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Class 252/573 - Si-containing


Subclass of Class 252 - Compositions
Definition: Subject matter wherein the fluent material contains silicon
No. of patents: 77
Last issue date: 01/24/2012


1    
NumberTitleIssue Date
8101098Additive comprising azomethine compounds
The present invention relates to a mixture of an oligomeric, blocked aminosilane (azomethine structure) and a monomeric, blocked, primary amine (azomethine structure). This mixture is suitable in particular as a curing agent, crosslinker and adhesion promoter. ...
01/24/2012
7141188Organic compositions
The present invention provides a composition comprising: (a) dielectric material; and (b) porogen comprising at least two fused aromatic rings wherein each of the fused aromatic rings has at least one alkyl substituent thereon and a bond exists between at least two ...
11/28/2006
7056869Hydrocarbon fluids
Hydrocarbon fluids are provided which have ASTM D-86 boiling point ranges within 235° C. to 400° C. and a naphthenic content greater than 60%, the naphthenics containing polycyclic materials, the fluids preferably have an aromatic content below 2% and an aniline p...
06/06/2006
6900923Siloxane matrix polymers and SPD light valve films incorporating same
A film suitable for use as a light-modulating unit of a suspended particle device (SPD) light valve. The film comprises a siloxane matrix polymer which has a refractive index>1.4630 and has droplets of a liquid light valve suspension distributed within the matrix. T...
05/31/2005
6764718Method for forming thin film from electrically insulating resin composition
A method for forming an electrically insulating thin film coating the surface of an electronic device with an electrically insulating thin-film-forming resin composition and crosslinking the composition by a method selected from the group consisting of heating and i...
07/20/2004
6673274Dielectric compositions and methods to form the same
The invention provides dielectric compositions and methods of forming the same. The dielectric compositions may be used to form dielectric layers in electronic devices such as multilayer ceramic capacitors (MLCCs) and, in particular, MLCCs which include b...
01/06/2004
6645403Multiphase electrorheological fluid
Disclosed herein is a multiphase electrorheological fluid having an improved yield stress and stability. The multiphase electrorheological fluid comprises a first liquid phase component as a continuous oil phase; particles dispersed in the continuous oil ...
11/11/2003
6271021Microscale devices and reactions in microscale devices
The movement and mixing of microdroplets through microchannels is described employing silicon-based microscale devices, comprising microdroplet transport channels, reaction regions, electrophoresis modules, and radiation detectors. The discrete droplets a...
08/07/2001
5948852Process for preparing non-aqueous dispersions and their use
Process for preparing non-aqueous dispersions, wherein a liquid prepolymer is emulsified in a non-aqueous liquid, the droplet size of the emulsion is adjusted to 0.1 to 30 μm and the droplet size distribution U90 is adjusted to less than 2 by ...
09/07/1999
5948929Fluorosilicon compounds and preparation method
A fluorinated organosilicon compound is represented by formula (I). ##STR1##...
09/07/1999
5871673Uninflammable insulating liquid
An uninflammable insulating liquid is obtained by adding an emulsifying agent having a volume ratio of 1 to 3% to an insulating liquid containing a fluorocarbon liquid of at least 25% in a volume ratio to cause emulsification. In this liquid mixture, when...
02/16/1999
5672298Electro-sensitive composition
An electro-sensitive composition comprising a fluorine compound having a predetermined structure, and an electrically insulating medium capable of dissolving this fluorine compound when a voltage is applied thereto, is disclosed. This electro-sensitive co...
09/30/1997
5510549Fiber optic cable and viscous filler material
The invention provides a fiber optic cable and a diamondoid-based viscous filling material for a fiber optic cable....
04/23/1996
5510058Electro-sensitive composition
An electro-sensitive composition comprising a fluorine compound having a predetermined structure, and an electrically insulating medium capable of dissolving this fluorine compound when a voltage is applied thereto, is disclosed. This electro-sensitive co...
04/23/1996
5496483Electroviscous liquid based on dispersed modified polyethers
Disclosed are electroviscous liquid essentially containing A) A linear and/or branched, eventually functionalized, polyether or the monomers thereof, the conversion product of such polyether resp. such monomer with mono- or oligo functional compounds and event...
03/05/1996
5480573Electrorheological fluid compositions containing alkylmethylsiloxanes
The present invention relates to an electrorheological fluid comprising solid particles, an alkylmethylsiloxane compound, and an organofluoro compound. Preferred solid particles include zeolite and sulfate ionomers of aminofunctional siloxanes. The ER flu...
01/02/1996
5391314Electroviscous fluid composition comprising a silicone oil, synthetic fluorinated oil and an addition polymer
An electroviscous fluid composition comprising a dispersion medium of two nonmiscible components (A) and (B) as below, the volum ratio of (A)/(B) being in the ratio 99/1-1/99, and a dispersoid (C) as below; wherein the true specific gravity of the dispers...
02/21/1995
5294426Electrorheological fluid compositions
Electrorheological fluid compositions of this invention are dispersions in an electrically insulating medium of 10 to 50% by volume of spherical silica particles prepared by hydrolyzing a silicon alkoxide of the general formula Si(OR)4 in which...
03/15/1994
5250209Thermal coupling with water-washable thermally conductive grease
A water washable thermally conductive grease useful for thermal coupling of electronic chips and heat sinks in electronic modules comprises a hydrophilic alkylene oxide modified silicone carrier, and up to 90 weight percent of a microparticulate thermally...
10/05/1993
5187639Capacitor and method of manufacturing the same
A monomolecularfilm which can be used as a dielectric film is obtained on a substrate surface. For example, an aluminum foil electrode substrate having a natural oxide film is obtained by chemically adsorbing a chlorosilane-based surface active material c...
