Class 65/472 - With chemical etching or leaching

Subclass of Class 65 - Glass manufacturing
Definition: Processes wherein a chemical reagent is used to remove a
No. of patents: 24
Last issue date: 01/09/2007

Number	Title	Issue Date
7160824	Glass compositions Disclosed are glass compositions and glass fibers formed from certain embodiments of the disclosed glass compositions. Certain embodiments of the glass compositions include, among other components, bismuth oxide. Certain embodiments of the glass composition include ...	01/09/2007
7144633	Glass compositions Disclosed are glass compositions, glass fiber compositions, glass fiber battery separators, glass fiber filter media, battery additives and active materials formed with glass compositions disclosed, glass fiber radiation shields, and glass fiber paper compositions. ...	12/05/2006
7132054	Method to fabricate hollow microneedle arrays An inexpensive and rapid method for fabricating arrays of hollow microneedles uses a photoetchable glass. Furthermore, the glass hollow microneedle array can be used to form a negative mold for replicating microneedles in biocompatible polymers or metals. These micr...	11/07/2006
6996315	Process for producing a leached fiber bundle, and improved leached fiber bundle A leached fiber bundle with the light outlet points positioned as accurately as possible is provided, in which the end faces are not completely fused together, but rather are only fused together at their contact surfaces. The interstices formed are permanently fille...	02/07/2006
6471868	Method of preparing glass fiber filter A method for preparing a plasma or serum sample from a whole blood sample, by contacting a glass fiber filter which contains calcium, sodium or potassium components with an aqueous solution of an organic acid or a mineral acid to elute the calcium, sodium...	10/29/2002
6471880	Process for chemical roughening of glass comprising rinsing with salt solution and article obtained thereby Provided is a process for etching glass objects by chemical treatment. The process includes (a) at least one stage of chemical treatment of the object, and (b) at least one stage of rinsing the objects etched by the treatment of step (a) with an aqueous s...	10/29/2002
6461470	Apparatus for etching glass substrate An apparatus for etching a glass substrate 30 includes a first bath 13 containing an etchant, at least one porous panel having a plurality of jet holes 16 in the first bath, the porous panel containing the etchant to jet the etchant against the glass subs...	10/08/2002
5879425	Method for fabrication of microchannel multiplier plates A rod of etchable core glass material is inserted within a lead glass sleeve and heated in a furnace to drawing temperature and drawn from the furnace into a fiber. The lower end of the glass sleeve is collapsed around the core glass, thereby sealing the ...	03/09/1999
5785729	Method for manufacturing large-sized quartz glass tube A method for fabricating a large-sized primary treated quartz glass tube by perforating a cylindrical quartz glass mother material by a hot carbon drill press-in-process followed by etching and washing. The large-sized primary treated quartz glass tube is...	07/28/1998
5176728	Method of making a mirror having extremely small aperture holes at other than normal angles to the surfaces of the mirror A process for manufacturing mirrors comprising notching the backside of a plate and etching it from one or both sides. The front side is plated and polished to a flat mirror-like-like surface. The plate is made from glass rods that have been fused togethe...	01/05/1993
5034354	Alkali-free multichannel plate and glass There is disclosed a family of alkali-free, lead silicate glasses having properties that make them particularly suitable for use in producing perforated plates for such applications as multichannel plates. In addition to lead oxide and silica, the glasses...	07/23/1991
4966613	Method of producing effective porous glass shapes Porous glass shapes with effective pores are produced by a method which also reduces the frequency of breakage of the glass shapes. The method includes: producing a plurality of the glass shapes, depositing a fluid chemical treatment with one or more carb...	10/30/1990
4853001	Porous inorganic siliceous-containing gas enriching material and process of manufacture and use A hollow, porous, silica-rich fiber and a process for separating at least one gas from a gaseous mixture utilizing the hollow, porous, silica-rich fiber result in gas separations with good permeability and good selectivity. The hollow, porous, silica-rich...	08/01/1989
4842620	Process of gas enrichment with porous siliceous-containing material A hollow, porous, silica-rich fiber, a process for producing same, and a process for enriching at least one gas from a gaseous mixture utilizing at least one fiber to result in gas separations with good permeability and good selectivity. The fiber is non-...	06/27/1989
4798615	Process for making a filter for molten metal having a high melting point A filter for molten metal having a high melting point is in the form of a net woven of glass yarns formed by twisting a multiplicity of glass fibers together. The glass fibers contain at least 75 wt. % of SiO2 and are thermally cured at a therm...	01/17/1989
4719318	Insulated conductors and method of making same Mineral insulated conduits are produced by insulating one or several electrical conductors, preferably metallic conductors, with silica staple fibers and sheathing the entire conductor with a metallic jacket. The silica staple fibers are produced by treat...	01/12/1988
4521236	Method for preparation of porous glass film There is provided a method for preparation of porous glass films, preferably in the form of a hollow filament, comprising heating glass films, formed from sodium borosilicate glass having a composition which can be phase-separated by heat-treatment into a...	06/04/1985
4497675	Process for the manufacture of substrates from carbon-coated silicon dioxide fabric that can be used for large-surface silicon bodies The invention concerns a process for the manufacture of substrates from carbon-coated SiO2 fabric that can be used for large-surface silicon bodies, in which mineral materials or waste containing SiO2 are used as starting materials a...	02/05/1985
4332601	Method for making silica fibers Process for the production of water containing water glass fibers of the type in which alkali water glass is dry spun into water containing fibers, the improvement being dry-spinning water glass free from non-alkaline compounds having a molar ratio of alk...	06/01/1982
4332600	Method for making silica fibers Process for the production of silica fibers of the type in which alkali water glass is dry spun into water-containing alkali silicate fibers which are then contacted with solutions containing hydrogen ions for transforming into silica fibers, the improvem...	06/01/1982
4273826	Process of making glass articles having antireflective coatings and product Disclosed is a process of making a glass article containing a thin surface film antireflective coating made by providing a dispersion containing at least one metalloorganic compound in solution, depositing a thin coating of such dispersion on the glass su...	06/16/1981
4110096	Method of precipitation of a dopant in a porous silicate glass The present invention relates to a new glass material applicable in those situations where thermal and/or mechanical shock would limit the use of other glass materials, presently available. Dopants are deposited into the interconnected pores of a porous g...	08/29/1978
4084977	Glass and refractory fibre materials and method for making same A glass fibre product consists of less than 80% by weight SiO2 from 20 to 25% by weight of TiO2 and not more than about 0.1% by weight of alkali metal oxide, and is made by leaching with acid a glass fibre composition consisting of f...	04/18/1978
3979637	Microchannel plates and method of making same Microchannel electron-multiplying plates formed of large numbers of glass-clad glass fibers all bundled tightly together in side-by-side relationship with each other and having their core sections removed for producing electron multiplying channels throug...	09/07/1976

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Class 65/472 - With chemical etching or leaching