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WO/1990/002144A1 |
A novel composition suitable for use in a corneal contact lens comprising the reaction product of: a) between about 20 and about 60 % by weight of polymerizable silicate having general formula (I), wherein R = alkyl, aryl or H; R' = R or...
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WO/1989/011483A2 |
Modified acrylated epoxy oligomers include a group of formula (I), where R is a trialkylsilyl group or a phosphorus containing group of formula (II), where R1 and R2 are each alkyl, alkoxy, aryl, aryloxy, aralkyl or aralkoxy groups are r...
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WO/1989/009236A1 |
Group Transfer Polymerization wherein the catalyst consists essentially of: (a) about 10 to 100 mol % of a silane of specific formula; and (b) 0 to about 90 mol % of at least one of a suitable Lewis acid or mercury compound.
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WO/1989/008682A1 |
A polymerized composition for obtaining luminescent and selective radiation absorbent materials on the basis of a liquid monomer comprises at least one rare-earth salt of a lower aliphatic carboxylic acid in a quantity ensuring its conce...
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WO/1988/008846A1 |
A new group of silane compounds in which silicon atoms are linked together by a hydrocarbon chain and which comprise phenyl groups substituted with an epoxy group or an ethenyl group. The compounds of the present invention have formula (...
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WO/1988/008856A1 |
A monomer exhibiting polar functionality such as through a hydroxyl group or other functional group is protected during polymerization in the presence of highly active catalysts by the use of a protective alkyl silane group which is remo...
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WO/1988/006589A1 |
A process for manufacturing mineral/organic compounds consisting of mineral crystals and organic chains attached to the surface of the said crystals by covalent bonds. The process consists in introducing the phosphate groups of phosphory...
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WO/1988/005779A1 |
A novel process for preparing alkylsilanes or alkenylsilanes by hydrosilylation between a silane and an unsaturated hydrocarbon in the presence or absence of a catalyst, a process for preparing polyalkenylsilanes (part of them being nove...
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WO/1988/005060A1 |
A copolymer, specially adapted for use as certain medical devices such as contact lens, eye bandage, artificial skin for burn or wound dressing, of comonomers comprising: (A), 1 to 85 wt.% of at least one amide acrylic; (B), 1 to 35 wt.%...
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WO/1988/004299A1 |
A novel monomer, and oxygen-permeable copolymers made therefrom, as well as contact lenses made from said copolymers, wherein the novel monomer has formula (3).
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WO/1988/004304A1 |
A process for the production of polymers by free radical polymerization, characterized in that there is added to the polymerization system one or more compounds of general formula (A), where R1 is hydrogen or a group capable of activatin...
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WO/1988/002498A1 |
Material for an oxygen-permeable hard contact lens, which is a copolymer containing as major components at least one monomer component selected from among fluorine-containing (meth)acrylates and silicone-containing (meth)acrylates and a ...
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WO/1988/002010A1 |
Polymerisates containing silyl groups, which are introduced therein by ethylenically unsaturated monomers having general formula (a), where R1 is alkyl, aryl, acyl, aralkyl with 1 to 10 atoms of carbon, R2 is an organic residue having a ...
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WO/1987/002041A1 |
A soluble acrylic copolymer is obtained by copolymerising a monomer in an amount greater than 3 to 30% of the total monomer weight and comprising at least 2 polymerisable, olefin-unsaturated double links, monomers containing functional g...
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WO/1987/000536A1 |
A curable compositon including a monomer having at least one curable acrylic functionality, an accelerator and optionally a free radical initiator, wherein the accelerator is a compound of formula (I), wherein R' is H or alkyl; when R' i...
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WO/1986/004342A1 |
Extended-wear lenses formed by polymerizing an unsaturated organosilicon monomer system, a fluoroorgano monomer, a hydrophilic monomer, and a crosslinking agent. A UV-absorbing agent is optionally present.
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WO/1986/001518A1 |
A copolymer composition, especially suited for fabricating optical lenses comprising a copolymer of copolymerized comonomers which include about one to about 25 percent by weight of an acryloxyalkylsilanol; about 0.5 to about 15 percent ...
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WO/1986/001219A1 |
Alkylsilane polymers and optical contact lenses fabricated therefrom.
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WO/1986/000626A1 |
Large star polymers, including acrylics, are made preferably by group transfer polymerization techniques by arm-first, core-first, or arm-core-arm approaches.
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WO/1986/000084A1 |
Cured coatings on substrates especially sheet substrates like paper are produced by electron beam irradiation of curable compositions comprising organic substituted tin silicon, titanium, and zirconium compounds in which the organic radi...
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WO/1985/004660A1 |
There are prepared silafluoroolefins and silafluoroolefin ethers and polymers thereof by reacting carbon with silicon tetrafluoroide and a source of hydrogen followed by polymerization. The polymers are useful for architectural purposes ...
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WO/1985/003940A1 |
Optical contact lenses and silicone hydride polymers therefore are disclosed.
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WO/1984/002915A1 |
Novel polymeric binder for use in an antifouling paint which includes a toxicant. The polymeric binder is film-forming, water insoluble, seawater erodible and is represented by formula (I), wherein, in one embodiment, X is H or CH3; R is...
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WO/1984/000763A1 |
There are prepared acrylates and methacrylates of the formula (III), wherein R is hydrogen or methyl, and wherein A is the unit (I), wherein x is 0 to 4, or the unit (II). The novel siloxane compounds can be copolymerized with (1) a mono...
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WO/1984/000619A1 |
An oxygen-permeable hard contact lens obtained by cast-polymerizing a composition composed of 30 to 50 wt. % of alkyl (meth)acrylate, 10 to 40 wt. % of fluorine-containing monomer, 10 to 35 wt. % of silicone (meth)acrylate, 5 to 15 wt. %...
