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| Number | Title | Issue Date |
| 8181483 | Processes for preparing electrically-conductive glass-ceramics Discloses are processes for preparing conductive glass-ceramics employ segregation or ion exchange. ... | 05/22/2012 |
| 7381232 | Process for producing CeOfine particles and polishing slurry containing such fine particles To provide a process for producing CeO2 fine particles having high crystallinity, being excellent in uniformity of composition and particle size and having a small particle size, and a polishing slurry containing such fine particles. A process for ... | 06/03/2008 |
| 7363777 | Closed cassette and method for heat treating glass sheets A convection compatible closed cassette and method are described herein where the closed cassette is used to heat treat (compact) one or more glass sheets in a uniform manner and in a clean environment. In the preferred embodiment, the closed cassette includes multi... | 04/29/2008 |
| 7104090 | Method of making polarizing glasses Polarizing glass articles and methods of manufacturing polarizing glass articles are disclosed. The method involves forming a polarizing layer on the surface of the glass article by ion-exchanging silver or copper into the surface. ... | 09/12/2006 |
| 6912087 | Ultra-thin glass polarizers and method of making same A method for making a polarizing glass article is provided. The method includes first providing a precursor glass containing metal-halide particles. The precursor glass may be encased in a gas-permeable medium. Then, form at least a first polarizing layer and a non-... | 06/28/2005 |
| 6772608 | Method for producing UV polarizers The invention relates to a method for producing UV polarizers, according to which spheroid particles situated near the surface of the glass are incorporated into the support material (primarily standard float glass) in a novel arrangement. According to the method fo... | 08/10/2004 |
| 6755049 | Method of producing a quartz glass crucible Known is a method of producing a quartz glass crucible in which a crucible base body is provided at least in part with an inner layer in which the formation of cristobalite is induced by using a crystallization promoter. On the basis thereof, in order to provide an ... | 06/29/2004 |
| 6645893 | Glass suitable for optical functional elements and process for producing same A glass includes (a) a matrix containing a compound of at least one nonmetallic element; and (b) a particle selectively formed in the matrix. This particle is made of the at least one nonmetallic element. A process for producing such glass includes (a) pr... | 11/11/2003 |
| 6606885 | Infrared, glass polarizer and method A glass polarizer and a method of making the polarizer, the polarizer being produced from an R2 O--Al2 O3 --B2 O3 --SiO2 glass containing limited amounts of ZrO2 and TiO2, ... | 08/19/2003 |
| 6588232 | Treatment device, laser annealing device, manufacturing apparatus, and manufacturing apparatus for flat display device A film forming device in a substrate manufacturing apparatus a stage section on which a cassette storing a plurality of glass substrates is mounted. A treatment section for subjecting the substrate to a predetermined treatment is arranged to oppose the st... | 07/08/2003 |
| 6536236 | Method of making a polarizing glass A method of producing a polarizing glass article that exhibits a broad band of high contrast polarizing properties in the infrared region of the radiation spectrum. The polarizing glass is phase-separated or exhibits photochromic properties based on silve... | 03/25/2003 |
| 6298691 | Method of making glass having polarizing and non-polarizing regions Method is disclosed for making glass having both polarizing and non-polarizing regions integral thereto by either ion-exchange or by exposure to light and heat. The polarizing regions of the resulting glass is effective in polarizing light radiation, that... | 10/09/2001 |
| 6221480 | Broadband contrast polarizing glass A polarizing glass article, and a method of making the article, that exhibits a broad band of high contrast polarizing properties in the infrared region of the radiation spectrum, that is phase-separated by precipitating silver, copper, or copper-cadmium ... | 04/24/2001 |
| 6167727 | Process for the production of polarizing glass A process for producing a polarizing glass containing shape-anisotropic metallic particles dispersed in an oriented state therein, which comprises drawing a glass preform containing metallic halide particles dispersed therein while its viscosity being hel... | 01/02/2001 |
| 6058738 | Method of forming glass having integral polarizing and non-polarizing regions Method of making polarizing glass having integral polarizing and non-polarizing regions is disclosed. The method involves applying a protective glass/frit material capable of blocking reducing gas to the surface of the glass to form a desired pattern, exp... | 05/09/2000 |
| 5840095 | Method and apparatus for producing flat metal powder directly from melt The yield of flat powder (6) of Al, Mg or their alloy is enhanced by forming, on a rotary cooling body (4), a film (8) which can prevent the flat metal powder (8) from sticking to the cooling surface. The film (8) adheres to the cooling surface at a force... | 11/24/1998 |
| 5788731 | Process for manufacturing a crystallized glass substrate for magnetic discs A process for producing a crystallized glass substrate for magnetic disks, including the steps of: (a) holding an amorphous glass plate having a uniform thickness and two principal flat surfaces thereof between a pair of pressing setters in a sandwiched f... | 08/04/1998 |
| 5728189 | Method of altering the visible absorption characteristics of permanently tinted photochromic glasses A photochromic glass having colorant incorporated in the glass composition to impart a permanent tint, and having its chromaticity point shifted from the blue-green side toward the red side of the white point in the CIE chromaticity coordinate system, and... | 03/17/1998 |
| 5625427 | Ophthalmic lens An ophthalmic lens of photochromic glass having an R2 O-Al2 O3 -B2 O3 -SiO2 base glass composition and a method of producing the lens. The lens contains precipitated cuprous halide crystals ... | 04/29/1997 |
| 5540745 | Glasses for laser protection Cuprous halide- or a cuprous-cadmium halide-containing glass articles are produced which are essentially completely opaque to ultraviolet radiation and can De essentially completely opaque to radiation within the region of wavelengths of up to 550 nm, but... | 07/30/1996 |
