| Patents for C03B 37 - Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags (16,026) |
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| 10/30/1991 | CN1014533B Glass corrosion resistant cobalt-based alloy having high strength |
| 10/30/1991 | CN1014513B Method of manufacturing optical fiber substrate material |
| 10/22/1991 | US5059231 Internal coating of a glass tube by plasma pulse-induced chemical vapor deposition |
| 10/22/1991 | US5059230 Fabrication of doped filament optical fibers |
| 10/22/1991 | US5059229 Gas flow during drawing from furnace; reduction of reactive defect sites |
| 10/22/1991 | US5058976 System comprising Er-doped optical fiber |
| 10/22/1991 | CA1290942C Method for producing glass preform for optical fiber |
| 10/16/1991 | EP0451652A2 Process for producing mineral fibers having minimized locally thickened portions |
| 10/16/1991 | EP0451293A1 Production method for optical fiber base material |
| 10/15/1991 | US5056888 Single-mode, single-polarization optical fiber |
| 10/15/1991 | US5056195 Mineral fiber collection process and device |
| 10/09/1991 | EP0450645A1 An infrared optical fiber and a method of manufacturing the same |
| 10/09/1991 | EP0450465A1 Process of making preforms for the production of optical fibres by drawing |
| 10/09/1991 | EP0450323A1 Method of producing an inorganic mixed-fibre product without binding means |
| 10/09/1991 | EP0450124A1 Furnace for producing high purity quartz glass preform |
| 10/09/1991 | EP0450016A1 Method for preparing vaporized reactants for chemical vapor deposition. |
| 10/09/1991 | CN1014232B Method and apparatus for heat-treatment |
| 10/08/1991 | US5055121 Depositing soot of quartz glass, heating, dehydration, vitrification |
| 10/08/1991 | US5055120 Vertical spinning |
| 10/08/1991 | US5055119 Method and apparatus for forming migration free glass fiber packages |
| 10/08/1991 | CA1290149C Heat treating apparatus and method of operating heat treating apparatus |
| 10/03/1991 | CA2013731A1 Furnace for heating highly pure quartz preform for optical fiber |
| 10/03/1991 | CA2013730A1 Furnace for producing high purity quartz glass preform |
| 10/01/1991 | US5053068 reacting silicon tetrafluoride and silica glass under pressure |
| 10/01/1991 | CA1289747C Optical fiber manufacturing technique |
| 10/01/1991 | CA1289746C Method of fabrication of optical fibres with non- circular core crosssection |
| 09/29/1991 | WO1991014658A1 Method and apparatus for the manufacturing of a mineral fibre felt |
| 09/29/1991 | CA2078989A1 Method and apparatus for the manufacturing of a mineral fibre felt |
| 09/26/1991 | DE4009485A1 Swivelling optical fibre drawing appts. - allowing vertical start=up and horizontal drawing phases |
| 09/26/1991 | DE4009484A1 Horizontal optical fibre drawing appts. - with drawing tube or rod welded to preform |
| 09/25/1991 | EP0448155A1 Method for the production of glass bodies |
| 09/25/1991 | CN1014047B Method of and apparatus for overcladding an optical preform rod |
| 09/24/1991 | US5051235 Novel palladium-based alloys containing indium bismuth, silver and copper |
| 09/24/1991 | US5051123 Arrangement for cleaning surfaces of a wool chamber in the manufacture of mineral wool |
| 09/24/1991 | US5051122 Method and apparatus for manufacturing continuous fiber glass strand reinforcing mat |
| 09/24/1991 | US5051121 Segmented bushing temperature controller and method for using same |
| 09/24/1991 | CA1289646C Bushing balance controller |
| 09/19/1991 | WO1991013836A1 Open bottomed spinner for mineral fibers |
| 09/19/1991 | DE4008109A1 High purity glass article mfr. |
| 09/19/1991 | DE4008108A1 High purity glass article mfr. |
| 09/18/1991 | EP0446999A1 Method and device for the production of glass bodies |
| 09/17/1991 | US5049338 Hydrolysis of silicon alkoxide; coagulation |
| 09/17/1991 | US5049176 Fiber assembly |
| 09/17/1991 | US5049175 Method of manufacturing a glass body having a non-uniform refractive index |
| 09/17/1991 | US5048923 Image fiber, image fiber preform, and manufacturing processes thereof |
| 09/12/1991 | DE4006839A1 Sealing equipment for heated cylinder - esp. glass fibre preform tube in furnace to prevent reactive gas entry |
| 09/10/1991 | US5047076 Impergnation, anhydrous solvent |
| 09/10/1991 | US5046392 Cutter for preparing an insulation batt for installation |
| 09/05/1991 | WO1991012881A1 Process for treating a powder and device therefor |
| 09/04/1991 | EP0445090A1 A flash removal device in a plant of production of mineral wool |
| 09/04/1991 | EP0444066A1 An apparatus for cutting a mineral wool web |
| 09/03/1991 | US5044724 Method of producing optical fiber, and fiber produced by the method |
| 08/29/1991 | DE4005729A1 Optical waveguide mfr. - by using glass tubes over rod blank with evacuation of hollow spaces between them |