02/16/1993
5171482Silicone composition which does not cause faulty conduction at electrical contacts, and method for preventing conduction faults
A silicone composition containing a carboxylic acid amide which develops a vapor pressure during its use in an electrical device prevents faulty conduction at electrical contacts which are caused by silicone vapor. Electrical devices made by bringing the ...
12/15/1992
5143708Tetracosahedral siliceous particles and process for preparation thereof
Active analcime having a chemical composition comprising 60 to 95% by weight of SiO2, 0.3 to 20% by weight of Al2 O3 and 0.02 to 11% by weight of Na2 O based on the three components, an X-ray diffraction pattern...
09/01/1992
5130041Silicone fluid compositions having reduced viscosity temperature coefficient
Silicone hydraulic compositions, comprising a polydimethylsiloxane fluid and a phenylmethylsiloxane/dimethylsiloxane copolymer having a viscosity at least ten fold greater than said polydimethylsiloxane fluid and having a molar phenylmethylsiloxane conten...
07/14/1992
5106522Fluid compositions
An electro-rheological fluid which comprises a solid particulate substance contained in a hydrophobic vehicle which is liquid at atmospheric pressure at least at temperatures below 50° C. and which comprises a compound of the formula: (X)n --A...
04/21/1992
5103371Capacitor and process for production thereof
Disclosed in this invention is a capacitor comprising a dielectric thin film being sandwiched by two layers of thin film electrodes directly or through interposition of a suitable thin film, and lead electrodes connected to said thin film electrodes, said...
04/07/1992
5094769Compliant thermally conductive compound
A compliant thermally conductive, preferably dielectric, compound that enhances the power dissipation capability of high-powered electrical components such as bipolar VLSI semiconductor chips. The compound has chemically stable thermal conduction and visc...
03/10/1992
5014033Dielectric liquid compositions containing hydroxybenzaldehyde
Novel dielectrically improved liquid compositions include at least one electrical insulating oil (A), e.g., benzyltoluene or oligomers thereof, and at least one aldehyde (B) containing at least six carbon atoms, or a functionally substituted such aldehyde...
05/07/1991
4994198Electrorheological fluids based on silicone ionomer particles
This invention relates to an electrorheological (ER) fluid composition comprising a suspension of a solid silicone ionomer in an electrically non-conducting liquid wherein the silicone ionomer is a reaction product of (I) an amine functional diorganopolys...
02/19/1991
4967039Insulating liquids and electric cables
A silicone base oil for use as impregnant in an electric power cable for fire hazard conditions is rendered non-gassing by the addition of about 2-8% of an aryl alkane having at least two benzene rings spaced apart by not less than one nor more than two a...
10/30/1990
4935165Method for preventing the poor conduction at electrical switch contacts which is caused by organopolysiloxane gas
The poor electrical conduction at an electrical switch contact caused by organopolysiloxane gas can be prevented by providing that a nitrogenous base gas be simultaneously present with the organopolysiloxane gas. Nitrogeneous base gases can be aliphatic a...
06/19/1990
4843517Film capacitor
The dielectric polymeric film in the inventive film capacitor is formed from a cyanoalkyl-containing organopolysiloxane represented by the average unit formula in which R1 is a cyanoalkyl group having 3 to 5 carbon atoms, R2 is a hyd...
06/27/1989
4812251Electro-rheological fluids/electric field responsive fluids
An electro-rheological fluid comprising a hydrophilic solid and a hydrophobic liquid component wherein the hydrophobic liquid component comprises a fluorosilicone whose average molecular weight is in the range 200-700....
03/14/1989
4803100Suspension and use thereof
A suspension of a coating material having hydrogen bonds and pre-determined physical and chemical characteristics in a predominantly solid state in a polar solvent that is capable of breaking the hydrogen bonds and providing the material in a liquid form ...
02/07/1989
4775493Flame-retardant silicone fluid composition
Silicone fluid-based electric insulation oils can be imparted with greatly enhanced flame retardancy when the base organopolysiloxane contains 0.1 to 30% by moles of vinyl groups relative to the monovalent hydrocarbon groups bonded to the silicone atoms a...
10/04/1988
4755275Electrical insulating oil
A process for preparing an electrical insulating oil comprising a reaction product having a boiling range of higher than 260° C. obtained by treating a hydrocarbn feed at a reaction temperature in the range of 0° to 300° C. in liquid phase in the prese...
07/05/1988
4702855Electroviscous fluids
Electroviscous fluids are disclosed which are composed of aluminum silicates particles in an electrically non-conductive liquid and a suitable dispersing agent. The atomic ratio of Al/Si on the surface of the aluminum silicate lies within the range of 0.1...
10/27/1987
4645614Electroviscous liquids
The electroviscous suspension is based on a mixture of aqueous silica gel with silicone oil as the liquid phase to which a dispersant is added. The dispersant consists of amino functional or silicon-functional polysiloxanes having a molecular weight above...
02/24/1987
4642444Electrical machining fluid and method utilizing the same
A novel, nonflammable, high-performance and economical machining fluid of the invention contains an organic or semi-organic substance other than hydrocarbons at a proportion of 0.1 to 5% by weight and the balance essentially water. The machining fluid may...
02/10/1987
4640792Silicone brake fluid having reduced air solubility
A random siloxane copolymer composition, and a process for using the composition in a hydraulic brake system of a vehicle, is described. The random copolymer consists essentially of alkylmethylsiloxane and dimethylsiloxane units, wherein said alkyl group ...
02/03/1987
4580002Method and apparatus for replacing flammable oil in an electrical cable and cable so treated
Method and apparatus for replacing flammable, insulating oil in an oil-filled electric cable by non-flammable, insulating oil in which the flammable oil is withdrawn at least from the cable oil duct under vacuum and with heating of the cable to its maximu...
04/01/1986
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