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5824761 |
Radiation curable compositions containing vinyl ether functionality and methods for their preparation
The present invention relates to radiation curable silicone vinyl ethers and methods for preparing silicone vinyl ethers. More particularly, the present invention relates compositions containing...
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5820944 |
Ultraviolet-curable composition and method for forming cured-product patterns therefrom
The present invention pertains to a curable composition which comprises a) a N-substituted 4-(o-nitrophenyl)dihydropyridine which constitutes a base-generating substance that is caused to generate...
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5817730 |
Organosilicone having a carboxyl functional group thereon
A polysiloxane composition including an amphoteric class of organosilicone composition is provided having the formula: ##STR1## wherein: R 1 , which can be the same or different, is selected from R...
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5811564 |
Polycarbosilane hydroxides and methods for their preparation
This invention pertains to polycarbosilane hydroxides which contain units of the formula ##STR1## where R is a hydrocarbon having from 1 to 20 carbon atoms and to methods for their manufacture. The...
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5807961 |
Polyamic acid, polyimide film and liquid crystal aligning film and liquid crystal display element using the formers
This invention is directed to a polyimide film useful as use applications for electronic materials; a liquid crystal aligning film using the same; a liquid crystal display element provided with the...
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5807954 |
Metal-nitrogen polymer compositions comprising organic electrophiles
The compositions of this invention comprise uncrosslinked reaction mixtures comprising (1) at least one organic monomer, oligomer or polymer comprising a multiplicity of organic, electrophilic...
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5798430 |
Molecular and oligomeric silane precursors to network materials
The present invention pertains to molecular and oligomeric organo-silicon compounds bearing fluorine atoms, soluble in fluorinated solvents and useful as precursors to network materials.
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5780531 |
Surface-modified, oxidic or siliceous fillers and their use
The surface-modified fillers according to the invention are manufactured by treating oxidic or siliceous fillers with a silane of the formula R 1 R 2 R 3 Si--X 1 --(--S x --Y--) m --(--S x ...
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5780569 |
Linear carborane-(siloxane or silane)-acetylene based copolymers
A novel organoboron polymer and its method of preparation is claimed. The organoboron polymer has a backbone having a repeating unit comprising at least one carboranyl group, at least two...
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5777051 |
Photoluminescent silacyclobutene monomers and polymers
Silacyclobutene monomers, and polymers based on silacyclobutene building blocks, exhibit photoluminescence in the blue region of the visible spectrum when excited by ultraviolet light.
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5767192 |
Silicone foam control agents for hydrocarbon liquids
The present invention relates to an organopolysiloxane compound having at least one group having the formula ##STR1## wherein R 3 is a divalent hydrocarbon group having from 1 to 20 carbon atoms,...
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5767206 |
Use, as antiadhesives agent and/or water repellents, of grafted functionalized polyorganosiloxanes
The present invention relates to the use, as antiadhesive agents and/or water repellents, of grafted functionalized polyorganosiloxanes consisting of grafted copolymer moieties, derived from at...
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5760155 |
Polysiloxane polyurethane compositions
A polysiloxane polyurethane composition is prepared by combining in the presence of water and in a predetermined proportion an organic di- or polyisocyanate, a polyol, an hydroxyl-containing...
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5756629 |
Method for synthesis of linear inorganic-organic hybrid polymers
A method of preparing a linear inorganic-organic hybrid polymer includes the steps of cooling a reaction medium to a first starting temperature below the ambient temperature and not less than about...
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5756632 |
Systems for premeating molecules of predetermined molecular weight range
A biocompatible, hydrophilic, segmented block polyurethane copolymer which comprises 5 to 45 wt % of a hard segment and 95 to 55 wt % of a soft segment selected from a hydrophilic, hydrophobic and...
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5747622 |
Polymer having silicon atoms and sulfonium salt units and photoresist compositions containing the same
A polymer having silicon atoms and sulfonium salt units in its main chain is provided which is obtained from a reaction between a polymer having silicon atoms, which is obtained by polymerizing...
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5747172 |
Ultraviolet and electron beam curable propenyl-ether silicone release compositions
Silicone release agents comprising propenyl-ether functionalized silicones exhibit a rapid cationic induce photo-cure. Such propenyl-ether functionalized silicones are synthesized by the...