| 5430573 | UV-absorbing, polarizing glass article A UV-absorbing, polarizing glass article and method of making, the glass having an R2 O-B2 O3 -SiO2 base glass composition, a sharp spectral cut-off at about 400 nm, a precipitated crystal phase consisting of a ... | 07/04/1995 |
| 5045510 | Process for preparing a surface darkened glass A process for preparing a surface-darkened glass is disclosed. In the first step of this process, a specified silicate glass which contains a minor amount of antimony trioxide is provided. Thereafter, this glass is heated to a temperature of from about 35... | 09/03/1991 |
| 4979976 | Making colored photochromic glasses This invention is directed to a method for making tinted photochromic glass articles having an integral reduced surface layer exhibiting color, the glass utilizing silver halide crystals as the photochromic agent. The method generally comprises heat treat... | 12/25/1990 |
| 4979975 | Fast response photosensitive opal glasses Photosensitively opacifiable glasses requiring very short exposures to ultraviolet radiation to effect the development of opacity are processed by heating to nucleate Ag followed by cooling to nucleate NaF on the Ag followed by heating to grow the NaF. Th... | 12/25/1990 |
| 4944784 | Process for preparing a borosilicate glass A process for preparing a surface-darkened glass is disclosed. In the first step of the process, a specified alkali alumino-borosilicate glass which contains a minor amount of antimony trioxide is provided. Thereafter, this glass is heated to a temperatur... | 07/31/1990 |
| 4908054 | Method for making infrared polarizing glasses This invention is directed to the preparation of glass articles exhibiting a relatively broad band of high contrast polarizing properties in the infrared region of the radiation spectrum from glasses containing silver halide particles selected from the gr... | 03/13/1990 |
| 4871695 | Process for the production of glass A process for the production of a glass by the vacuum melting method using silica as a raw material is disclosed, comprising filing a silica fine powder in a suitable vessel, heating it in the presence of an accelerator for phase conversion to obtain a po... | 10/03/1989 |
| 4840655 | Method for making colored photochromic glasses An optically activated bleaching process effective to permanently modify the color of surface-colored silver halide-containing photochromic glasses produced by thermal reduction treatments is described, wherein the glass is coincidentally exposed, for an ... | 06/20/1989 |
| 4832724 | Method of making colored photochromic glasses A method for modifying surface coloration in silver halide-containing photochromic glasses developed by thermal reduction treatments is described, which method comprises subjecting the glass, prior to the coloring thermal reduction treatment, to a silver ... | 05/23/1989 |
| 4498919 | Method for making colored photochromic prescription ophthalmic lenses Colored photochromic ophthalmic lenses are produced by combining a photochromic cap element having an integrally colored back surface with an ophthalmic crown base element having a prescription-ground back surface, the cap back and base element front surf... | 02/12/1985 |
| 4349634 | Method of preparing photochromic glass A process for producing a photochromic glass which will exhibit a brown coloration in its darkened state without a degradation in the photochromic properties of the glass taking place. The process includes the steps of forming a batch of specified compone... | 09/14/1982 |
| 4304584 | Method for making polarizing glasses by extrusion The instant invention is directed to the production of highly polarizing glasses, i.e., the glasses exhibit dichroic ratios up to 40 and higher, from silver-containing glasses that are characterized as being phase separable or, more preferably, as being p... | 12/08/1981 |
| 4299610 | Method and apparatus for manufacturing crystalline blast furnace slag A method and an apparatus for manufacturing a crystalline blast furnace slag, which comprises: endlessly connecting at prescribed intervals a plurality of rectangular metal cooling bodies each with a hollow for cooling water, to form a plurality of coolin... | 11/10/1981 |
| 4295872 | Producing a multi-color image in polychromatic glass There is disclosed a method of producing an image of an original multi-color subject in polychromatic glass by employing as a masking means, during initial exposure of the glass, high contrast film positives embodying the subject in the form of half tone ... | 10/20/1981 |
| 4284686 | Spectacle lenses to reduce discomfort from aphakia and certain eye diseases This invention is concerned with producing glasses suitable for use as spectacle lenses for aphakics or for persons subject to photoretinitis or retinitis pigmentosa. The glasses exhibit near-zero transmittance of radiations having wavelengths shorter tha... | 08/18/1981 |
| 4240836 | Colored photochromic glasses and method Surface-colored photochromic glass articles produced by reduction heat treatments at 450° C. and below which exhibit induced absorption peaks at longer wavelengths than prior art glasses, and surface colors such as orange, red, purple and blue, are descr... | 12/23/1980 |
| 4222760 | Preparation of oxynitride glass-ceramics The instant invention is directed to the production of glass-ceramic articles from thermally crystallizable glass compositions containing, by weight, about 40-85% SiO2 and 2.5-17% N as basic constituents and utilizing such modifiers as the alka... | 09/16/1980 |
| 4181515 | Method of making dielectric optical waveguides An opto-electronic element consists of a dielectric optical waveguide having a single crystal core of meta-nitroaniline. The element is made by feeding molten meta-nitroaniline into a hollow fibre along which a temperature gradient exists. Nucleation sets... | 01/01/1980 |
| 4155735 | Electromigration method for making stained glass photomasks Glass photomasks having a stained pattern within the glass for use in photolithographic processes are made by exposing and developing a photoresist on a sheet of glass and subsequently migrating stain-producing ions, such as silver and/or copper, into the... | 05/22/1979 |
| 4146379 | Process for densifying polycrystalline articles A polycrystalline article is densified to provide either a nonporous body or a body with controlled interconnected porosity. A mixture of fine powders of the polycrystalline material and a sintering aid is compacted and outgassed under reduced pressure. T... | 03/27/1979 |
