compound having at least two protected functional groups and method for preparing the same|
A silane compound of the following formula (1) having two or more protected functional groups A-R—Si(CH3)nX3-n (1) wherein A represents a group of the following formula
|7034152||Process for preparing the antiviral agent [1S-(1alpha,3 alpha,4beta )]-2-amino-1,9-dihydro-9-[4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one|
Processes are disclosed for preparing the antiviral agent entecavir. A resin adsorption process for the isolation and purification of entecavir is also disclosed. Various intermediates useful in the preparation of entecavir are also disclosed. ...
|7023347||Method and system for forming a die frame and for transferring dies therewith|
A method, system, and apparatus for a die frame, and for transferring integrated circuit dies therewith, is described. In one aspect for making a die frame, a wafer that comprises a plurality of dies is attached to a surface of a tape structure. A grid of grooves is...
|7019150||1-deoxy taxol analogs|
1-Deoxybaccatin III, 1-deoxytaxol and 1-deoxy taxol analogs and method for the preparation thereof. ...
To provide a primer composition having an excellent balance between storage stability and adhesiveness, while permitting a longer open time. The primer composition includes: a compound (a) represented by the following formula (1):
|6960679||Preparation of silyl ketene acetal and disilyl ketene acetal|
By reacting α,β-unsaturated carboxylic esters with hydrosilanes or hydrosiloxanes in the presence of a catalytic amount of tris(pentafluorophenyl)borane, silyl ketene acetals or disilyl ketene acetals with high purity are produced in high yields. ...
|6943265||Method for the production of hydroxyalkyl polysiloxanes|
The invention relates to a method for the production of hydroxyalkyl polysiloxanes of general formula (V) (SiO4/2)k(R12SiO3/2)m(R12SiO2/2)p(R1
|6918931||Prepolymers with yellow dye moiety|
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 ...
A composition that is a reaction product of two or three moieties. The first moiety (A) is a nonpolymeric, multi-functional moiety or combination of mono- or multifunctional moieties that adsorbs onto a cementitious particle. The second required moiety (C) is a line...
A cosmetic material comprising as essential cosmetic constituents (A) a silicone-branched silicone compound and (B) a silicone-branched polyether-modified silicone compound. ...
|6784306||Fluorinated organosilicon compounds|
Fluorinated organosilicon compounds having at least one fluorinated organic group and at least three SiH groups in a molecule are capable of hydrosilylation reaction with such compounds as vinyl group-bearing fluoro-polymers in a stable manner and fully compatible t...
A process for the production of a silicon-containing polymer having a main chain of oxygen atoms, organic groups and Si—H and a process for the production of a silicon-containing polymer having a main chain of oxygen atoms, organic groups and disubstituted silicon...
|6576623||Silicone compound and cosmetic materials containing the same|
A silicone compound useful in cosmetic materials and skin cleansing compositions which have no oily feel although they spread easily and smoothly, give moist, fresh and dry feelings to the users, have durable effects, and are highly stable to temperature ...
|6570032||Compounds containing vinyl silane and electron donor or acceptor functionality|
Compounds containing vinyl silane and electron donor or electron acceptor functionality can be used as adhesion promoters or as the main resin in curable compositions....
|6552213||Stereoselective route to produce tris-O-substituted-(E)-1-(3,5-dihydroxyphenyl)-2-(4-hydroxyphenyl)ethene, an intermediate in the synthesis of trans-resveratrol|
The present invention relates to a new stereoselective method for the preparation of tris-O-substituted-(E)-1-(3,5-dihydroxyphenyl)-2-(4-hydroxyphenyl)ethene derivative of the formula (I) which is a key intermediate in the synthesis of trans-resverat...
|6329489||Process for producing reactive silane oligomers|
The invention is directed to a process for making a reactive silane oligomer having low polydispersity, viscosity and volatility. The process utilizes reacting unsymmetrical difunctional silane monomers with water, diol monomers, or a combination thereof ...
|6258914||Silane functional oligomer|
Alkoxy silane oligomers which have a non-hydrolyzable carbon bridged bond to another silane functionality are taught herein, as well as their manufacture and utility....
Compounds of formula I ##STR1## wherein X is C.dbd.CH2 or CH2 ; Y and Z are independently of each other hydrogen, fluorine or hydroxy; A is --C.tbd.C--, --CH.dbd.CH-- or --CH2 --CH2 --, R1 and R2 are...
|6075015||Vitamin D compounds and method of preparing these compounds|
Vitamin D3 analogues of the formula (I): ##STR1## wherein R1 is hydrogen or hydroxy, R2 is (C1 -C3)alkyl, hydroxy(C1 -C3)alkyl, (C1 -C2)alkoxymethyl, (...
|6066727||Organopolysiloxane-grafted polysaccharide compound|
Disclosed is a novel method for the preparation of an organo-polysiloxane-grafted polysaccharide compound which is particularly useful as an additive ingredient in various types of cosmetic and toiletry preparations. The method utilizes a reaction between...
|6013823||Trans-pentavalent 2-15-deoxy-16-hydroxy-16-methyl-PGE1 methyl ester (B-407)|
Analogs of the prostaglandin PGE1 are disclosed. These compounds exhibit uterotonic properties, enhancing the response to PGF2 in isolated rat uteri. The compounds also exhibit other pharmacological properties, as inhibitors ...
|5990332||Metal compound of aromatic hydroxycarboxylic acid, charge control agent, toner, and powdery paint|
Metal compound of formula [I] which is excellent in charge control or charge-enhancing property, and toner for developing electrostatic images and powdery paint for electrostatic painting incorporating thereof: ##STR1## wherein R1, R2...
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, shows only slight polymerisation shrinkage and produces po...
|5786493||Cyclic silane esters and solvolysis products thereof, and processes for the preparation of the cyclic silane esters and the solvolysis products|
Cyclic silane esters and solvolysis products thereof and processes for making these materials. The cyclic silanes and their solvolysis products are useful as adhesives, crosslinking agents and reagents for modifying polymers containing ester groups....