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| Number | Title | Issue Date |
| 4857072 | Hydrophilic colored contact lenses There is disclosed a method for making colored hydrophilic contact lenses. A contact lens constructed of hydrophilic polymer that is substantially devoid of the functional groups --COOH, --OH, --NH--R, wherein R is hydrogen or C1 to C8 | 08/15/1989 |
| 4812142 | Colored polycarbonate articles with high impact resistance Polycarbonate articles, especially eyeglass and optical lenses, are dyed in a dye solvent having a boiling point of at least 350° F. in which a dye is dissolved. The article to be dyed is retained in the solution maintained at 200° F. or more until suff... | 03/14/1989 |
| 4811662 | Method for tinting contact lenses A method for tinting contact lenses which comprises the following steps: providing contact lenses, at least one transfer-pad printer, including a suitable ink of the desired tint, and at least one printing block carrying an iris pattern, attaching the con... | 03/14/1989 |
| 4780103 | Partially dyed plastic lens and method of manufacturing same A method for partially dyeing a plastic lens and plastic lens dyed by the method are herein disclosed, the method comprising forming a film of a nondyeable coating agent on the whole surface of the lens, cutting and removing at least part of the film and ... | 10/25/1988 |
| 4777684 | Apparatus and method for custom tinting soft contact lenses by dispenser of lenses Presented is a method and apparatus for custom tinting soft contact lenses in the dispensing office prior to dispensing such lenses to the wearer, or even after they have been dispensed and worn for a time. In the past, contact lenses have been tinted by ... | 10/18/1988 |
| 4738530 | Inspection device An inspection device for visually ascertaining the desired alignment of a contact lens in a tinting fixture comprises a base and a platform having a flat surface and mounted to the base for rotation relative thereto. The device also includes an arrangemen... | 04/19/1988 |
| 4733959 | Apparatus and method for tinting hydrophilic contact lenses An apparatus and method for tinting hydrophilic contact lenses wherein a base having at least one post whose remote end is shaped for receiving and positioning a hydrophilic contact lens, and at least one cap which when placed in communication with the po... | 03/29/1988 |
| 4719657 | Method of forming iris variegation patterns on contact lenses A tinted soft contact lens such as a hydrated hydrogel lens having a variegated iris pattern is prepared by forming an iris pattern on the lens with a viscous paste which can contain an unoxidized vat dye. The lens is treated with a developer solution to ... | 01/19/1988 |
| 4720188 | Process for manufacturing colored contact lenses and lenses made by the process A process for manufacturing colored contact lenses and the lens manufactured by the process. A transparent contact lens having a central pupil section and a surrounding iris section has a colorant applied in a pattern to the entire iris section such that ... | 01/19/1988 |
| 4710199 | Method of dyeing an optical article A method of dyeing an optical article in which the article is immersed in a dyeing solution which is heated and subjected to ultrasonic energy. The article is immersed for a time span commensurate with the desired tint or hue after which the article is cl... | 12/01/1987 |
| 4707236 | Method of farbricating an optically graded light occluding gel The invention pertains to an electrophoretic technique for fabricating a progressively graded concentration of dye in a hydrophilic polymeric matrix or gel. A charged dye or dye precursor is caused to migrate under the influence of an electrical potential... | 11/17/1987 |
| 4705370 | Apparatus for custom tinting soft contact lenses by dispenser of lenses Presented is a method and apparatus for custom tinting soft contact lenses in the dispensing office prior to dispensing such lenses to the wearer, or even after they have been dispensed and worn for a time. In the past, contact lenses have been tinted by ... | 11/10/1987 |
| 4704017 | Process for manufacturing colored contact lenses A process for manufacturing colored contact lenses and the lens manufactured by the process. A transparent contact lens having a central pupil section and a surrounding iris section has a colorant applied in a pattern to the entire iris section such that ... | 11/03/1987 |
| 4702574 | Contact lenses having fluorescent colorants and apparatus for making such lenses Cosmetic contact lenses, which are tinted with daylight fluorescent pigments in the iris area, can change the wearer's apparent iris color to any desired color, including changing a dark iris to a lighter color such as blue or green.... | 10/27/1987 |
| 4668240 | Pigment colored contact lenses and method for making same Colored contact lenses are produced by providing a contact lens constructed of polymer and coating at least a portion of the lens with coloring substance and binding polymer. The lens and binding polymers are bonded to each other by the reaction of functi... | 05/26/1987 |
| 4659522 | Method of spin casting an ophthalmic device with a central aperture A method of making a spin cast contact device having a circular aperture in the center. The central aperture has a thin tapered inner edge. A spin cast concave mold having a raised central area provides the aperture with thin tapered edges. The device is ... | 04/21/1987 |
| 4657363 | Fluorescent corneal color change device A daylight fluorescent cosmetic device for changing the apparent color of the eye. Fluorescent and nonfluorescent pigments are added to the monomer before being polymerized to form the hydrophilic device material. Daylight illumination activates the fluor... | 04/14/1987 |