| 08/28/1991 | EP0443781A1 Method for doping optical fibers |
| 08/28/1991 | EP0443135A1 Apparatus for fabricating an optical waveguide preform |
| 08/28/1991 | EP0443112A1 Optical waveguide fiber with titania-silica outer cladding and method of manufacturing |
| 08/27/1991 | US5043002 Oxidation, flame hydrolysis; halogen-free; by-product inhibitor |
| 08/27/1991 | US5043001 Method and apparatus for fiber cooling |
| 08/22/1991 | DE4005328A1 Verfahren zur konditionierung eines pulvers und vorrichtung dafuer Method for conditioning a powder and apparatus therefor |
| 08/14/1991 | EP0441696A1 Methods for making high precision capillary tubes and connectors and apparatus for coupling optical fibres |
| 08/13/1991 | US5039325 Fluorine-dopes silica cladding for optical fiber |
| 08/13/1991 | CA1287494C Optical fiber and method for producing the same |
| 08/07/1991 | EP0440130A1 Process for producing preforms for optical fibres with regular characteristics |
| 08/07/1991 | EP0439918A1 Method for manufacturing an article comprising a refractory dielectric body |
| 08/06/1991 | WO1991011401A1 Quartz glass doped with rare earth element and production thereof |
| 08/06/1991 | US5037181 Claddings for single crystal optical fibers and devices and methods and apparatus for making such claddings |
| 08/06/1991 | CA2035621A1 High precision process for making capillary tubes, fitting ends and connector for fiber optic cables |
| 07/31/1991 | EP0439385A1 Process and apparatus for fiberising of mineral wool by means of free centrifugation |
| 07/31/1991 | EP0438876A1 Fabrication of doped optical fibers |
| 07/30/1991 | US5035848 Filament separation in liquids |
| 07/25/1991 | WO1991010626A1 Spinning apparatus and method |
| 07/25/1991 | DE4001975A1 Light waveguide mfr. - uses flat and layered flow of reactants to give even depositation on inner surface of the glass tube |
| 07/25/1991 | DE4001462A1 Optic fibre preform - is made from quartz tube in moving graphite furnace with optical control and min. gas flow for MCVD cladding |
| 07/23/1991 | US5033815 Optical transmission fiber and process for producing the same |
| 07/18/1991 | DE4000885A1 Sub-microscopic particles made of at least core material and coating - are produced by feeding core particles in carrier gas to coating zone |
| 07/17/1991 | EP0312572B1 Melt extraction of ceramics |
| 07/17/1991 | CA2034187A1 Process and devise for fiberizing mineral wool by free centrifugation |
| 07/16/1991 | US5032193 Method of making synthetically engineered materials |
| 07/16/1991 | US5032079 Furnace for producing high purity quartz glass preform |
| 07/10/1991 | EP0436299A2 Method for making optical fibers comprising fluorine-doped glass |
| 07/10/1991 | CN1052837A Process for manufacturing mineral cotton directly from melten slag |
| 07/10/1991 | CN1013107B Spray gun for manufacturing preformed optical fibre material |
| 07/09/1991 | US5030266 Apparatus for adjusting the configuration of optical substrates |
| 07/03/1991 | EP0434966A1 Method for delivering a reactant to a glass soot deposition system. |
| 07/02/1991 | US5028246 Methods of making optical waveguides |
| 06/26/1991 | EP0434237A2 Method of producing optical fiber, and fiber produced by the method |
| 06/26/1991 | EP0433643A1 Method for producing rare earth element-doped glass by sol-gel process |
| 06/25/1991 | US5026409 Preparation of fluoride glass optical preforms and fibers |
| 06/20/1991 | DE3941865A1 Effective impurity removal from optical fibre preform - by diffusion into layer removed before tube collapsing |
| 06/20/1991 | DE3941864A1 Impurity removal in optical fibre preform prodn. - by impurity diffusion into layers removed before collapsing |
| 06/20/1991 | DE3941863A1 Light wave conductors mfr. for optical fibres - by coating internal surface of tube with diffusion layer to remove impurities prior to coating when glass core layer and drawing |
| 06/20/1991 | DE3941229A1 Hot gas drying of slip cast body in mould - e.g. to obtain green body for mfg. optical fibres |
| 06/19/1991 | EP0432791A1 Method for heating glass body |
| 06/19/1991 | EP0432193A1 A method and an apparatus for producing mineral wool |
| 06/18/1991 | CA1284921C Method, apparatus and burner for fabricating an optical fiber preform |
| 06/16/1991 | CA2032173A1 Method for heating glass body |
| 06/12/1991 | EP0432041A1 Process of manufacturing discontinuous glass fibres and products therefrom |
| 06/12/1991 | CN1012813B Method of soot overcoating optical preform |
| 06/11/1991 | US5022904 Heating glass soot preform in atmosphere comprising fluorine containing compound, changing partial pressure |
| 06/11/1991 | US5022734 Method of modifying an optical waveguide and waveguide so modified |