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WO/1982/003397A1 |
Contact lens polymers, i.e. polymers having optical and mechanical properties suitable for use in contact lenses, consisting essentially of copolymers of siloxane monomethacrylates and dimethacrylates, and copolymers of such materials wi...
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WO/1980/000253A1 |
A new composition of matter specially adapted for the production of contact lenses, artificial eyes or other prosthetic devices. The composition has the characteristics of increased hydrophilicity, softness after hydration and oxygen per...
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JP7475024B2 |
The present invention addresses the problem of providing a surface modifying material for lipid membrane structures that is not a PEG-lipid, and a lipid membrane structure including the surface modifying material. Specifically, the prese...
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JP2024056244A |
An object of the present invention is to provide a compound that can form a cured product that has low dielectric constant and dielectric loss tangent values and has excellent heat resistance and adhesion to metals and the like. [Solutio...
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JP7461148B2 |
The present invention provides a radically curable composition curable at a low temperature, comprising: (A) a (meth)acrylic group-containing compound having a skeleton comprising an addition reaction product of (a) an Si-H group-contain...
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JP7446109B2 |
A hydrophilic silicone, compositions comprising the same, and articles comprising the same are shown and described herein. The hydrophilic silicone is an ionically modified silicone compound wherein the compound comprises a zwitterionic ...
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JP2024507710A |
Organofunctional silane compositions are shown and described herein. The organofunctional silane composition comprises at least one of the silane monomers containing two or more alkoxy groups having C1-C2 alkyl groups, and at least one o...
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JP7424372B2 |
The invention is a phosphorylcholine group-containing vinyl monomer represented by the following formula (1):in the formula (1) R represents an alkylene group having 1 to 6 carbon atoms, and n represents an integer of 1 to 6.The inventio...
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JP2024009271A |
An object of the present invention is to provide a hydrolyzable silyl group-containing polyoxyalkylene polymer that can form a cured product with improved restorability while exhibiting a low modulus. [Solution] In a polyoxyalkylene poly...
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JP7399996B2 |
The present disclosure provides purified forms of iobenguane and preparations of a precursor to iobenguane, such as a polymer, the polymer comprising a monomer of formula (I) or a pharmaceutically acceptable salt thereof, the preparation...
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JP7397226B1 |
An object of the present invention is to provide a flame retardant containing a phosphorus compound and uses thereof. Specifically, flame retardants containing specific phosphorus compounds, resin compositions containing the flame retard...
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JP7397227B1 |
The present invention aims to provide a novel phosphorus compound, a method for synthesizing the compound, a flame retardant containing the compound, and a resin composition containing the compound and a resin component. Furthermore, it ...
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JP7386860B2 |
[Problem] To provide a novel polysiloxane compound capable of forming a cured film that is capable of improving adhesion between a substrate and the cured film when the cured film is formed. [Means for Solution] To provide an acrylic pol...
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JP7376346B2 |
To provide a curable composition that gives a cured product having low relative dielectric constants, a cured product of the composition, a method for producing a patterned cured film using a specific photosensitive composition as the cu...
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JP7341780B2 |
To provide a curable composition in which reduction of stretching of a cured product that could be progressed by a curing and aging process is suppressed, and a cured product obtained by curing the composition.A multi-liquid type curable...
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JP7337751B2 |
To provide water dispersion excellent in adhesion to metals, and can form a coating film excellent also in wear resistance, a coating agent for metal containing the water dispersion, as well as, a coating film.The water dispersion accord...
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JP7325129B2 |
A compound of Formula (I)D-S1-A-S2—B1, Formula (I)wherein:A represents a conjugated chain of from 1 to 20 aromatic moieties independently selected from the group consisting of aromatic moieties, heteroaromatic moieties and E moiet...
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JP7324170B2 |
To provide a polymerizable group-containing silicone monomer production method for realizing a high-purity silicone monomer by inhibiting generation of silylation products of impurities in a reaction stage of synthesis.The production met...
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JP7322710B2 |
The present invention provides: an inorganic microparticle dispersion comprising inorganic microparticles (A) and a dispersant (B), characterized in that the dispersant (B) is a phosphoric acid ester having at least one (meth)acryloyl gr...
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JP7290115B2 |
To provide a convenient production method for a (meth)acryl functional organopolysiloxane having an alkyl group with 3 or more carbon atoms, bound to a silicon atom.A method for producing a (meth)acryl functional organopolysiloxane of fo...
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JP7285664B2 |
To provide a method for producing a polymer reduced in an amount of residual solvent by efficiently removing a solvent from a polymer solution in which the polymer is dissolved in the solvent.There is provided a method for producing a po...
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JP7282651B2 |
To provide a polymerizable phosphonic acid-based compound and an adhesive composition having compatibility with a polymerizable compound as a base, an improved adhesiveness to a hydrophilic material or the like and especially excellent a...
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JP7279788B2 |
A fluoroacrylic compound of formula (1) which, when added to an actinic-ray-curable composition, can impart excellent liquid repellency, antifouling properties, and wear resistance. Y-Rf1-Z1-Q1-[Z2-X]a
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JP2023062477A |
To provide a particle for a conductive fine particle, capable of attaining low-resistance electrical connection.In an organic-inorganic composite particle, the content of a deformed particle in which an aspect ratio determined by dividin...
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JP2023058871A |
To provide a polysiloxane compound preferred to a medical material, and a production method of the same.The polysiloxane compound is a polysiloxane compound including one 8-20C cyclic aliphatic hydrocarbon group in a molecule which has a...
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