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5739246 |
Preparation of carbonyl functional polysiloxanes
Polysiloxanes having pendant and/or telechelic carbonyl functionality, i.e., aldehyde functionality .tbd.Si--R--CHO or ketone functionality .tbd.Si--R--CRO, are manufactured in high yield by...
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5736583 |
Functional silicone fluids containing a carboxyl functional group thereon
An uncapped polysiloxane composition is provided having the formula: ##STR1## wherein: R is selected from R 2 or --OR 9 wherein R 9 is hydrogen or alkyl; R 1 is selected from R 2 , an amine...
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5733538 |
Surface-modifying copolymers having cell adhesion properties
A hemocompatible surface-modifying additive is provided for modifying polyurethane or polyurethane urea substrates. The additive has a polyurethane or polyurethane urea hard block or an alternative...
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5733998 |
Method, dispersing agent and initiator for the dispersion polymerization of isobutylene
The dispersion polymerization of isobutylene includes a dispersing agent. The dispersing agent is a compound having a CO 2 -phobic moiety and at least one CO 2 -philic moiety. The CO 2 -phobic...
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5734001 |
Fluorosilicone compound and composition containing the same
A novel fluorosilicone compound having at least two hydroxyl groups in its molecule and a curable composition containing such a compound and a commercially available general purpose curing agent;...
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5721328 |
Monomers derived from perhalogenated sultones and polymers obtained from these monomers
The invention relates to monomers derived from perhalogenated sultones, to a process for their preparation, to the polymers obtained from the said monomers and to their use for the production of...
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5700897 |
Method for making fluorescent polymers
A fiber optic sensing device for measuring a chemical or physiological parameter of a body fluid or tissue is provided. To one end of the fiber is attached a polymer including a plurality of...
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5696179 |
Silane oligomer and radiation curable coating composition containing the oligomer
The invention provides a silane-oligomer (A) of the following formula: (R 3 )--X--(R 1 x )--Y--Si(R 2 ) 3 ( 1) wherein R 3 is a group having a functionality that can be polymerized...
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5693840 |
Production of silicon-phosphorus containing compositions
A mixture of silicon and phosphorus are heated and reacted with halide to produce silicon tetrahalides, silicon-phosphorus halide and phosphorus trihalides compositions. These compositions are...
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5691396 |
Polysiloxane compounds and positive resist compositions
The invention provides a novel polysiloxane compound, typically polyhydroxybenzylsilsesquioxane, having some hydroxyl groups replaced by acetal groups and optionally acid labile groups. The...
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5686549 |
Polymers useful in forming self-assembled bonded anisotropic ultrathin layers and their use
Polymers which form ultrathin, chemically adherent, anisotropic films on substrate surfaces impart useful properties to the surface. The polymers can be functionalized with any of a wide array of...
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5681870 |
High temperature thermosets/ceramics from novel hybrid copolymer containing random distribution of boranyl, silyl, or siloxyl, and acetylenic units
Novel class of organoboron thermosetting polymer and ceramics that are fod from an organoboron polymer having a backbone with a repeating of at least one alkynyl group, at least one silyl group, at...
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5661202 |
Heat resistant organopolysiloxane compositions
There is disclosed a heat-resistant agent which exhibits good solubility in various organopolysiloxanes and which confers superior heat-resistance thereto, said heat-resistant agent having the...
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5656197 |
Ferroelectric liquid crystal
A polymer of the following formula: ##STR1## wherein m is an integer from 1 to 100; n is an integer from 0 to 3; each of X and Y, independently, is biphenyl, 1,4-phenylene, or halogen-substituted...
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5654389 |
Alkylpolysiloxanes
The present invention relates to a method for high viscosity bridged alkylpolysiloxane utilizing tetramethyldivinylsiloxane.
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5654362 |
Silicone oils and solvents thickened by silicone elastomers
Silicone gels are made by reacting an .tbd.Si--H containing polysiloxane with an alpha, omega-diene. The reaction is conducted in the presence of a platinum catalyst and in the presence of a low...
