Matches 51 - 100 out of 371 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
6861123 Silicone hydrogel contact lens  
The invention provides molds and mold inserts useful in the production of contact lenses. In particular, the invention provides high optical quality molds and inserts useful for manufacturing...
6858310 Renewable surface treatment of silicone medical devices with reactive hydrophilic polymers  
The present invention is directed toward the renewable surface treatment of medical devices such as contact lenses and medical implants. In particular, the present invention is directed to a method...
6852793 Low water content, high refractive index, flexible, polymeric compositions  
Optically transparent, relatively high refractive index polymeric compositions and ophthalmic devices such as intraocular lenses and corneal inlays made therefrom are described herein. The...
6852780 Composition for optical material, optical material and lenses  
Disclosed are optical materials which effectively absorb UV light up to the long wavelength band, have low specific gravity, and have balanced properties including impact and heat resistances;...
6849210 Process for the manufacture of moldings  
The invention relates to a process for the manufacture of a molding comprising the steps of a) preparing an aqueous solution comprising a water-soluble prepolymer having crosslinkable groups...
6849671 Contact lenses  
The invention provides silicone hydrogel contact lenses that exhibit reduced back surface debris and reduced incidence of superior epithelial arcurate lesions.
6838491 Biomedical devices with hydrophilic coatings  
Biomedical devices with stable, hydrophilic and antimicrobial coatings are provided. The coatings are formed using a coupling agent to bond a carboxyl containing hydrophilic coating to the surface...
6821108 Plastic castings molds  
The invention is concerned with the problem that with known plastic casting moulds, especially those of polypropylene, the lenses produced with these moulds have a slippery surface. The invention...
6815074 Polymeric materials for making contact lenses  
An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens...
6805836 Prevention of preservative uptake into biomaterials  
A method for inhibiting the ability of a biomaterial to sorb cationic antimicrobials comprising treating the surface of said biomaterial with a cationic polysaccharide.
6780899 Homopolymers containing stable elasticity inducing crosslinkers and ocular implants made therefrom  
Ocular implants composed of homopolymers containing stable elasticity inducing crosslinkers which contain rigid chemical groups disposed between at least two polymerizable ethyleneically...
6770692 Plastic base material  
The present invention provides, by adding an ultraviolet absorbent and a colorant having a specific chemical structure, a plastic base material capable of effectively suppressing the transmission...
6767933 Radiation polymerizable compositions  
A radiation polymerizable composition comprising: (A) a donor/acceptor component for forming a charge transfer complex said component being selected from the group consisting of: (iii) a...
6740699 Method for obtaining a stabilized photochromic latex, latex obtained, and application to ophthalmic optics  
The invention relates to methods for obtaining the photochromic latex comprising the polymerization in aqueous emulsion of an initial polymerizable mixture, comprising one or more monomers...
6716897 Colored composition for color filter and color filter  
A colored composition for color filter contains a colorant carrier formed of a transparent resin, a precursor of a transparent resin or a mixture thereof, and a green colorant dispersed in the...
6638451 Plastic casting molds  
The invention is concerned with the problem that with known plastic casting molds, especially those of polypropylene, the lenses produced with these molds have a slippery surface. The invention...
6638991 Material for ocular lens  
An ocular lens material comprising a copolymer prepared by polymerization with heating of a monomer mixture and/or with irradiating a monomer mixture with ultraviolet ray by means of a molding...
6602930 Materials for contact lenses comprising a macromer having the polysiloxane structure in the side chain  
A material for contact lenses having excellent flexibility and oxygen permeability are disclosed. The material comprises a copolymer essentially comprising a siloxane macromer of component (A)...
6586508 Plastic lens material, production process of the material, composition for plastic lens, plastic lens obtained by curing the composition, and production process of the plastic lens  
A plastic lens material comprising a compound in which a part or all of 1,4-cyclohexane dicarboxylate structural units are a cis structure; a production process of the material; a plastic lens...
6585768 Intraocular lenses and process for the producing molded-in type intraocular lenses  
A one-piece intraocular lens having an optic portion and a haptic portion, the optic portion being formed of a copolymer obtained by copolymerization of predetermined amounts of...
6579918 Composite ophthalmic lens  
The invention provides a molded ophthalmic lens having at least first and second optical components, wherein the first optical component is cast molded to encapsulate the second optical component...
6566417 Contact lens having improved dimensional stability  
A contact lens and a contact lens blank having increased dimensional stability are constructed from a copolymer of 2,3-dihydroxypropyl methacrylate and 2-hydroxyethyl methacrylate, wherein the...
6559198 Fluorocarbon-sulfone hydrophilic contact lenses, optical medical devices and compositions thereof  
Highly comfortable hydrophilic contact lenses are made from a coploymer of an ethylenically unsaturated fluoro-sulfone ester, ethylenically unsaturated fluorosulfone ester monomer of acrylic or...
6552103 Biomimetic hydrogel materials  
Novel biomimetic hydrogel materials and methods for their preparation. Hydrogels containing acrylamide-functionalized carbohydrate, sulfoxide, sulfide or sulfone copolymerized with a hydrophilic or...
6515041 High energy radiation-curable composition and resin molding  
A high energy radiation-curable composition comprising a partial hydrolysis-condensation product of (A) a mixture of an alkoxy containing organopolysiloxane and alkoxysilanes and (B) a...
6500481 Biomedical devices with amid-containing coatings  
The invention provides biomedical devices. In particular, the invention provides biomedical devices on the surfaces of which stable, hydrophilic, amide-containing coatings are formed.
