Class 205/769 - Glass, silica, quartz, or optical material (e.g., contact lenses, etc.)

Subclass of Class 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
Definition: Subject matter in which the solid material is glass, silica,
No. of patents: 31
Last issue date: 02/05/2008

Number	Title	Issue Date
7326330	Method and apparatus for scale and biofilm control Method and apparatus for electrolytically controlling the formation of scale and biofilm in water purification and other systems. An anode is deposited on or disposed on or adjacent to a surface, such as that of a quartz UV tube, providing a low pH environment which...	02/05/2008
7223809	Polyacetals with improved resistance to bleach A molding composition exhibiting bleach resistance includes a polyoxymethylene matrix polymer, from about 0.5 to about 10 weight percent of a bleach stabilizer selected from alkali metal or alkaline earth element carbonates or phosphates and mixtures thereof dispers...	05/29/2007
7197897	Chemical strengthening process for disks used in disk drive data storage devices A salt mixture used for chemical strengthening of data recording disks is subjected to sub-micron filtration prior to use to remove certain impurities. Preferably, glass disks are chemically strengthened by ion exchange in a bath of molten sodium nitrate and potassi...	04/03/2007
7135521	Tinted, high Dk ophthalmic molding and a method for making same The invention relates to ophthalmic molding formulations and to tinted, high Dk ophthalmic moldings. This invention also relates to a method for making a tinted ophthalmic molding. The method comprises: (a) providing a polymer precursor having cross-linkable or poly...	11/14/2006
6811660	Apparatus for purifying water containing dissolved organic matters and trace harmful substances Various kinds of wastewater and water such as methane fermentation digestion liquids, domestic wastewater, sewage, service water, culture pond water, wastewater defined by an active sludge law and wastewater from food industries are decomposed, cleaned and treated w...	11/02/2004
6576116	Hybrid joule heating/electro-osmosis process for extracting contaminants from soil layers Joule (ohmic) heating and electro-osmosis are combined in a hybrid process for removal of both water-soluble contaminants and non-aqueous phase liquids from contaminated, low-permeability soil formations that are saturated. Central to this hybrid process ...	06/10/2003
6077417	Silicon microlens cleaning system A method and system for cleaning the silicon microlenses in an electron-beam microcolumn in situ. The microlenses individually are heated by passing a current through each microlens. The current is utilized to heat the microlens to at least two hundred de...	06/20/2000
6056868	Rare earth doping of porous silicon The present invention discloses the doping of rare earth elements into porous silicon, resulting in enhancement of luminescence. The doping is an electro-chemical process using constant voltage bias across the two electrodes in which the anode is porous s...	05/02/2000
5964913	Method of making a vitreous material The invention relates to a single phase vitreous material and to its production from a melt of a glass-forming multi-component feed mix. The process includes the preparation of a single phase melt in which there are mobile cations from a glass forming fee...	10/12/1999
5900135	Method of producing components on a metal film basis A method of producing components, which include a metal film on a carrier, comprises the following steps: applying a metal film to a first carrier; structuring the metal film; reducing an adherence between the first carrier and the metal film by electrica...	05/04/1999
5859397	Process for the production of a photovoltaic element A process for producing a photovoltaic element, said process comprising the steps of: providing a photovoltaic element comprising a lower electrode layer comprising a metallic layer comprising aluminum or an aluminum compound and a transparent and electri...	01/12/1999
5672259	System with electrolytic cell and method for producing heat and reducing radioactivity of a radioactive material by electrolysis An electrolytic cell, system and method for producing excess heat for use and for deactivation an actinide series metal by electrolysis in an aqueous media. The electrolytic cell includes a non-conductive housing having an inlet and an outlet and spaced a...	09/30/1997
5641392	Electrodrift purification of materials for room temperature radiation detectors A method of purifying nonmetallic, crystalline semiconducting materials useful for room temperature radiation detecting devices by applying an electric field across the material. The present invention discloses a simple technology for producing purified i...	06/24/1997
5451303	Cleaning hydrophilic contact lenses by electrochemical means A composition and method for cleaning and disinfecting of contact lenses that employ an electrical field applied to a lens that causes contaminating deposits to migrate therefrom is described. The composition of the invention includes a pair of component ...	09/19/1995
5449442	Cleaning and disinfecting method for contact lens A cleaning and disinfecting method for a contact lens comprising immersing a contact lens in a treating solution containing a hypohalogenous acid and applying a direct current to the treating solution with repeatedly reversing a positive electrode and a n...	09/12/1995