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5648444 |
Hydrosilation in esters without hydroxyl moieties
The present invention encompasses manufacturing polysiloxane polyether copolymers using esters without any hydroxyl groups thereon, organohydrogen silanes and unsaturated polyoxyalkylene...
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5641850 |
Process for the preparation of liquid-crystalline polyorganosiloxanes containing (meth)acryloxy groups
Liquid-crystalline polyorganosiloxanes containing methacryloxy and/or acryloxy groups are prepared by reaction of polyorganosiloxanes containing hydrogen atoms bonded directly to silicon atoms with...
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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...
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5633332 |
Polymers based on polyarylene siloxanes and freeradical-polymerizable monomers
Polymers can be obtained by free-radical polymerization of monomers in the presence of a dissolved polysiloxane. The free-radical-polymerizable monomers used are at least one compound of the...
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5627241 |
Sheet and tube organosilicon polymers
A method of making an organopolysiloxane sheet or tube polymer involves contacting a sheet or tube silicate with an organo-H-chlorosilane to form an organosiloxane sheet or tube polymer with...
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5618903 |
Anionically polymerized block copolymers of ethylene and cyclic siloxane monomers
This invention relates to anionically polymerized block copolymers comprised of at least one block polyethylene and at least one block of a polymerized cyclic siloxane monomer, e.g.,...
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5618879 |
Aqueous dispersions of functional graft polyorganosiloxanes and curable silicone compositions comprised thereof
Stable reactive aqueous dispersions of functional graft polyorganosiloxanes, well suited for formulation into curable silicone compositions useful in the production of release- and other coatings...
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5616674 |
Method of preparing polycarbonate-polysiloxane block copolymers
Polycarbonate-polysiloxane block copolymers are prepared by interfacial polymerization technique in the presence or a phase transfer catalyst.
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5610258 |
Crosslinkable nematic polyorganosiloxanes
The crosslinkable nematic polyorganosiloxanes are cyclic polyorganosiloxanes containing at least three different mesogenic side groups per polyorganosiloxane, where at least two mesogenic side...
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5605982 |
Sheet and tube siloxane polymers
Organopolysiloxane sheet or tube polymers are made by contacting a sheet or tube silicate with an alkenyl group containing chlorosilane to form an alkenylsiloxy polymer, and subsequently contacting...
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5605983 |
Soluble organopolysiloxane free-radical macroinitators for graft copolymerization
The invention relates to partially crosslinked organopolysiloxanes which contain a radical forming group, a base-catalyzed process for their preparation, graft copolymers produced from these...
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5602225 |
Process for imparting oil- and water-repellency to textile fibres, skin, leather and the like
A process is described for imparting oil- and water-repellency to textile fibers, skin, leather and the like, wherein a composition comprising a functionalized (per)fluoropolyoxyalkylene with...
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5599883 |
Curable resin composition comprising an acrylic copolymer containing an organohydrogenpolysiloxane macromonomer unit and an alkenyl group-containing acrylic monomer unit
A curable resin composition containing (a) a homo- or copolymer of an organohydrogenpolysiloxane macromonomer, (b) an alkenyl group-containing polymer, and (c) a hydrosilylation catalyst is...
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5589563 |
Surface-modifying endgroups for biomedical polymers
The present invention relates to novel polymeric compositions of matter and their use. Said polymeric compositions of matter are surface active endgroup-containing polymers that comprise a linear...
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5589562 |
Polymers containing alternating silsesquioxane and bridging group segments and process for their preparation
A synthesis process for polysilsesquioxanes which produces a high yield, tractable copolymer of perfectly alternating silsesquioxane and bridging group segments is provided. A difunctional...
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5583195 |
Photocurable epoxy silicones functionalized with fluorescent or photosensitizing marker dyes
Epoxysilicone polymers partially or completely functionalized by a fluorescent, photo-sensitizing, or simultaneously fluorescing and photo-sensitizing substituent bonded to the silicone polymer by...
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5563230 |
Chiral smectic liquid crystalline polymers
A chiral smectic liquid crystalline polymer having the following formula is disclosed: ##STR1## wherein m is an integer of about 40-80; n is an integer of about 1-12; R is ethylene or...
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