| 4640805 | Method of selectively tinting cast lenses A method of coloring predetermined areas of cast contact lenses by placing a coating of soluble dye on the mold surface in the area to be colored. The liquid lens monomer is added to the mold and dissolves the dye from the mold surface before being polyme... | 02/03/1987 |
| 4634449 | Opaque tinting process for contact lens A method is provided for tinting a hydrogel contact lens whereby the tinting effect is not appreciably affected by the underlying color of the iris of the wearer's eyes.... | 01/06/1987 |
| 4620851 | Method for tinting soft contact lenses A method and apparatus are provided. The method for tinting soft contact lenses comprises the steps of mounting a contact lens to a fixture of the apparatus including an inlet and an outlet for directing predetermined fluids therethrough for engagement wi... | 11/04/1986 |
| 4615593 | Fluorescent non-optical corneal color change device A non-optical cosmetic device for changing the apparent color of the eye. The colored cosmetic device has a central visual aperture and surrounds the pupil of the eye. Fluorescent pigments are added to the final monomer before being polymerized to form th... | 10/07/1986 |
| 4559059 | Tinted contact lenses and a method for their preparation Contact lenses comprising polymeric lens materials in which reactive dyestuffs have been covalently bonded to monomer units of the polymer backbone, said reactive dyestuffs being reactive dyes capable of forming ether linkages with cellulose and reactive ... | 12/17/1985 |
| 4553975 | Tinted contact lenses and a method for their preparation Contact lenses comprising polymeric lens materials in which reactive dyestuffs have been covalently bonded to monomer units of the polymer backbone, said reactive dyestuffs being reactive dyes capable of forming either linkages with cellulose and reactive... | 11/19/1985 |
| 4518390 | Lens tinting fixture and system utilizing said fixture There is disclosed a fixture or apparatus for use in the tinting of a contact lens or the like. The fixture includes a tube having a body portion and a closed end portion, which includes an annular masking structure to support the lens and define a ring-l... | 05/21/1985 |
| 4494954 | Process for producing colored contact lens A uniformly colored shaped article which is resistant to discoloration and fading can be produced by immersing a shaped article, particularly a contact lens, consisting of a polymer of at least one monomer selected from the group consisting of acrylates a... | 01/22/1985 |
| 4490495 | Composition and method for tinting plastic A solution for coating plastic material for tinting and the method of making said solution is described. The process for coating plastic material and for tinting the material is also described. This solution and process provides scratch resistance to the ... | 12/25/1984 |
| 4468229 | Tinted contact lenses and a method for their preparation with reactive dyes Contact lenses comprising polymeric lens materials in which reactive dyestuffs have been covalently bonded to monomer units of the polymer backbone, said reactive dyestuffs being reactive dyes capable of forming ether linkages with cellulose and reactive ... | 08/28/1984 |
| 4457761 | Method and apparatus for marking contact lenses The method and apparatus for marking of soft contact lenses with identification indicia is disclosed. A film cartridge is provided for supporting a non-gel film having lens marking indicia gel or dye disposed thereon. The cartridge has an opening therein ... | 07/03/1984 |
| 4447474 | Method of selectively tinting soft contact lenses A method of tinting specific areas of soft contact lenses by placing the dye in a dye carrier made of a porous material of the size and shape of the area to be tinted. The soft lens is placed on the dye carrier and absorbs the dye in the selected pattern.... | 05/08/1984 |
| 4440541 | Polarizer: dichroic dye in oriented polyacrylic acid/chitosan complex sheet A dichroic light polarizer comprising a sheet of molecularly oriented polyacrylic acid/chitosan complex having incorporated therein a dichroic dye.... | 04/03/1984 |
| 4332587 | Colorant preparations, a process for their production and their use for coloring plastics A colorant preparation containing (A) a colorant which is sparingly soluble or insoluble in water, (B) a plasticizer based on an ester and (C) a reaction product of a fatty acid ester of a polyhydric alcohol and ethylene oxide, a process for the production of this ... | 06/01/1982 |
| 4303701 | Method of marking plastic lenses A method of marking plastic lenses to selectively identify a lens by impregnating a fluorescent material into the surface of the lens so that when the lens is exposed to ultraviolet light it fluoresces.... | 12/01/1981 |
| 4252421 | Contact lenses with a colored central area Contact lenses and a method of preparing the same in which a central area tinted with particular polymer bound or water insoluble colorants are disclosed.... | 02/24/1981 |
| 4238524 | Process for identification marking clear plastic articles A fade resistant, visually undetectable identification mark is imparted to an optically clear plastic lens or the like by providing a marking composition comprising a fluorescent dye and a liquid carrier material, and preferably including an inert sublima... | 12/09/1980 |
| 4157892 | Method of coloring water-absorbable plastics and colored water-absorbable plastics A method of coloring a water-absorbable plastic partially or totally in a single color or multiple colors in such a manner that no migration or separation of the coloring agents used can take place. A copolymer of a coupler monomer and a water-absorbable ... | 06/12/1979 |
| 4145125 | Eyeglass lens with indicia and method of making same Eyeglass lenses ordinarily of the plastic, or hard resin, type which are tinted by means of a deep penetrating dye which becomes part of the molecular structure of the lens, are masked prior to being dipped into the dye solution to produce along a margin ... | 03/20/1979 |
