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Class 556/443 - Plural silicons attached by a chain consisting of oxygen and carbon, which chain may be part of a ring


Subclass of Class 556 - Organic compounds -- part of the class 532-570 series
Definition: Compounds in which at least two silicons are attached to
No. of patents: 143
Last issue date: 01/10/2012


1        
NumberTitleIssue Date
8093419Method 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
01/10/2012
7915438Solid 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). ...
03/29/2011
7479566Method 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...
01/20/2009
7364834Functional polymer
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. ...
04/29/2008
7317117Siloxanyl-containing monomers
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...
01/08/2008
7307178Processes 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...
12/11/2007
7304173Colorant compositions
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...
12/04/2007
7291747Silicon 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...
11/06/2007
7241851Silicone 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
7192684Polymerizable 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...
03/20/2007
7132294Functionalized 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...
11/07/2006
7129370Silicon 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...
10/31/2006
7105582Surface-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 ...
09/12/2006
7105581Antifoam formulations
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
09/12/2006
7074840Light 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 ...
07/11/2006
7053233Silane 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
05/30/2006
7034152Process 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. ...
04/25/2006
7023347Method 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...
04/04/2006
70191501-deoxy taxol analogs
1-Deoxybaccatin III, 1-deoxytaxol and 1-deoxy taxol analogs and method for the preparation thereof. ...
03/28/2006
6974500Primer composition
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):
12/13/2005
6960679Preparation 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. ...
11/01/2005
6943265Method 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
09/13/2005
6918931Prepolymers 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 ...
07/19/2005
6908955Oligomeric dispersant
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...
06/21/2005
6790451Cosmetic material
A cosmetic material comprising as essential cosmetic constituents (A) a silicone-branched silicone compound and (B) a silicone-branched polyether-modified silicone compound. ...
09/14/2004
6784306Fluorinated 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...
08/31/2004
6753401Silcon-containing polymers
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...
06/22/2004
6576623Silicone 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 ...
06/10/2003
6570032Compounds 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....
05/27/2003
6552213Stereoselective 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...
04/22/2003
6329489Process 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 ...
12/11/2001
6258914Silane 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....
07/10/2001
6184422Cyclohexanediol derivatives
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...
02/06/2001
6075015Vitamin 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, (...
06/13/2000
6066727Organopolysiloxane-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...
05/23/2000
6013823Trans-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 ...
01/11/2000
5990332Metal 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...
11/23/1999
5889132Dental 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, shows only slight polymerisation shrinkage and produces po...
03/30/1999
5786493Cyclic 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....
07/28/1998
5733895Screening cosmetic composition comprising one nanopigment of metallic oxide and fat-soluble screening polymer
This invention relates to a filtering cosmetic composition characterized in that it is comprised, in a cosmetically acceptable carrier, at least one nanopigment of metal oxides selected amongst titanium, zinc, cerium, zirconium, iron oxides or mixtures th...
03/31/1998
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