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5959117 |
Monomers useful for contact lens materials
Monomers of the following formula are useful in contact lens materials: ##STR1## wherein: A is an activated unsaturated group; R and D independently are alkylene or haloalkylene radicals having...
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5945498 |
Polysiloxane-comprising perfluoroalkyl ethers and the preparation and use thereof
The present invention describes a free radical polymerizable segmented macromonomer based on perfluoroelkyl ether, polysiloxane and divalent organic segments. This macromoner can be polymerized and...
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5945172 |
Coating agent composition and articles treated with said composition
A coating agent composition comprising an organopolysiloxane resin: with the organopolysiloxane resin having a number average molecular weight of at least 500 and acrylic or methacrylic functional...
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5932675 |
Free-radical chain transfer polymerization process
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5919880 |
Reactive dyes and lenses utilizing the same
A compound represented by the following formula 1: ##STR1## wherein R 1 is an unsubstituted or substituted benzyl group or unsubstituted or substituted phenyl group, method for producing a...
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5919879 |
Linear toughened silicone grafted polymers
Disclosed are linear toughened silicone grafted polymers useful in personal care compositions and the like.
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5919885 |
Covalently and nucleophilically self-curing systems
Covalently and nucleophilically self-curing systems are described which are based on polymerizable and hydrolytically condensable or condensed silicon compounds, which comprise two components, 1...
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5916938 |
Polyacrylate resin solutions having improved color number, and their use in coating compositions
The present invention relates to a solution of a polyacrylate resin in one or more organic solvents, containing one or more phosphites, characterized in that the solution contains from 0.05 to 1.0%...
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5916963 |
Water-based resin dispersion and process for the production thereof
A water-based resin dispersion having excellent durability against water, obtained by radical-polymerizing a radical-polymerizable ethylenically unsaturated monomer, a dimethylpolysiloxane having a...
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5908906 |
Monomeric units useful for reducing the modulus of silicone hydrogels
Monomeric units useful in reducing the modulus of hydrogels are disclosed. Silicone hydrogels including the subject monomeric units are especially useful in the formation of biomedical articles...
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5891979 |
Tinorganic catalyst with increased crosslinking speed for silane crosslinking reactions
A cross-linkable polymer composition contains a cross-linkable polymer with hydrolysable silane groups and at least one silanol condensation catalyst. The polymer composition is distinguished by...
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5889132 |
Dental 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,...
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5883152 |
Contact lens
A contact lens contains a copolymer obtained by copolymerizing, as an indispensable feed monomer, 2 to 95 wt. % of a carboxylic acid ester monomer and 98 to 5 wt. % of a copolymerizable monomer....
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5877232 |
Resinous dental composition based on polymerisable polysiloxanes
The invention relates to a self-curing, photochemically or thermally curable resinous dental composition based on polymerisable polysiloxanes, to a process for its preparation and to its use for...
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5874511 |
Polymers of controlled molecular weight and end-group functionality
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 the general formula (A). ##STR1##...
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5868966 |
Electroactive inorganic organic hybrid materials
Hybrid materials are formed having a homogeneous distribution of a conductive organic polymer or copolymer in an inorganic matrix. The conductive organic polymer may be electronically conductive,...
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5866665 |
Copolymers of ethylene and germinally disubstituted olefins
Substantially random ethylene copolymers containing at least 3.0 mole percent of geminally disubstituted olefin monomers are described. The geminally disubstituted olefin monomers can be...
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5861469 |
Photoluminescent bicyclic polydislacyclobutanes
Photoluminescent bicyclic polydisilacyclobutanes are made by reacting a dialkenyldihalocarbosilane with an organolithium reagent in the presence of a solvent at 0°-25° C.
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5859277 |
Silicon-containing solid support linker
A compound of the formula ##STR1## where R is a solid support; R 1 and R 2 are alkyl, unsubstituted alkyl, or phenyl, and where R 1 and R 2 can be the same or different, for use in solid-phase...
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5859123 |
Water-based fluorine-containing emulsion
The present invention relates to a water-based fluorine-containing emulsion. This emulsion contains a fluorine-containing copolymer in a disperse phase thereof This copolymer is prepared by...
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5840291 |
Base material for hair cosmetics
The base material for hair cosmetics of the present invention is, as compared with conventional ones, excellent in moisture resistance, set-holding ability and elasticity and it does not cause...
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5840813 |
Homopolymerization of acrylate or methacrylate endblocked polydiorganosiloxanes
Method for homopolymerization of polyorganosiloxane macromonomers having acryloxy or methacryloxy groups. A miniemulsion of a methacryloxy functional polydimethylsiloxane macromonomer was prepared...
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5821278 |
Process for polymerizing of cyclic olefins and a photopolymerizable composition
Process for the photocatalytic polymerization of a cyclic olefin or at least two different cyclic olefins in the presence of a metal compound as catalyst, which comprises carrying out a...
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5821314 |
Thermosetting compositions and methods of forming a finish coat
This invention provides a thermosetting composition comprising (A) a compound (A-1) containing an epoxy group or groups and a reactive silicon group or groups as essential functional group...
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5817726 |
Water-absorptive soft ocular lens material, water-absorptive soft ocular lens shaped product made thereof, water-absorptive soft ocular lens made thereof and process for its production
A substantially non-crosslinked water-absorptive soft ocular lens material obtained by polymerizing polymerizable components comprising a methoxysilane compound (A) of the formula (I): ...
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5811479 |
Rubber composition having a base of a diene polymer having a silanol function and comprising an organosilane derivative
The present invention relates to a sulfur-vulcanizable rubber composition mprising, by way of reinforcing filler, carbon black or a mixture of carbon black and silica, at least one functionalized...