5368708	Lens decontamination system A system by which contaminants from and below the surface of contact lenses may be electrokinetically removed. The system includes a protective encasement packet in which a lens is safely protected upon its removal from the eye, through the cleaning proce...	11/29/1994
5302345	Electrochemical contact lens disinfection and neutralization system A method of and apparatus for generating superoxides and other free radicals for cleaning and sterilizing contact lenses tonometers and other poorly oxidizing objects in an electrolytic solution which may optionally include an antiseptic such as hydrogen ...	04/12/1994
5269888	Method of fabricating integrated optical devices by means of field-assisted ion exchange Integrated optical devices are fabricated by field-assisted ion exchange on a starting substrate, wherein the substrate is first prepared to be connected to a source of potential difference, is duly masked as a function of the optical circuit to be implem...	12/14/1993
5252266	Control of the hardening of binders and cements The setting or hardening reaction of binders and cements of the types which are alkali-activated or acid-activated is controlled by forming a paste of the binder or cement and a salt which, under electrolysis forms the activating agent, placing the paste ...	10/12/1993
5227039	Apparatus and method for cleaning lenses An apparatus and method by which permeable contact lenses may be cleaned through electrokinetic phenomenon is disclosed. The apparatus includes an receptacle in which a lens is supportively aligned between terminals by a member or members made from a plia...	07/13/1993
5192402	Method of dealkalizing glass A method of dealkalizing a glass body that contains at least one alkali metal ion as either an impurity or an intentionally added constituent. The method involves intimately contacting the glass body with a hydrogen-ion-producing anode and an oxide recept...	03/09/1993
5135623	Methods to disinfect contact lenses A method of disinfecting a contact lens is disclosed and comprises placing the contact lens to be disinfected into a liquid electrolyte containing chlorine dioxide precursor, e.g., stabilized chlorine dioxide, and forming a disinfecting amount of chlorine...	08/04/1992
4886587	Method of producing thin film optical element by ion injection under electric field The thin film optical element comprises a substrate, a thin film light guide formed by ion injection into the surface of the substrate, an optical functional part formed in a part of the light guide for varying the refractive index thereof by an external ...	12/12/1989
4836899	Method for field-assisted ion exchange with anodic and cathodic contacting An arrangement for mounting a glass member for a field-assisted ion exchange utilizing anodic and cathodic contacting by molten salts characterized by the glass member being arranged between two salt melt vessels containing the salts, each of the vessels ...	06/06/1989
4732185	Electrophoretic cleaner and sterilizer An electrophoretic technique and apparatus for decontamination and sterilizing of contact lenses are provided. The lenses are placed in respective perforated containers and inserted in a buffer solution of suitable pH value. An electric field is establish...	03/22/1988
4466820	Electrolysis treatment for drawing ions out of a ceramic A method is provided for drawing ions out of the glassy phase of a ceramic in order to improve its high temperature strength and to reduce its dielectric loss. The ceramic is heated to a high temperature to increase the mobility of the ions within the gla...	08/21/1984
4457587	Reflector and method for manufacturing the same A reflector includes a base body made of a metallic material having substantially the same ionization potential as that of aluminum. A reflecting layer made of aluminum is formed over one surface of the base body by vacuum deposition. A light-transmitting...	07/03/1984
4383942	Apparatus and method for enhancing electrical conductivity of conductive composites and products thereof Apparatus and method for enhancing the electrical conductivity of conductive composite materials and the product of the process are disclosed. An electric current is caused to flow in the composite to drive down the resistivity to levels of 10 ohm-cm or l...	05/17/1983
4285988	Stained glass photomasks and method of making by electrodealkalization Glass photomasks having a stained pattern within the glass for use in photolithographic processes are made by dealkalizing surface zones of a glass sheet in a predetermined pattern by means of an electric field and subsequently injecting stain-producing i...	08/25/1981
4202740	Apparatus and method for disinfecting objects An apparatus for electrolytically disinfecting an object which comprises an electrolytic cell containing at least one pair of electrodes, said electrodes being positioned within said cell such that when said cell receives an electrolyte containing solution the...	05/13/1980
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

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Class 205/769 - Glass, silica, quartz, or optical material (e.g., contact lenses, etc.)