6495613 Self-defining plastics and the use thereof in dentistry and dental technology  
The invention relates to modified plastics characterized in that they contain adhesion-reducing substances in such a quantity that the adhesion of microorganisms to their surface is lower by at...
6489375 Low VOC cationic curable lithographic printing inks  
An Offset Lithographic Printing Process employing low VOC lithographic printing ink formulations containing monomeric diluents, curable by cationic polymerization in the presence of fountain...
6486262 Molding material for plastic lens  
A molding material for plastic lenses, comprising a hydrogenated product of an aromatic vinyl polymer, wherein the hydrogenated product of the aromatic vinyl polymer has properties that the...
6482531 Non-fouling, wettable coated devices  
A device, and its production method, the device has a substrate and a coating composition, the coating composition being formed by the gas phase or plasma polymerization of a gas comprising at...
6479587 Crosslinkable polyurea polymers  
The invention relates to novel crosslinkable prepolymers of formula (1), wherein the variables have the meanings given in the claims, to homo- or co-polymers obtainable therefrom by crosslinking...
6465538 Method for polymerizing contact lenses  
A method for photopolymerizing a monomer mixture to form a lens involves charging to a mold a monomer mixture including lens-forming monomers, and exposing the monomer mixture in the mold to a...
6451871 Methods of modifying surface characteristics  
Biomedical devices, such as ophthalmic lenses, and methods of making such devices having a surface coating including at least one polyionic layer. A preferred method involves spray coating a...
6444776 Organic polymers  
The present invention relates to novel crosslinkable amphiphilic block copolymers of formula wherein the variables are as defined in the claims, a process for their preparation and their use for...
6436481 Method of producing a reactive coating by after-glow plasma polymerization  
The present invention describes coated articles and methods for preparing such articles, wherein the primary coating comprises a plasma-induced polymer carrying reactive groups. The invention...
6423761 Contact lens material  
Cross-linked copolymers which are obtainable by polymerising a neutral diluent monomer or monomers, a monomer or monomers bearing a center of permanent positive charge, and a bifunctional and/or...
6407145 Photocrosslinkable materials and applications  
The invention relates to a novel process for the manufacture of mouldings, especially contact lenses, in which a soluble prepolymer comprising crosslinkable groups is crosslinked in solution, and...
6395800 Polymeric blends with zwitterionic groups  
The biocompatibility of various polymers are improved by blending with them a polymer including a zwitterionic group. The zwitterionic group is usually an ammonium phosphate ester zwitterionic...
6391939 Collagenic material useful in particular for preventing post-operative adhesions  
The present invention relates to a biocompatible collagenous material which is non-toxic and biodegradable in less than one month, preferably in less than one week. This material comprises collagen...
6387379 Biofunctional surface modified ocular implants, surgical instruments, medical devices, prostheses, contact lenses and the like  
A method for modifying the surface of a material adapted for contact with tissue of a human or non-human animal to impart biofunctional, bioactive or biomimetic properties to the surface...
6367929 Hydrogel with internal wetting agent  
A wettable silicone hydrogel made by including a high molecular weight hydrophilic polymer into the silicone hydrogel monomer mix is presented. The hydrophilic polymer is entrapped in the hydrogel...
6346560 Method for selecting contact lens materials to minimize corneal staining  
The invention provides a method for selecting contact lenses to reduce corneal staining. The method selects contact lens materials based upon the ratio of the water diffusion coefficient to the ion...
6331578 Process for preparing interpenetrating polymer networks of controlled morphology  
The invention relates to a method of making an interpenetrating polymer network (IPN) of at least a first polymer and a second polymer from a first and second component wherein the first component...
6329445 Ocular lens material  
An ocular lens material comprising a polymer prepared by polymerizing a component containing a benzotriazole compound (A) represented by the formula (I): ##STR1## wherein X is hydrogen, a...
6313187 High refractive index ophthalmic device materials prepared using a post-polymerization cross-linking method  
Acrylic, high refractive index ophthalmic device materials comprising an aryl acrylic monomer, a first stage polymerization initiator and a second stage cross-linking agent are prepared in a...
6310116 Molded polymer article having a hydrophilic surface and process for producing the same  
A molded polymer article comprises a main molded body having on the surface thereof a hydrophilic polymer layer, the article being obtained by polymerizing both a monomer having a hydrophilic group...
6291561 Photochromic compositions, photochromic compounds (co)polymer matrices  
The object of the present invention is a photochromic composition incorporating: +2-(p-dimethylaminophenyl)2-(p-methoxyphenyl)-5-methyl-7,9-d imethoxy-[2H]-n aphtho[1,2-b]pyran (compound (I)), and ...
6248285 Preparation of organic pieces of optical quality and especially organic lenses  
The main aim of the present invention is a method of preparing photochromic or non-photochromic organic pieces of optical quality and especially organic lenses, by radical polymerisation of a...
6244707 UV blocking lenses and material containing benzotriazoles and benzophenones  
Contact lenses, intraocular lenses and transparent plastic with enhanced UV blocking to meet ANSI Class 1 specifications include enhanced effective amounts of two different UV absorbing compounds....
6218463 Ocular devices manufactured with free radical-polymerizable latent ultra-violet absorbers  
The invention provides compositions for forming ocular devices which compositions contain latent UV absorbers. The compositions of the invention may be used to conveniently and efficiently produce...
Matches 51 - 100 out of 371 < 1 2 3 4 5 6 7 8 >