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5807944 |
Amphiphilic, segmented copolymer of controlled morphology and ophthalmic devices including contact lenses made therefrom
The subject matter of the present invention is an amphiphilic, segmented copolymer of controlled morphology comprising at least one segment having high oxygen permeability, at least one segment...
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5807953 |
Thermostet polymers from inorganic arylacetylenic monomers
The present invention is a thermoset having the repeating unit: ##STR1## where R 1 and R 2 are independently selected from the group consing of hydrogen, unsubstituted alkyl groups, substituted...
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5798426 |
Acrylic polymer compounds
An acrylic polymer of polymerized monomers of about 55-80% by weight of an alkyl methacrylate having 1-12 carbon atoms in the alkyl group, and alkyl acrylate having 1-12 carbon atoms in the alkyl...
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5798425 |
Co-polymers based on oxyalkyleneglycol alkenyl ethers and unsaturated dicarboxylic acid derivatives
Disclosed is a co-polymer based on oxyalkyleneglycol alkenyl ethers and unsaturated dicarboxylic acid derivatives, as well as vinylic polyalkyleneglycol, polysiloxane or ester compounds. These...
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5789461 |
Methods of forming an extended wear ophthalmic lens having a hydrophilic surface
An ophthalmic lens suited for extended-wear for periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The...
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5789503 |
Polymerization of vinyl monomers from silanes and siloxanes
A method in which radical polymerization of a vinyl monomer is initiated by an ozonide group attached to a silane or a siloxane polymer. The method is particularly useful for preparing organic...
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5789516 |
Method of making silicone-organic block copolymers
A method of manufacturing block copolymers containing a polyorganosiloxane segment, by dual polymerization involving (i) polycondensation of a silicone block followed by (ii) the free radical...
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5786434 |
Water-absorptive soft contact lens material and contact lens made thereof
A water-absorptive soft contact lens material having a high transparency, an excellent flexibility, a high oxygen permeability independent of water content, a high mechanical strength and an...
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5780553 |
Heterogeneous polymerizations in carbon dioxide
A method for the polymerization of a monomer is disclosed. The method includes (a) providing a reaction mixture comprising a monomer, a stabilizer precursor, and a polymerization initiator in a...
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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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5777052 |
Silicone modified vinyl polymers and method for the preparation thereof
This invention relates to a silicone-modified vinyl polymer having a weight-average molecular weight from 1,000 to 1,000,000 containing a siloxane group having the formula (--R a SiO...
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5773489 |
Dental inorganic-organic composite fillers
Dental inorganic-organic composite fillers are disclosed, which do not scatter a visible light of from 360 to 830 nm in the particles thereof, has a refractive index nD by the D-line of sodium in...
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5773534 |
Preparing crosslinkable polymers employing macromonomer chain transfer agents
An improved method of free radical polymerization conducted in the presence of a relatively low molecular weight macromonomer such as can be made with a metal chelate chain transfer catalyst. This...
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5770669 |
Silcone-containing polymer having oxygen permeability suitable for ophalmic applications
Copolymers formed from dimethacrylates of polyalkylene glycols and vinylic reactive silicones having up to 20 silicon atoms in the substantial absence of additional cross-linking agents. The...
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5767171 |
Coating composition
A hydrolyzable self-polishing coating composition for use in preventing attachment of organisms to the surface of structures submerged in seawater, which comprises an anifoulant and a copolymer of...
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5763556 |
Copolymers of ethylene and geminally disubstituted olefins
Substantially random ethylene copolymers containing at least 3.0 mole percent of geminally disubstituted olefin monomers are described. The geminally disubstituted olefin monomers can be...
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5760136 |
Silicon-containing block copolymer
A block copolymer comprising siloxane segments, amphoteric monomer units and/or cationic nonomer units, and if necessary monomer units of precursors thereof, and nonionic monomer units, obtained by...
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5747617 |
Copolymers of vinyl chloride, allyl glycidyl ether, a vinyl ester and an unsaturated organic trifunctional silane and method of making the same
An improved method is provided for copolymerizing vinyl chloride with allyl glycidyl ether and a vinyl ester. The copolymers so formed include 70-99 weight percent of vinyl chloride, 0.05-15 weight...
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5739236 |
Biocompatible zwitterion polymers
Polymers of one or more radical polymerisable monomers which polymer has pendant groups bearing a center of permanent positive charge and other pendant groups capable of stably binding the polymer...
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5739238 |
Alkoxysilyl-functional oligomers in curable silane polymer compositions
Disclosed are curable compositions based on a curable polymeric component containing hydrolyzable alkoxysilyl groups and also containing an oligomeric component which is composed at least in part...
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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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5731379 |
Copolymers of polyorganosiloxane, polyisobutylene, and alkyl acrylates or methacrylates
Method of making copolymers of (i) an acrylic or methacrylic-functional polyisobutylene macromonomer, (ii) a polydiorganosiloxane macromonomer, and optionally (iii) a radical polymerizable monomer...
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5716685 |
Silicone-containing copolymer and bleed through resistant, ink receptive, and adhesive receptive coatings and coated substrates prepared therefrom
The present invention provides a novel copolymer and coating prepared therefrom. The coating which is capable of being written on effectively with both solvent-based and water-based inks is also...
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5714557 |
Monomeric units useful for reducing the modulus of low water polymeric silicone compositions
Monomeric units useful in reducing the modulus of low water polymeric silicone compositions are disclosed. Low water compositions including the subject monomeric units are especially useful in the...
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