Abstract:
PROBLEM TO BE SOLVED: To provide a photochromic article comprising a substrate, having at least a partial coating of at least partially cured coating of a photochromic polymerizable composition. SOLUTION: The photochromic article includes the substrate and at least the partial coating of at least partially cured polymerizable composition of a photochromic amount of at least one photochromic compound, at least one material having at least one carbonate group and at least one hydroxyl group, and at least one monoisocyanate containing material having at least one unsaturated group. Photochromic optical elements, such as ophthalmic lenses, prepared from an optical element substrate coated with the photochromic polymerizable composition, are included. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a product using a material incorporating core/shell microparticles demonstrating photosensitive properties, in which properties of a photosensitive material in the microparticles can be controlled.SOLUTION: An aqueous composition is described, which comprises an effective amount of at least one photosensitive material and at least one polymerizable component, and which is adapted to at least partially form photosensitive microparticles or at least partially crosslinked photosensitive polymeric microparticles. The photosensitive polymeric microparticles are made of integral surface domains and interior domains, in which at least one of a surface and/or the interior domains is photosensitive. Also described are an aqueous dispersion of the above microparticles, a method for producing the microparticles, and a photosensitive article such as an optical element that incorporates the photosensitive polymeric microparticles.
Abstract:
PROBLEM TO BE SOLVED: To provide a photochromic material in which fatigue resistance is enhanced and the function thereof is improved. SOLUTION: This photochromic material is a polymerizable composition comprising: a light-interchangeable amount of at least one photochromic compound; at least one substance having at least one carbonate group and at least one hydroxyl group; and a substance comprising at least one monoisocyanate having at least one unsaturated group. The polymerizable composition comprises optionally a copolymerizable monomer. From this composition, also a photochromic polymer (e.g., a photochromic optical element (e.g., an intraocular lens produced from this polymerizable composition)) can be obtained. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a multifocal ophthalmic product having light influencing performances selectable from various optical properties such as photochromic, polarization, coloring properties, and/or other light modification properties (not limited to them). SOLUTION: This multifocal optical product includes (a) a rigid optical base material having at least one kind of light influencing characteristics, and (b) a multifocal layer made of an optical quality resin and formed on this base material. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a photochromic material incorporatable in various polymer materials. SOLUTION: The photochromic material includes a reaction product of (a) at least one ring-openable cyclic monomer and (b) a photochromic initiator. In other non-limiting embodiments, the photochromic material is represented by formula (I), specifically, a compound having a structure represented by formula 17 (a;1-165). Methods of producing photochromic compositions and optical elements are also disclosed. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a product in which a characteristic of a photosensitive material in a fine particle or a material with a built-in photosensitive core/shell fine particle is controllable.SOLUTION: There is described an aqueous composition composed of an effective amount of at least one photosensitive material and at least one polymerizable component and adapted to form an at least partly photosensitive fine particle or an at least partly crosslinked photosensitive polymer fine particle. The photosensitive polymer fine particle is made of an integrated surface domain and an inner domain wherein at least one of the surface and/or the inner domains is photosensitive. There are also described the aqueous dispersion of the fine particle, a method for preparing the fine particle, and a photosensitive article such as an optical element in which the photosensitive polymer fine particles are built-in.
Abstract:
PROBLEM TO BE SOLVED: To provide an article, for example, an optical article such as a lens. SOLUTION: The article, for example, the optical article such as the lens includes (a) a rigid substrate (for example, a transparent ophthalmic substrate such as a thermosetting or thermoplastic substrate) having at least one surface suitable for accommodating a photochromic coating and (b) a transparent photochromic coating comprising dendritic polymeric acrylate (for example, polyester acrylate) on at least a portion of the surface of the substrate, wherein the transparent photochromic coating comprises a photochromic amount of at least one photochromic material (for example, an organic photochromic material). COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
Describes an article, e.g., an optical article such as a lens, in which the article includes (a) a rigid substrate, e.g., a transparent ophthalmic substrate, such as a thermoset or thermoplastic substrate, having at least one surface suitable for accommodating a photochromic coating, and (b) a transparent photochromic coating comprising dendritic polymeric acrylate, e.g., polyester acrylate, on at least a portion of said surface of the substrate, the coating comprising a photochromic amount of at least one photochromic material, e.g., an organic photochromic material.
Abstract:
Describes a multifocal optical article, e.g., an ophthalmic article such as a lens, in which the article includes (1) a rigid optical substrate, e.g., a transparent polymeric substrate, such as a thermoset or thermoplastic substrate, adapted to possess at least one light influencing property on at least a portion of at least one surface of the substrate, e.g., a photochromic and/or polarizing layer, and (2) a multifocal layer of an optical quality material on said substrate having the light influencing property. Describes also the aforedescribed optical article having an abrasion-resistant coating on the multifocal layer, e.g., an abrasion-resistant coating comprising an organo silane. A method for preparing the multifocal optical article comprising curing optical quality material between a multifocal mold and a preform comprising an optical substrate possessing the light influencing property is also described.
Abstract:
Describes a photochromic article, e.g., a plastic ophthalmic photochromic article, such as a lens, in which the article includes (1) a rigid substrate, such as a thermoset or thermoplastic polymeric substrate, (2) a photochromic polymeric coating appended to at least one surface of the substrate, the photochromic polymeric coating containing a photochromic amount of at least one photochromic material, e.g., spirooxazine, naphthopyran and/or fulgide, and (3) an acrylate-based film coherently appended to the photochromic coating, the acrylate-based film containing an adhesion promoting amount of an adhesion promoter, e.g., an aminoorganosilane, silane coupling agent, organic titanate coupling agent or organic zirconate coupling agent. Describes also the aforedescribed photochromic article having an abrasion-resistant coating affixed to the acrylate-based film, e.g., an abrasion-resistant coating comprising an organo silane; and a photochromic article having an antireflective coating affixed to the abrasion-resistant coating.