Class 65/30.12 - To hydrate the glass

Subclass of Class 65 - Glass manufacturing
Definition: Processes which comprise the incorporation of water in the
No. of patents: 23
Last issue date: 01/02/2007

Number	Title	Issue Date
7155934	Method for the production of borosilicate glass with a surface suitable for modification glass obtained according to said method and the use thereof The method of making borosilicate glass with a surface having reactive SiOH groups on it includes preparing a borosilicate glass melt and dissolving at least 30 mMol per liter of water in the borosilicate glass melt. The borosilicate glass contains from 70 to 87 per...	01/02/2007
7144834	Optical colored glass, its use, and an optical long-pass cutoff filter The invention concerns an optical colored glass with a composition (in percent by weight based on oxide) of SiO2 30–75; K2O 5–35; B2O3>4–17; ZnO 5–37; F 0.01–10; CdO 0.1–1, S+Se+Te 0.1–1.5	12/05/2006
6993934	Dental glass powders Dental glass powders, methods for producing the powders and dental compositions including the glass powders. The powders preferably have a well-controlled particle size, narrow size distribution and a spherical morphology. The method includes forming the particles b...	02/07/2006
6898365	Articles useful as optical waveguides and method for manufacturing same A method for manufacturing an article capable of constraining a propagating wave is disclosed. The method includes contacting a crystalline substrate with a source of deuterium ions to create a region in the crystalline substrate having a crystal structure that incl...	05/24/2005
6339033	Silica glass having superior durability against excimer laser beams and method for manufacturing the same A silica glass is provided for use in an optical system processing an excimer laser beam. The silica glass has a molecular hydrogen concentration of about 5×1018 molecules/cm3 or less and is substantially free from defects which bec...	01/15/2002
5607493	Method of making non-photochromic optical filter glasses This invention is directed to the production of a silver halide-containing glass article essentially free from silver halide crystals exhibiting a bright yellow coloration which strongly attenuates the transmission of ultraviolet radiation and radiation h...	03/04/1997
5267343	Enhanced radiation resistant fiber optics A process for producing an optical fiber having enhanced radiation resitance is provided, the process including maintaining an optical fiber within a hydrogen-containing atmosphere for sufficient time to yield a hydrogen-permeated optical fiber having an ...	11/30/1993
5078771	Method of making high energy beam sensitive glasses The invention relates to high energy beam-sensitive glass articles exhibiting insensitivity and/or inertness to actinic radiation, glass articles which are darkened and/or colored within a thin surface layer of about 0.1-3 μm upon exposure to a high ener...	01/07/1992
4816049	Process of surface treating laser glass A process of surface-treating a laser glass is disclosed which comprises coating a specific sol solution obtained by hydrolysis and partial polycondensation of a mixture containing a metal alcoholate on the glass surface and heating the coated glass to fo...	03/28/1989
4769058	Method of making a smooth silica glass body Silica glass having a substantially smooth, planar surface is formed by floating sintered silica glass on a molten metallic bath. The molten metallic bath is maintained at a sufficiently high temperature to heat-polish the sintered silica glass surface wh...	09/06/1988
4693739	Method for producing glass bubbles A method for producing glass bubbles, which comprises heating a glass powder containing a gas-blowing agent in an atmosphere containing steam having a partial steam pressure of at least 0.2 atmosphere to foam it....	09/15/1987
4664690	Method for producing glass preform for optical fiber A method for producing a glass preform for an optical fiber comprising flame hydrolyzing a glass raw material in an oxyhydrogen flame to form glass fine particles, depositing the glass fine particles on a seed member to produce a solid or hollow cylindric...	05/12/1987
4620863	Radiation coloration resistant glass A radiation coloration resistant glass is disclosed which is used in a radiation environment sufficient to cause coloration in most forms of glass. The coloration resistant glass includes higher proportions by weight of water and has been found to be extr...	11/04/1986
4201561	Method for hydrating silicate glasses The present invention is concerned with a single-step process for hydrating alkali metal-containing silicate glasses starting with such fine-dimensioned forms as powders, granules, flakes, fibers, and thin sheets. The process, which contemplates hydration...	05/06/1980
4142878	Molding hydrosilicate materials The present invention is founded upon the fundamental discovery that anhydrous silicate materials can be formed into solid bodies which are hydrated or wherein the silicate structure is depolymerized by protonic reagents other than water. Such bodies can ...	03/06/1979
4133665	Hydration of silicate glasses in alcohol-water solutions The present invention is concerned with the production of sodium and/or potassium hydrosilicate glass bodies. The basis of the invention resides in the hydration of anhydrous sodium and/or potassium silicate glass bodies in aqueous alcohol solutions to im...	01/09/1979
4105427	Process for dewatering porous glass A process for removing hydroxyl groups from porous 96% silica glass to provide dewatered porous or consolidated glass, which method comprises the step of contacting the porous glass with water vapor prior to heating in a dry environment, is described....	08/08/1978
4098596	Method for preparing optical articles from hydrated glasses A glass article having an optical quality surface smoothness can be formed by molding a "silanol" glass material against a die having a molding surface which is a mirror of that required for the glass article, thereby obviating glass grinding and polishin...	07/04/1978
4080187	Formation of foamed silicate articles The instant invention is directed to the production of foamed alkali metal silicate articles of low density, good chemical durability, and low thermal conductivity which can readily be made in essentially unlimited sizes and configurations. The process of...	03/21/1978
4059425	Gaseous process for hydrating and extruding glass The present invention relates to a process and apparatus useful therein for steam hydrating alkali silicate glass materials and subsequently extruding the hydrated material. There need be no moving parts in the hydration apparatus since the process can ut...	11/22/1977
4046545	Method for making molded glass articles having bulk homogeneity and optical quality surface An optical glass article having a desired surface figure and demonstrating maximum theoretical light transmission can be prepared by forming a base anhydrous glass of defined compositional ranges, hydrating the glass, partially dehydrating the glass at a ...	09/06/1977
4026692	Press molding optical articles from acid hydrated glasses A glass article having relatively high degrees of surface smoothness, durability, and light transmissivity can be made by forming a glass comprising, in mole percent on an oxide basis, 70-80% SiO2, 8-18% Na2 O and/or K2 O,...	05/31/1977
3948629	Hydration of silicate glasses in aqueous solutions The present invention relates to a method for hydrating fine-dimensioned alkali metal-containing silicate glass bodies so as to impart the property of thermoplasticity thereto. More particularly, this invention contemplates contacting fine-dimensioned alk...	04/06/1976

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Class 65/30.12 - To hydrate the glass